Quick view Details GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR MSRP: Now: $44.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $44.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MSRP: Now: $139.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $44.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MSRP: Now: $139.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR MSRP: Now: $44.95 Add to Cart Compare Quick view Details GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MSRP: Now: $139.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR MSRP: Now: $39.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MSRP: Now: $139.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MSRP: Now: $139.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit MSRP: Now: $189.95 Add to Cart Compare Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT MSRP: Now: $245.95 Add to Cart Compare Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc MSRP: Now: $224.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET MSRP: Now: $42.95 Add to Cart Compare Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT MSRP: Now: $194.95 Add to Cart Compare Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON MSRP: Now: $214.95 Out of stock Compare Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view Details NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 MSRP: Now: $124.95 Out of stock Compare Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view GY6 STORE 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90093, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc... MSRP: Now: $39.95 Add to Cart Compare Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view GY6 STORE | sku: 99309 72cc / 80cc (47mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *64mm VALVES* EGR 72cc / 80cc (47mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTOR ADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY :... MSRP: Now: $44.95 Add to Cart Compare Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view GY6 STORE | sku: 90089, 87820, 87954, 87780 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR 100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK* PEOPLE REFER TO THIS KIT AS 100cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR ADDING MORE... MSRP: Now: $39.95 Add to Cart Compare Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view SSP-G | sku: 169-57 SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN SSP-G 70cc 2-STROKE BIG BORE KIT FOR SCOOTERS WITH JOG, MINARELLI 10mm PIN MOTORS Hoca Big Bore Cylinder set for 50cc 2-stroke Minarelli engines found on many popular 2-stroke full size scooters and ATVs such as Malaguti, Yamati, United Motors... MSRP: Now: $139.95 Add to Cart Compare Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view ATHENA | sku: 135-2 Athena 47.6mm A/C Minarelli Performance Cylinder Kit ATHENA 47.6MM A/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6MM AIR COOLED HORIZONTAL MINARELLI / YAMAHA JOG BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET,... MSRP: Now: $189.95 Add to Cart Compare Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view ATHENA | sku: 135-4 ATHENA 47.6MM L/C MINARELLI PERFORMANCE CYLINDER KIT 70cc BIG BORE KIT ATHENA 47.6mm L/C MINARELLI PERFORMANCE CYLINDER KIT ATHENA 47.6mm LIQUID COOLED HORIZONTAL MINARELLI BIG BORE CYLINDER AND HEAD KIT. KIT INCLUDES CYLINDER, CYLINDER HEAD, PISTON, RING, PISTON PIN, CIR CLIPS, HEAD GASKET, BASE GASKET, EXHAUST... MSRP: Now: $245.95 Add to Cart Compare Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view POLINI | sku: 1100-1457 KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 72cc KYMCO ZX50 / HONDA DIO POLINI CONTESSA PERFORMANCE CYLINDER KIT WITH HEAD 47mm BORE / 72cc FOR 2-STROKE ENGINES POLINI HAS BECOME THE LEADER IN ITALIAN RACING CYLINDER KITS. THEIR ENTRY LEVEL CONTESSA OPTIONS ARE... MSRP: Now: $224.95 Add to Cart Compare Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view SSP-G | sku: 169-61-63 SSP-G 2V 180cc (63mm BORE) CAST FLAT TOP PISTON & RINGS SET SSP-G (63mm BORE) 180cc CAST FLAT TOP PISTON KIT FOR GY6 SCOOTERS ATV KART PISTON PIN DIAMETER: 15mmCOMPRESSION HEIGHT: 20mm MSRP: Now: $42.95 Add to Cart Compare Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view SSP-G | sku: 169-518 SSP-G 50MM QMB139 BIG BORE CYLINDER & HEAD KIT SSP-G QMB139 50mm PERFORMANCE CYLINDER & HEAD KIT INCLUDES CYLINDER, PISTON, PISTON RINGS, WRIST PIN, CIR CLIPS, COMPLETE CYLINDER HEAD WITH 64mm VALVES, EXHAUST GASKET, INTAKE GASKET, AND CAM CHAIN TENSIONER... MSRP: Now: $194.95 Add to Cart Compare Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected × OK
Quick view TAIDA TAIDA PERFORMANCE 172cc (61mm) GY6 CYLINDER SET WITH (57mm SPACING) FORGING PISTON TAIDA HIGH PERFORMANCE 172cc (61mm) CYLINDER SET FOR 57mm SPACING INCLUDES CYLINDER JUG (61mm) 57mm SPACING *B-BLOCK* GASKET SET FORGED PISTON PISTON RINGS WRIST PIN & CLIPS *NO CASE BORING REQUIRED* IF YOU HAVE ANY... MSRP: Now: $214.95 Out of stock Compare Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected
Quick view NARAKU | sku: 137-13 NARAKU CYLINDER UPGRADE KIT (72cc, IRON, 47mm BORE) FOR QMB139 NARAKU 72cc BIG BORE CYLINDER KIT FOR CHINESE SCOOTERS THIS KIT HAS A 47mm CYLINDER BORE UPGRADES TO 72cc CYLINDER BORE: 47mm CYLINDER SLEEVE OUTER DIAMETER: 53.1mm WRIST PIN DIAMETER: 13mm TOTAL PISTON HEIGHT: 34... MSRP: Now: $124.95 Out of stock Compare Previous 1 2 3 4 Next Previous 1 2 3 4 Next Compare Selected
