Quick view Details GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER MSRP: Now: $9.95 Choose Options Compare Quick view Details J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS MSRP: Now: $228.95 Add to Cart Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view Details J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS MSRP: Now: $228.95 Add to Cart Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view Details NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view Details NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare
Quick view Details NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: Now: $63.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
SALE Quick view Details NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare
Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view J.COSTA | sku: 184-8 J.COSTA VARIATOR KIT FOR GY6 150CC - 10.5g ROLLERS J.COSTA PRO VARIATOR KIT FOR PRE 2014 KYMCO AGILITY 125 AND OTHER GY6 125/150CC SCOOTERS. COMPATIBLE WITH 15" CRANKSHAFT AND 152QMI, 157QMJ, AND KL25F ENGINES. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS... MSRP: Now: $228.95 Add to Cart Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected × OK
Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected
SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view NCY | sku: 1200-1270-P NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $97.50 Was: $97.50 Now: $83.65 Add to Cart Compare
SALE Quick view NCY | sku: 1200-1270 NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (18*46) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare
Quick view NCY | sku: 1200-1271 NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: Now: $63.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare 1 2 3 Next 1 2 3 Next Compare Selected
SALE Quick view NCY | sku: 1200-1269 NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $65.00 Was: $65.00 Now: $53.65 Add to Cart Compare
