Overview Reviews Product Description 50cc CRANKSHAFT ASSEMBLY FOR SCOOTERS WITH 50cc 4-STROKE QMB139 MOTORS STROKE: 41.4mm OVERALL LENGTH: 247mm THREAD SIZE (TAPERED SIDE): M10X1.25 THREAD SIZE (SPLINE SIDE): M12X1.25 BEARING OUTER DIAMETER (TAPERED SIDE): 42mm BEARING OUTER DIAMETER (SPLINE SIDE): 47mm NUMBER OF SPLINES: 26 NUMBER OF TEETH (OIL PUMP DRIVE GEAR): 22 FITS SOME CHINESE SCOOTERS WITH 50CC QMB139 MOTORS Product Videos Custom Field Product Reviews Write a Review Write a Review × GY6 STORE CRANKSHAFT TYPE-2 FOR 50cc 4-STROKE QMB139 ENGINES WITH 22 TOOTH OIL PUMP GEAR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details GY6 STORE | sku: 151-250 OIL PUMP ASSEMBLY FOR 50cc 4-STROKE QMB139 ENGINES *47 TOOTH OIL PUMP* MSRP: Now: $9.95 Add to Cart Quick view Details GY6 STORE | sku: 61345 OIL PUMP SPROCKET GEAR *33 TEETH* FOR 50cc - 100cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.75 Add to Cart Quick view Details GY6 STORE | sku: 151-251 OIL PUMP SPROCKET GEAR *47 TEETH* FOR 50cc - 100cc 4-STROKE QMB139 ENGINES MSRP: Now: $4.75 Add to Cart Quick view Details GY6 STORE | sku: 62830-N 50cc CRANKSHAFT ASSEMBLY SCOOTER WITH 4-STROKE QMB139 MOTORS *16 TOOTH* MSRP: Now: $29.95 Add to Cart SALE Quick view Details GY6 STORE | sku: 1100-4046 OIL PUMP KIT COMPLETE FOR 50cc QMB139 *ENGINES THAT USE THE 47 TOOTH OIL PUMP* MSRP: $13.00 Was: $13.00 Now: $11.75 Add to Cart Quick view Details GY6 STORE | sku: 1100-1308 OIL PUMP KIT ASSEMBLY FOR 50cc QMB139 ENGINES *THAT USE THE 33 TOOTH OIL PUMP* MSRP: Now: $13.00 Add to Cart Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart × OK
Quick view Details GY6 STORE | sku: 61345 OIL PUMP SPROCKET GEAR *33 TEETH* FOR 50cc - 100cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.75 Add to Cart Quick view Details GY6 STORE | sku: 151-251 OIL PUMP SPROCKET GEAR *47 TEETH* FOR 50cc - 100cc 4-STROKE QMB139 ENGINES MSRP: Now: $4.75 Add to Cart Quick view Details GY6 STORE | sku: 62830-N 50cc CRANKSHAFT ASSEMBLY SCOOTER WITH 4-STROKE QMB139 MOTORS *16 TOOTH* MSRP: Now: $29.95 Add to Cart SALE Quick view Details GY6 STORE | sku: 1100-4046 OIL PUMP KIT COMPLETE FOR 50cc QMB139 *ENGINES THAT USE THE 47 TOOTH OIL PUMP* MSRP: $13.00 Was: $13.00 Now: $11.75 Add to Cart Quick view Details GY6 STORE | sku: 1100-1308 OIL PUMP KIT ASSEMBLY FOR 50cc QMB139 ENGINES *THAT USE THE 33 TOOTH OIL PUMP* MSRP: Now: $13.00 Add to Cart Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart
Quick view Details GY6 STORE | sku: 151-251 OIL PUMP SPROCKET GEAR *47 TEETH* FOR 50cc - 100cc 4-STROKE QMB139 ENGINES MSRP: Now: $4.75 Add to Cart Quick view Details GY6 STORE | sku: 62830-N 50cc CRANKSHAFT ASSEMBLY SCOOTER WITH 4-STROKE QMB139 MOTORS *16 TOOTH* MSRP: Now: $29.95 Add to Cart SALE Quick view Details GY6 STORE | sku: 1100-4046 OIL PUMP KIT COMPLETE FOR 50cc QMB139 *ENGINES THAT USE THE 47 TOOTH OIL PUMP* MSRP: $13.00 Was: $13.00 Now: $11.75 Add to Cart Quick view Details GY6 STORE | sku: 1100-1308 OIL PUMP KIT ASSEMBLY FOR 50cc QMB139 ENGINES *THAT USE THE 33 TOOTH OIL PUMP* MSRP: Now: $13.00 Add to Cart Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart
Quick view Details GY6 STORE | sku: 62830-N 50cc CRANKSHAFT ASSEMBLY SCOOTER WITH 4-STROKE QMB139 MOTORS *16 TOOTH* MSRP: Now: $29.95 Add to Cart SALE Quick view Details GY6 STORE | sku: 1100-4046 OIL PUMP KIT COMPLETE FOR 50cc QMB139 *ENGINES THAT USE THE 47 TOOTH OIL PUMP* MSRP: $13.00 Was: $13.00 Now: $11.75 Add to Cart Quick view Details GY6 STORE | sku: 1100-1308 OIL PUMP KIT ASSEMBLY FOR 50cc QMB139 ENGINES *THAT USE THE 33 TOOTH OIL PUMP* MSRP: Now: $13.00 Add to Cart Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart
SALE Quick view Details GY6 STORE | sku: 1100-4046 OIL PUMP KIT COMPLETE FOR 50cc QMB139 *ENGINES THAT USE THE 47 TOOTH OIL PUMP* MSRP: $13.00 Was: $13.00 Now: $11.75 Add to Cart
Quick view Details GY6 STORE | sku: 1100-1308 OIL PUMP KIT ASSEMBLY FOR 50cc QMB139 ENGINES *THAT USE THE 33 TOOTH OIL PUMP* MSRP: Now: $13.00 Add to Cart Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart
Quick view Details GY6 STORE KICKSTARTER GEAR BUSHING (LARGE) FOR 50cc 4-STROKE QMB139 ENGINES MSRP: Now: $2.25 Add to Cart Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart
Quick view Details GY6 STORE | sku: 61366 OIL PUMP ASSEMBLY FOR 50cc 80cc 100cc 4-STROKE QMB139 *FOR 33 TEETH GEAR* MSRP: Now: $2.95 Add to Cart