Crankshaft w/ Bearings Connecting Rod GY6 50cc


7 in stock


Crankshaft Assembly, Type-1 for 50cc 4-stroke QMB139 engines. Has 16 tooth oil pump drive gear.

Piston Rod for the GY6 50, 4 stroke, 139QMB,

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): 16

Additional information

Weight 4 lbs
Dimensions 8 × 6 × 6 in


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