Product Details
44mm Stroker Crankshaft Assembly for 50cc 4-stroke QMB139 engines.
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
Connecting Rod Inner Diameter: 13mm Number of Teeth (oil pump drive gear): 16
SUPPORTED MODELS: QMB139 50cc/49cc
Additional information
| Weight | 5.1 lbs |
|---|---|
| Dimensions | 11 × 5 × 4 in |
| Brand |
