Hoca QMB139 Stroker Crankshaft
Item-Code : 169-239
Regular Price : $266.99
Season Special: $189.99
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Availability :Contact us for availability
Hoca 44mm Stroker Crankshaft Assembly for 50cc 4-stroke QMB139 engines.
Specifications:
- 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