QMB139 Crankshaft, Type-2
Crankshaft Assembly, Type-2 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.
- Stroke: 41.4mmĀ
- Overall Length: 254mmĀ
- Thread Size (tapered side): M10x1.25Ā
- Thread Size (spline side): M12x1.25Ā
- Bearing Outer Diameter (tapered side): 42mmĀ
- Bearing Outer Diameter (spline side): 47mmĀ
- Number of Splines: 26Ā
- Number of Teeth (oil pump drive gear): 22
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QMB139 Crankshaft, Type-2
QMB139 Crankshaft, Type-2
Crankshaft Assembly, Type-2 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.
- Stroke: 41.4mmĀ
- Overall Length: 254mmĀ
- Thread Size (tapered side): M10x1.25Ā
- Thread Size (spline side): M12x1.25Ā
- Bearing Outer Diameter (tapered side): 42mmĀ
- Bearing Outer Diameter (spline side): 47mmĀ
- Number of Splines: 26Ā
- Number of Teeth (oil pump drive gear): 22
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Crankshaft Assembly, Type-2 for 50cc 4-stroke QMB139 engines. Has 22 tooth oil pump drive gear.
- Stroke: 41.4mmĀ
- Overall Length: 254mmĀ
- Thread Size (tapered side): M10x1.25Ā
- Thread Size (spline side): M12x1.25Ā
- Bearing Outer Diameter (tapered side): 42mmĀ
- Bearing Outer Diameter (spline side): 47mmĀ
- Number of Splines: 26Ā
- Number of Teeth (oil pump drive gear): 22












