50cc QMB139 Crankshaft Assembly 22 Tooth
Crankshaft Assembly, for 50cc 4-stroke QMB139 Chinese Scooter and ATV engines with 22 tooth oil pump drive gear.
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Overall Length: 247mm
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Thread Size (tapered side): M10x1.25
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Thread Size (spline side): M12x1.25
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Bearing Outer Diameter (tapered side): 42mm
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Bearing Outer Diameter (spline side): 47mm
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Number of Splines: 26
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Number of Teeth (oil pump drive gear): 22
