Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters. Type 1 (16 Teeth Gear) MYKH0289

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Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters. Type 1 (16 Teeth Gear) MYKH0289

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Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters. Type 1 (16 Teeth Gear)
MYKH0289

MYK Crankshaft Assembly for GY6/QMB139 50cc to 80cc 4 stroke engines.

- Oil pump drive gear 16 teeth. 
- Inexpensive replacement for OEM crankshaft.
- Fits 50cc/80cc 4 Stroke GY6/QMB139 Engines. 
- Stroke: 41.4mm 
- Overall Length: 246mm 
- 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