Universal Parts Crankshaft Assembly for 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines.
- Stroke: 57.8mm
- Overall Length: 285mm
- Flywheel Thread Size: M12x1.25
- Flywheel Thread Length: 14mm
- Drive End Thread Size: M12x1.25
- Drive End Thread Length: 14mm
- Inner Diameter (piston pin hole): 15mm
- Number of Splines: 19
- Main bearings included