crankshaft Polini 57mm for Vespa PX 125, PX 150, LML Star Deluxe

Quality Polini crankshaft scooter with 50cc Piaggio engines. increase the thrust washers and the lubrication hole on the top end bearing longevity / mileage of the shaft. The connecting rod length corresponds to that of the original crankshaft. So is good to use for 50cc / 70cc Sport / Racing Cylinder Polini crankshaft. The delivery includes Polini little end bearing. We recommend to change always the crankshaft bearings when replacing the crankshaft.