



POLINI Crankshaft (Manufacturer reference: 210.0055) — replacement crankshaft for urban 50 cc mopeds. Designed to enhance engine reliability, this crankshaft incorporates solutions used in competition: the connecting rod is machined in one piece to increase its resistance to stress and limit premature wear. The crankshaft design has been optimized to reduce vibrations, and the intake adjustment has been revised to improve engine breathing.
This crankshaft is aimed at scooter riders and small urban displacement motorcycles looking to restore or enhance their engine while maintaining a smooth engine behavior. For safe installation and optimal balancing, it is advisable to have the installation done by a professional.
Frequent compatibilities: