POLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 MP3 can be replaced seperately instead

can be replaced seperately instead of complete casing assembly

The Beverly S takes on a more dynamic personality than ever with its distinctive elegance now showcased through clean

25x62x12mm

In the plastic cover on the engine sits original insulation inside

POLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 MP3 can be replaced seperately insteadPOLINI Vespa Racing 57mm Stroke Crankshaft PX125, PX150, Cosa 125 The width of the sealing surface on the rotary vane cheek is 15. 8mm wide as on the original PX125 150 shaft. The PX200 version has here 16,8mm The extended inlet control angle results in a larger time cross section and allows a significant increase in power over the whole speed band. Very nice stable shaft which provides more bandwidth in every engine. disc valve stroke 57,0mm conrod