POLINI 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 105,0mm
- Sport - con rod
- pin 15mm
- valve timing: 138°/5° post TDC
- fine balanced
Comparison No. 210.0062 (POLINI)
