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)
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)