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Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125

7675693
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125
Crankshaft -POLINI Racing (rotary valve) 57mm stroke- Vespa PX125, PX150, Cosa 125

Description


The Polini crankshafts are very cleanly finished and convince with their well thought-out details:
  • flow-optimized control cheek
  • well balanced
  • stable connecting rod
  • extended intake control angle
  • available with 57mm (std) and 60mm stroke
  • trunnion: 20mm (except PX200, 57mm stroke: 22mm)

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.

(US)


AI-translation

 
€255.90 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)
P For this item you get fidelity point/s
Bearings
sizes: 15x19x20mm
Gudgeon pins
diameter: 15 mm
Crankshafts
stroke: 57 mm
thread rotor side: M12x1,25 right-hand thread
thread drive side: M12x1,5 right-hand thread
diameter crankwebs: 98 mm
diameter bearing seat rotor side: 25 mm
diameter bearing seat drive side: 25 mm
diameter oil seal seat rotor side: 24 mm
diameter oil seal seat drive side: 31 mm
full circle crankshaft:
rotary valve crankshaft:
crankcase has to be milled:
engine casing has to be modified:
Connecting rods
length connecting rod: 105 mm
diameter small end connecting rod eye: 19 mm
OEM numbers (for comparison purposes only)
Polini 2100062, P210.0062, P2100062, 210.0062
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