Crankshaft -MAZZUCCHELLI- Piaggio Ciao, Bravo, SI, Boxer 44mm stroke Piston pin 12mm

Mazzucchelli full cheek crankshaft 44 mm for Piaggio Ciao/Bravo/SI

Full cheek racing crankshaft from Mazzuchelli for reed valve engines such as the Simonini. The crankshaft has a stroke of 44 mm, is concentricity-tested and straightened and has Bakelite inserts, which means that the shaft has been balanced for concentricity.

The connecting rod was polished, a high-quality silver bearing with thrust washers was used on the crankpin and the connecting rod eye has 2 lubrication holes to improve lubrication of the piston pin. By slightly modifying the engine housing, this shaft can also be used in Malossi MP One ,
Polini Evolution Engine or Pinasco Powercasing.