Crankshaft Polini Big Evo Vespa Primavera ET3 75/125cc 2T stroke 52.8mm connecting rod 102mm

Competition full circle Crankshaft designed for the Italian championship to perfectly complement the 140.0212 cylinder, perfectly balanced with tungsten, connecting rod of 102mm and stroke of 52.8mm.

The crankcase must be machined for the larger diameter webs.

Attention! This Crankshaft must be installed with the Polini Big Evolution cylinder (52.8mm stroke), bearings P280.0031 and seals P285.0111

Warning! Balancing checks must be carried out before installing in the engine, since manufacturers deny warranty for any balancing fault found after installation.