Bearing set for crankshaft -POLINI Evolution reed valve- Vespa V50, PV125, ET3, PK50, PK80, PK125

Bearing kit for Evolution crankshaft with 52,8mm stroke from Polini for Vespa V50, PV, PK etc. This shaft has different bearing seat diameters. Therefore it is not possible to use more bearings with the usual dimensions.
Polini uses standard bearings:
6005 C3* (25x47x12)
6204 (20x47x14)

* increased bearing clearance

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