Vespa PK S 125 [1983-1991] - crankshaft PK cone 19

POLINI crankshaft PK cone 19 for Vespa PK S 125

The POLINI FOR RACE crankshaft was developed for the Vespa PK S 125 during the construction period 1983–1991. Their design combines a connecting rod design designed for load-bearing capacity with an optimized crankshaft geometry and is therefore suitable for original and modified engines.

Function and construction

The connecting rod is milled from a block, like in racing engines. As a result, the construction is designed for increased resistance to loads. In addition, the tuning of the intake tract was changed to improve the performance of the engine. The revised crankshaft design aims to reduce vibrations during engine operation.

Technical features

• Crankshaft from the POLINI FOR RACE series
• Cone 19
• Connecting rod milled from a block
• Optimized crankshaft design to reduce vibration
• Modified intake tract tuning to improve engine performance

Vehicle assignment

Suitable for the Vespa PK S 125, built between 1983 and 1991. The crankshaft is recommended for original and modified engines and is aimed at repairs, overhauls and the construction of an appropriately designed engine.

Note on selection

The cone 19 is a crucial selection feature of this crankshaft. Before ordering, check whether the version with cone 19 is required for the intended motor structure.