Vespa PK S Automatic 125 [1984-1989] - crankshaft cone 20

POLINI crankshaft cone 20 for Vespa PK S Automatic 125

The POLINI FOR RACE crankshaft cone 20 was developed for use in the Vespa PK S Automatic 125. It combines a revised design with a design tailored to the engine and is suitable for both original and modified engines.

Construction and function

The connecting rod is milled from a block, like in racing engines. This manufacturing method is designed to increase their resistance to stress. In addition, the intake tract setting was modified to improve engine performance. The optimized design of the crankshaft helps reduce vibrations during engine operation.

Technical features

• Version: Crankshaft with cone 20
• Series: POLINI FOR RACE
• Milled connecting rod from one block
• Optimized crankshaft design to reduce vibration
• Revised intake tract setting

Vehicle assignment

The crankshaft is assigned to the Vespa PK S Automatic 125 from the complete model range 1984-1989. This means that it can be specifically selected as a replacement or tuning component for this type of vehicle.

Selection note

The design with cone 20 is crucial for the selection. The crankshaft is intended for original and modified engines and is aimed at applications in which a resilient connecting rod design and an optimized crankshaft design are required.