Vespa Primavera ET 3 [1976-1983] - crankshaft PK cone 19
Description
POLINI crankshaft PK cone 19 for Vespa Primavera ET3
The POLINI crankshaft PK Konus 19 was developed for the Vespa Primavera ET3 in the 1976-1983 model year range. As a FOR RACE crankshaft, it combines a resilient construction with a revised design for the engine. According to the manufacturer, the crankshaft is suitable for both original and modified engines.
![Vespa Primavera ET 3 [1976-1983] - crankshaft PK cone 19 – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1126054-1_df5c7ffd-e7d2-484c-99bc-3fe95516247e.jpg?v=1788583735)
Resilient construction
During production, the connecting rod is milled from a block. This design is designed to increase resistance to stress. The crankshaft is therefore aimed at applications that require a component that is suitable and robust for the respective engine.
Technical features
- Version: Crankshaft PK cone 19
- FOR RACE design by POLINI
- Connecting rod milled from a block
- Changed design of the intake tract to improve engine performance
- Optimized crankshaft design to reduce vibration
Vehicle assignment
The specified vehicle assignment is Vespa Primavera ET3, built between 1976 and 1983. The crankshaft taper is specified as 19 and should be matched to the existing engine configuration before selection.
Selection and use
The POLINI crankshaft is intended for use in original and modified engines. Its design combines the machined connecting rod, the revised intake tract design and the crankshaft design designed to reduce vibrations in one component for the Vespa Primavera ET3.
![Vespa Primavera ET 3 [1976-1983] - crankshaft PK cone 19 - detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1126054-2_1c906016-8ea0-472c-b8b0-7f5f671752f9.jpg?v=1788583735)