The Polini 171cc aluminum cylinder kit (item number 140.0216) is specifically designed for performance-oriented riders who seek optimized power and acceleration for their Vespa Primavera or Sprint (125-150cc) and Piaggio Liberty 125 3V 4T. The kit offers various technical enhancements and high-quality materials, ensuring reliability and performance.
Technical Details:
- Displacement: 171cc – an increase over standard engines, providing noticeable improvement in acceleration and top speed
- Bore: 61mm – suitable for engines with a 3-valve 4-stroke system, optimized for the Piaggio Liberty 125
- Material: The cylinder is made from high-quality aluminum, improving thermal stability. Aluminum has lower thermal expansion than conventional materials, enabling better temperature control under intense riding conditions
- Construction: The kit includes a special cylinder sleeve and piston rings, enhancing sealing and prolonging engine lifespan
- Components: Includes gaskets and a detailed installation guide to ensure precise assembly and maximize the cylinder’s potential
Benefits:
- Power Increase: The kit significantly boosts torque and acceleration, designed especially for urban and sporty riding
- Optimal Cooling: The aluminum structure aids in heat dissipation, ensuring stable engine performance during prolonged operation
- Easy Installation: With included gaskets and instructions, the kit is easy to install, suited for both hobbyists and professionals
Compatibility:
The kit is intended for Vespa models with a 3-valve 4-stroke engine and is thus ideal for Vespa Primavera, Sprint, and Piaggio Liberty 125 3V models in the 125-150cc class.
Conclusion
The Polini 171cc aluminum cylinder kit is an excellent choice for Vespa and Piaggio riders looking for significant power improvement. Its aluminum construction ensures sustained performance, even at higher temperatures.
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