Polini Cylinder Kit "Sport" 50cc cast iron Yamaha BW's / Slider

Straight out of Italy - Polini 50cc Cast Iron Cylinder Kit Sport MBK Booster / Stunt (Minarelli vertical).

The kit includes:
- 50cc Cast Iron Cylinder, with 5 transfer ports and simple, oval exhaust port
- Two-Ring Piston, d=40mm, 10mm pin
- High Compression Cylinder Head
- Gasket Set for mounting

This cylinder kit is intended for everyday road use and is accordingly very wear resistant. With the right configuration (17.5mm carburetor and sports exhaust), this street-legal 50cc kit can reach between 5 and 6hp. The increase in power will mostly be noticeable in the mid and high rpm range and higher top speed.

Perfect choice for pilots who are looking for improved performance for their 50cc scooter without losing reliability.