Cylinder set (diameter 45mm / 63.1cc) - 166.0050 - Yamaha Bop 50 / Chappy 50 AC 2T - Polini

Cylinder set Polini (45mm / 63.1cc) for the following applications: Yamaha Bop 50 AIR 2T (1980-1982) / Chappy 50 AIR 2T (1973-1996).

The set includes:
- Cylinder;
- Equipped piston (piston, pin, rings, clips);
- Gaskets.

Technical specifications:
- Displacement: 63.1 cc;
- Stroke: 39.7 mm;
- Bore: 45.00 mm;
- Piston pin: 12 mm;
- Maximum power output: 6 HP at 7,100 RPM;
- Cooling: air-cooled;
- Material: cast iron;
- Class: Sport.