Piston (diameter 47.6mm / piston bolt 12mm / B dimension) - Aprilia Amico 50 / MBK Booster 50 / Yamaha Bw's 50 ('04->) - Polini

Piston (47.6mm / 12mm / B) Polini for the following applications: Aprilia Amico 50 / SR 50 2T (mod. 1993) / Italjet Pista 50 1/2, Yankee, Scoop 2/3 / MBK Booster 50 / Booster 50 (2004->) / Booster 50 Next Generation / Booster 50 R, Rocket / Booster 50 Spirit / Booster 50 Track / Stunt 50 / Yamaha Bw's 50 (2004->) / Bw's 50 Next Generation / Bw's 50 Zuma / Slider 50 / Spy 50.

The set includes:
- Piston;
- Ring;
- Pin;
- Clips.

Technical specifications:
- Diameter: 47.6 mm;
- Piston pin: 12 mm;
- Size: B.