Piston POLINI bi-segment Ø40mm axis 10mm for kit 50cc cast on minarelli vertical (booster, bws ...)

Ideal all 5000 to 10 000km, the spare piston for your kit 50cc POLINI cast iron on vertical minarelli scooter engine, mbk booster spirit, stunt, Yamaha bw's, slider ... Delivered with its 2 segments including a chrome, its axis of 10mm diameter, its two crab type piston clips. Available in standard Ø40mm and bore Ø40,4mm and 40,8mm in case of tightening or excessive cylinder wear.