cylinder kit Polini cast iron racing 70cc Corsa for Honda, Kymco, SYM standing (GR1) 119.0077/R

70cc cast iron racing cylinder kit by Polini for scooters equipped with Kymco or Sym upright (GR1) engines. The cylinder has a 47mm bore and achieves an output of 11.7bhp at 9,000RPM according to manufacturer´s claims.