cylinder kit Polini cast iron sport 70cc 47mm for Fantic Motor Issimo 50, Minarelli V1 133.0072

70cc cast iron cylinder kit from Polini for Fantic Motor Issimo 50 Minarelli V1 mopeds. The cylinder has a 47mm bore and achieves an output of 4.8bhp at 7,800RPM according to manufacturer´s claims.