cylinder kit Polini 80cc Series 6000 48mm for Fantic Motor Regolarita 50, Minarelli P4-P6 133.6005

80cc aluminium cylinder kit from the Series 6000 from Polini for Fantic Motor Regolarita 50, Minarelli P4-P6 geared mopeds. The cylinder has a 48mm bore, a compression ratio of 13.8:1 and achieves an output increase of 13bhp at 9,800PRPM according to manufacturer´s claims.