Details for the Polini 221ccm Vespa PX tuning kit for 60mm stroke cranks
We had a closer look at the new Malossi Sport and MHR cylinder kits earlier. Now we check the new Polini 221 cc cylinder kit that is supossed to be used with 60 mm stroke crankshafts. The cylinder head is the one that is used on the Polini 210 cc as well. So let's […]