Spare Ø40mm piston for MHR 50cc kit on PIAGGIO / GILERA Air and Liquid (NRG, Runner ...)

Complete piston for MALOSSI MHR kits of 50mm diameter. These competition pistons have a high silicon content and a very good alloy, as always with MHR, their manufacture and finish is impeccable. The change is strongly recommended every 6000km maximum. We obviously have sides A / B / C and finally D depending on the wear of your cylinder. Generally on these cylinders, switching to B is recommended at 8000 or even 10,000 km.

This piston applies to the following kits :

38 865 Kit MHR 50cc for PIAGGIO Liquid

31 8862 Kit MHR 50cc for PIAGGIO Air