Piston d=55.4mm for RMS cylinder (R100080420) Vespa PK 125cc

RMS, Italy, is a prolific manufacturer of OEM quality aftermarket parts for many scooter brands, including Vespa Vintage and Vespa Modern parts. Their catalogue is extensive, with equipment made for even the most vintage models.

This RMS Piston 55.4 x 1.5mm is a spare part for the 125cc cylinder by RMS for Vespa PK (article no. R100080420). It is an oversize piston, 55.4mm diameter instead of the original 55mm.

piston + piston pin + piston rings + circlipsd = 55.4mmfor RMS cylinder 125cc