47mm Racing Big Bore Cylinder Kits

for Minarelli horizontal type engine

will make your engine 70cc

Upgrade 50cc to 70cc

Piston Diameter: 47mm
Wrist Pin Diameter: 10mm

This kit includes: 70cc cylinder, gaskets, clips, wrist pin, piston and rings

Fits: 1E40QMB 2 Stroke Engine
Fits on Apirilia Vino, JOG CV ,Polaris, ZUMA & many more!