BIG BORE Kit for Chinese GY6 50cc Engines 47MM VIEW ALL CYLINDER KITS Chinese Scooter Parts. QMB139 Cylinder Rebuild Kits, Piston Parts for Chinese Scooters and Mopeds. Our high quality Cylinder Rebuild Kits are the exact replacement part for many Chinese manufactured brands and models of Chinese ATVs, Dirt Bikes, Go Karts and Scooters. This Chinese Engine Part fits many models and makes of Chinese Engines. REDUCED - OVERSTOCKED - WHILE THEY LAST! Fits GY6 50cc Scooter Engines Only See pictures in Engine hard parts to identify your engine Chinese Engine Cylinder Rebuild Kit - 80cc engines. Piston measures approximately 47mm in diameter - GY6 80cc Engines. BIG BORE KIT FOR YOUR SCOOTER with Cylinder Head
Our 47mm BIG BORE Kit ship complete with modified cylinder head, cylinder body/jug, piston, piston rings, piston pin, piston circlips, and Top End Rebuild Gasket Set. There is a FREE top end rebuild guide for the GY6 engine located in our Chinese ATv Repair Manual Section. Click here for GY6 Top End Rebuild Service Manual | 
