Brand New 80cc Cylinder Piston Kit for the GY6 139qmb Scooter Engine.
THIS WILL NOT FIT ANY 2 STROKE ENGINE!
This is the Big Bore Kit for the 50cc engines and will increase your engine size to 80cc. If you already have the 80cc engine, then this would be the stock size for you!
Kit includes the Cylinder, Piston, Complete ring set, Wrist pin, Circlips and a Top End Gasket Set. Uses your stock head, or a new head is available in our eBay store.
Check Fitment / Compatibility List for just some of the models this kit fits! If you are using the GY6 139qmb engine, from 50cc-80cc, this kit will work just fine!
Manufacturer Part Number: 074-060. | Brand: 2FastMoto. | Warranty: 90 Day. | Type: Cylinder & Cylinder Heads. | Fits Engine Type:: GY6 139qmb (check yours). | Bore Size: 80cc. |