PK80+ Big Bore 90CC Bicycle Engine Kit, BoFeng Carb 8mm Mounting Bolts. G4 Cylinder

Assembled with Top Quality Components for High Performance.

Big Bore for 48mm Piston

G4 Cylinder with Open Transfer Ports.

Upgraded CDI with larger Magneto and Rear Earth Magnet.

8mm Motor Months to hold onto your bike frame.

Red BoFeng Sealed Intake Speed Carburetor.

Choice of Rear Sprocket Size 32, 36 or 44 Tooth. 32 tooth for top speed, 36 tooth standard ride and the 44 tooth if you have a lot of hills.

4 bolt Chain Tensioner.

Rubber Mount Pad Inserts.

Balance of standard engine kit parts for everything you need to motorize your bicycle.