With this complete 66/80cc Top End assembly will have your 66/80cc 2-stroke motorized bicycle back on the road in no time.
With this top end assembly, you’ll be able to keep your motor running for miles and miles without needing to buying a new motor. Complete with all parts and hardware needed to replace your entire top end assembly, just install the new piston on to your crank, assemble and install the rest of the components, and slide it on to your crankcase, and toque down. In less than an hour, you’ll have your motorized bicycle engine kit running like new again.
If your cylinder is damaged beyond repair, or if you just want to start from scratch, this complete 2-stroke engine cylinder body assembly will have your motorized bike on the road and tearing down the street.

Package Includes:

• 1x 66/80cc Cylinder Body
• 1x 66/80cc Angle Fire Cylinder Cap
• 1x 40mm Intake Manifold and Gasket
• 1x Muffler Gasket
• 4x Intake/Exhaust Studs w/ Washers and Lock washers
• 1x #4 66/80cc Piston w/ 2x Piston Rings
• 1x Piston Pin
• 1x Crank Connector Bearing
• 2x Piston Clips
• 4x 8mm Head Studs w/ Head Caps, Washers, and Lock washers
• 1x Top Head Gasket
• 1x Bottom Head Gasket