80cc Big Bore Kit , 139QMB - Complete

High performance 80cc big bore kit for 50cc 4 stroke 139QMB engines. Big bore kits are the ultimate in gaining performance from your scooter and this 80cc big bore kit will surely wake up your QMB139 engine.

Kit Includes


Cylinder Head with valves
Cylinder
Piston
Rings
Wrist Pin
Head gasket
Cylinder Gaskets
Cir Clips