72cc Big Bore Kit , 139QMB - Complete

High performance 72cc big bore kit for 50cc 4 stroke 139QMB engines. Big bore kits are the ultimate in gaining performance from your scooter and this 72cc big bore kit will surely wake up your QMB139 engine.

Kit Includes


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