Naraku 47mm Piston Kit for QMB139 10-inch rim 0" (accommodates up to 14"

0" (accommodates up to 14" x 7

Specifically engineered for the CSC Bella Classic and 139QMB-based retro scooters

No RPM Limitation: Completely removes the factory-set speed governor

1 Crush washer for gear oil drain plug

Upgrade your ride with the Forsa Piggyback Performance Shock

Naraku 47mm Piston Kit for QMB139 10-inch rim 0" (accommodates up to 14"Naraku Replacement Piston Kit for QMB139 4 stroke 47mm Big Bore Cylinder Kit. Kit includes piston, rings, piston pin and cir clips. Piston Diameter: 47mm Wrist Pin Diameter: 13mm Total Piston Height: 34. 1mm QMB139 50cc 49cc , Various unlisted makes models This product is not intended for use on public roads or land.