Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 Prima has engineered products to

Prima has engineered products to fit seamlessly with Honda

Polini variators modify the pulley ratio on the belt obtaining a shorter gear for starting acceleration and a taller gear to increase the maximum speed of your scooter

Dimensions: 24" L x 3" W x 3" H

making them compatible with nearly all scooters and motorcycles equipped with a flat rear rack

The NCY Performance Advantage

Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 Prima has engineered products toReplace a worn or slipping clutch on your QMB139 powered 50cc scooter with this Universal Parts clutch assembly. This is the clutch only clutch bell not included. Uses a standard 6901 RS bearing and fits the most common 50cc 4 stroke horizontal engine platforms including Genuine Buddy 50, Roughhouse 50, Kymco, Schwinn, and many others. Clutch assembly only clutch bell not included Pulley outer diameter: 118mm Clutch inner diameter: 12mm Shoe outer