Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 maintaining consistent airflow across the

maintaining consistent airflow across the entire surface

SFA Series Organic Scooter Pads are British made using aramid fibers

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

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

Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 maintaining consistent airflow across theReplace 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