Starter Clutch Assembly for 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines and 150cc GY6B 4-stroke ZNEN engines commonly found in Lance Phoenix, Flyscooters Cadenza, ZNEN ZN150T-18, Xingyue ITA-150, Motorino Cassini, CMS Prodigy, BMS Pathfinder and many more.

• Keyhole Diameter: 22mm
• Gear: 60 tooth
• Includes Needle Bearing
• Hole Diameter on Gear: 10mm
• Hole Diameter on Clutch: 4mm