Starter Motor Clutch Gear Assembly Bendix GY6 50cc QMB/139 4 Stroke Scooter Mopeds ATV. It fits most makes and models of Chinese Scooters and Mopeds with 49cc 50cc 4-stroke GY6 QMB139 engine. The Starter Motor Clutch Gear Assembly can also fits most brand such as BLADE, Kinroad, Twister Hammerhead, Carter Talon, Dazon, Roketa, DUNE, Baja, kart, Kasea, KPX, SUNL, Taotao, JCL, Kazuma, etc. Honda, Yahama, Bombardie, Kawasaki, Polaris, and Suzuki. Center Shaft Diameter: 8 mm Outer Diameter of Bottom Gear: 40mm

• It fits most makes and models of Chinese Scooters and Mopeds with 49cc 50cc 4-stroke GY6 QMB139 engine.
• Center Shaft Diameter: 8 mm
• Outer Diameter of Bottom Gear: 40mm

It fits most makes and models of Chinese Scooters and Mopeds with 49cc 50cc 4-stroke GY6 QMB139 engine.JEM&JULES