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.