Parts for scooters with 50cc 4-stroke QMB139 engines. This engine is used on virtually all 49cc/50cc 4-stroke Chinese and Taiwanese scooters. Baja SC50, Strada RX 50, Jalon JL50QT-21, falcon and JL50QT-15, JL50QT-16,Strada RX 50, Jalon JL50QT-21 falcon, JL50QT-15, JL50QT-16, JL50QT-18, Pantera Freedom, Fusion and Retro, Verucci VC50TS-3M, Sunl SL50QT-16, SL50QT-16, SL50QT-18, SL50QT-2, SL50QT-3, Roketa Bahama, Maui, Sicily, Tank, Baotian 50QT-9, Baotian, 50QT-11, Dotera 50QT-11, Jalon JL50QT-18, Sinski XSJ50QT-6, Sinski XSJ50QT-B, Taishan Commuter, Taishan Sport Zhong Hu 50cc 4t and many more.....