VideoPUP(TM) Starter Motor Electric GY6 47cc 49cc 50cc 139QMB Scooter Moped 4-stroke Engines Brand new GY6 50cc Scooter Moped Starter Motor with 10 teeth, 12V. This part will fit most of Gy6 50cc engine: 49CC 50cc 60cc 72cc Scooters, Mopeds, ATVs, Go Carts with 139QMB GY6 Engine. This fits MOST OF THE MODELS FROM ROKETA SUNL BAJA KAZUMA CARROLL STREAM EAGLE TAOTAO REDCAT TANK GIOVANNI AIMEX JACKEL WILDFIRE XTREME SEASENG QLINK YIBEN JONWAY JMSTAR, VENTO, TNG. Please check pictures for compatibility