Brand New High Quality Aftermarket Carburetor. 49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades ID (Intake side):18mm ; OD (air filter side) : 40mm . Idle jet: 32mm; Main jet : 82mm. Fits most of Chinese Made Scooters and ATV,such as: TAOTAO ,ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS. NIMTEK Carburetor for GY6 49cc 50cc 4 Stroke Engine Electric Choke Motorcycle Scooter Moped ATV Go Kart. Fits most of Chinese Made Scooters and ATV, such as: TAOTAO ,ROKETA, SUNL, JONWAY, JMSTAR, TANK, PEACE, Dongfang, Kazuma, JCL, BMS. Carburetor Fits most 49cc 50cc 4 stroke GY6 139QMB 139QMA scooter ATV go kart moped taotao engines. Electric Choke (plug style): 2-pin, male Accelerator Pump Package include: 1 x Carburetor 50cc scooter carburetor Measurement: ID (Intake side): 18mm OD (air filter side) : 40mm . Idle Jet: 32mm Main Jet : 82mm. 50cc gy6 carburetor Fitment: Carburertor fits almost all the 4-stroke GY6 50cc Chinese Scooters: Gator 50, Roketa, SUNL, JCL, Qi