This is a brand new GY6 ELECTRIC Choke carburetor..
This will fit almost all the 4 stroke GY6 50CC SCOOTERS such as ATM, ALIAN, APOLLO, BAJA, BMS, BMX, BRAVO, COOLSTER, GO SCOOT, HUMMER, HANSHAN, HI, HIBIR, INTRUDER, JACKEL, JET, JCL, JIANSHE, JINLING, KUZUMA, LIFAN, LONGSHEN, LUCKY, MAXUM, MOUNTAINEER, MOTO, MOTORSPORTS-[PEP BOYS PRODUCTS], NST, ORION, QUINGI, RICARDO, ROKETA, REDCAT, SEASENG, SCOOTER, SUNL, SUN, TAU, TERMANA, TOMAHAWK, TANK, TOR, VENOM, VIVA, WAHOO, YAMOTO, PROPEL, ROAD, RUNNER, ZENN, and many MORE!
This will also fit Gator 50, Qingqi QM50QT-6V, Qingqi QM50QT-4G, Baja SC50-P, Panterra Retro 50cc, Panterra Freedom 50cc, Schwinn Laguna 50, Schwinn Hope 50, Baotian BT50QT-11, Panterra Fusion 50cc
Inner Diameter (intake side): 18mm
Outer Diameter (intake side): 28mm
Inner Diameter (air filter side): 35mm
Outer Diameter(air filter side): 40mm