Brand New 49cc Air Cooled Complete Gasoline Scooter Engine Throttle Cable and Grip Kit with Red CNC Racing Intake Manifold High Flow Air Fileter The engine with built-in square exhaust muffler, centrifugal clutch and gearbox The kit comes with 3 pieces of output sprockets (14,17 and 20 teeth )fit T8F BF05T 8mm pitch chains. Offers you more ratio and speed choices Kit Includes: 1 x 49cc engine with racing air filter, 1 x Throttle Cable , 1 x Throttle Clamp with Kill Switch, 1 x Left Grip , 1 x Right Grip, 1 x 14t sprocket, 1 x 17t sprocket,1 x 20t sprocket Product Description Fit Majority of gas scooters, some pocket bikes, and mini choppers, Mini Quad Kid ATV. Always wanted to finish that project but couldn’t find a small compact, but powerful motor Your gas scooter engine has blown/passed on but you don’t want to spend hundreds on rebuilding or buying a brand new bike Wanting to upgrade that slow and old 43cc engine to a new and larger capacity 49cc engine to blow away the competiti