Performance Carburetor Throttle Cable Air Filter Kit for 47cc 49cc 2 Stroke Pocket Mini Dirt Bike Engine Brand new performance carburetor assembly kit. Includes Large Float Carburetor, Aluminum Intake, Performance Air Filter, Reed Gasket, and 31.5" Throttle cable Fit most 47cc 49cc 2 stroke pocket mini bikes. Carburetor engine side ppening: 19mm; Air filter mount: 59mm