49cc carburetors most commonly used for (and not limited to) 2-stroke pocket bikes, mini dirt bikes and mini quads (ATVs). Also used for some 49cc 2-stroke scooters and smaller buggies/go-karts. This carburetor is applicable to the same engines and machines as carburetor 80P4100 though it has a different profile. This 13mm carburetor most commonly used for (but not limited to) the Tao Tao ATG47 A/B and ATG49 A/B/C machines.