Features and specifications:For all 2 stroke engines , can't used at 4 stroke engine,if install to 4 stroke engine, find problem can't after sale service,now stock have 21 24 28 30 32mm, other size being madeFor other sizes please click the following links:21 mm fit for 50 - 100cc engines24 mm fit for 50 - 100cc engines26 mm fit for 75 - 125cc engines28 mm fit for 75 - 125cc engines30 mm fit for 100 - 150cc engines32 mm fit for 125 - 200cc engines34 mm fit for 125 - 250cc enginesWhen ordering, select a carburetor of the same size, or within +/- 50cc of your vehicle's original carburetor. Orders will be processed within 24 hours.Specifications:Make: UniversalModel: All modelsYear: All yearsStyle: Flat slide TM series carburetorColor: Natural colorsMade Brand word: ZSDTRPDesign type: PWK