This universal 2 stroke carburetor is used for Chinese manufactured units including ATVs, Dirt Bikes, Choppers, and some Motorcycles. This carburetor is complete and ready to easily mount to your unit. We also recommend you order a new fuel filter (PTFF-01) with this change out. We also have all Chinese Powersport carburetors and also carburetors that will fit the larger Japanese ATV models 250cc-700cc units in stock and we can save you money on any of our high quality carburetors.