PZ20 Carburetor fits most ATV Go Kart Dirt Bike, such as , Kazuma,Baja,Coolster 70cc 90cc 110cc 125cc ATV Dirt Bike and Go Kart Horizontal Engine.Carburetor Kit Fits CRF50F 2004-2009 2011-2012,CRF80F 2004-2009 2011-2013 Dirt Bike EngineAtv Pit Bike Dirt Bike Carb set with 35mm motorcycle air filter,suitable for most 35mm motorcycles. Carburetor for Dirt Bike ATVs, Quads, Go Carts, and UTVs CRF XR 4 stroke under 125CC ATVs ATVsReplacement of most carbs Go kart,Moped Scooter.Inner Diameter (intake side): 20mm Mounting Center to Center: 48mm Outer Diameter(air filter side): 32mmNOTE:If there is any issues about our Carburetor within 12 months, do not hesitate to contact us.We will give you a new replacement or issue you a full refund.Please check carburetor, Your old carburetor needs to look like the same with our pictures to replace it! Suitable model reference: 90cc Baja quad 90cc Baja dirt bike 90cc atv 110cc Tao Tao atv 110cc ssr pit bike 110cc Coolster quad 110cc Loncin ATV 125cc atv