Fit for Yamaha Big Bear 350 YFM350 4WD 1987-1996 Fit for Yamaha Big Bear 350 YFM350 2WD 1996-1998 Fit for Yamaha Moto-4 350 YFM350 1992-1995，Fit for Yamaha Kodiak 400 YFM400 4WD 1996-1998 Carburetor Inner diameter (intake side): 36mm, Inner diameter (air filter side): 46mm ，Outer diameter (air filter side): 50mm Package Includes:1 x Carb Kit，1 x Intake Manifold Kit，1 x 1YW-14451-00-00 Air Oil Filter，1 x Fuel Gas Petcock Valve Kit ，1 x Spark Plug As Pictured Fit for Yamaha Big Bear 350 YFM350 4WD 1987-1996 Fit for Yamaha Big Bear 350 YFM350 2WD 1996-1998 Fit for Yamaha Moto-4 350 YFM350 1992-1995 Fit for Yamaha Kodiak 400 YFM400 4WD 1996-1998