ApplicationCompatible for Yamaha 2007 - 2009 BIG BEAR 250Compatible for Yamaha 2001 - 2007 BIG BEAR 400 YFM 400 2x4 4x4Compatible for Yamaha 2005 - 2006 BRUIN 250 YFM 250Compatible for Yamaha 2004 - 2006 BRUIN 350.2x4 4x4Compatible for Yamaha 2000-2003 ATV KODIAK 400 2WD 4WDCompatible for Yamaha 2003 - 2006 KODIAK 450 4x4Compatible for Yamaha 2006 - 2009 WOLVERINE 350 2x4 4x4Compatible for Yamaha 2006 - 2010 WOLVERINE 450 4x4Compatible for Yamaha 2007 - 2010 GRIZZLY 350 2x4 4x4Compatible for Yamaha 2000 GRIZZLY 400Compatible for Yamaha 2007 - 2012 GRIZZLY 450 4x4SpecificationInner diameter (intake side): 33mmOuter diameter (intake side): 37mmInner diameter (air filter side): 48mmOuter diameter (air filter side): 52mmMaterial: Zinc alloyWeight: 0.9kgWarranty: one yearPackage size:16*12*12cmPackage include:1x Carburetor1x Throttle Base Cover1x Throttle Base Rubber Gasket1x Throttle Cable Clip3x Base Cover Screw1x FREE Inline Fuel FilterFeature1. Improved air intake holes to improved