2003 Yamaha Kodiak 450 Air Filter Replacement and Oil Change - YouTube
Amazon.com: 1YW- 14451-00-00 Air Filter Compatible with Yamaha Timberwolf 250 Big Bear 350 Moto-4 250 350 Kodiak 400 YFM350FW Bia Bear 350 4x4 1987-1999 with Fuel Gas Tank Switch Valve, by NAKAO : Automotive