Factory Spec ATV Air Filter Fits - YFB250U YFB250FW YFM350FW YFM350U YFM350ER YFM250 YFM400FW (FS-907) Description Manufactured by Factory Spec Foam filter is direct replacement of OEM filter Replaces OEM 1YW-14451-00-00 Made in China Fits: 1992 - 1998 Yamaha Timberwolf 250 2x4 (YFB250U) 1994 - 2000 Yamaha Timberwolf 250 4x4 (YFB250FW) 1987 - 1999 Yamaha Big Bear 350 4x4 (YFM350FW) 1996 - 1999 Yamaha Big Bear 350 2x4 (YFM350U) 1987 - 1995 Yamaha Moto-4 350 (YFM350ER) 1989 - 1991 Yamaha Moto-4 250 (YFM250) 1993 - 1999 Yamaha Kodiak 400 4x4 (YFM400FW) Features: Fit type: Vehicle Specific Compatible with vehicle type: All-Terrain-Vehicles Package Dimensions: 10.2 L x 15.5 H x 10.2 W (centimeters) Made in China Product Details: Brand: Factory Spec Manufacturer: ‎Factory Spec Brand: ‎Factory Spec Model: ‎Factory Spec ATV Air Filter Item Weight: ‎1.76 ounces Product Dimensions: ‎5.8 x 5.2 x 5.1 inches Country of Origin: ‎China Item model number: ‎FS-907 Exterior: ‎foam Manufacturer Part Number: ‎FS-907 Date First Available: October 8, 2009