For over 40 years K&N has been designing and manufacturing performance air filters for the motorcycle and ATV enthusiast interested in maximizing horsepower and acceleration. Our air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life. K&N Air Filters will NOT void Motorcycle Warranty and are environmentally friendly. K&N Reusable Air Filters reduce the volume of disposable air filters that end up in landfills!
- Designed to provide increased Horsepower and Acceleration
- Pleated cotton media provides a large filtration area offering low restriction and long service intervals
- Multi-Layers of woven cotton gauze media offers excellent filtration
- Fits directly into OEM Airbox with application specific Sealing Bead ensuring a precise fit
- No fuel Management modifications are normally required to obtain increased performance
- Washable & reusable, most are pre-oiled and ready to ride!
1987 Yamaha YFM350ER Moto 4
1987 Yamaha YFM350FW Big Bear 4X4
1988 Yamaha YFM350ER Moto 4
1988 Yamaha YFM350FW Big Bear 4X4
1989 Yamaha YFM250 Moto 4
1989 Yamaha YFM350ER Moto 4
1989 Yamaha YFM350FW Big Bear 4X4
1990 Yamaha YFM250 Moto 4
1990 Yamaha YFM350ER Moto 4 2X4
1990 Yamaha YFM350FW Big Bear 4X4
1991 Yamaha YFM250 Moto 4
1991 Yamaha YFM350ER Moto 4 2X4
1991 Yamaha YFM350FW Big Bear 4X4
1992 Yamaha YFB250 Timberwolf 2X4
1992 Yamaha YFM350ER Moto 4 2X4
1992 Yamaha YFM350FW Big Bear 4X4
1993 Yamaha YFB250 Timberwolf 2X4
1993 Yamaha YFM350ER Moto 4 2X4
1993 Yamaha YFM350FW Big Bear 4X4
1993 Yamaha YFM400 Kodiak
1994 Yamaha YFB250 Timberwolf 2X4
1994 Yamaha YFB250FW Timberwolf 4X4
1994 Yamaha YFM350ER Moto 4 2X4
1994 Yamaha YFM350FW Big Bear 4X4
1994 Yamaha YFM400 Kodiak
1995 Yamaha YFB250 Timberwolf 2X4
1995 Yamaha YFB250FW Timberwolf 4X4
1995 Yamaha YFM350ER Moto 4 2X4
1995 Yamaha YFM350FW Big Bear 4X4
1995 Yamaha YFM400 Kodiak
1996 Yamaha YFB250 Timberwolf 2X4
1996 Yamaha YFB250FW Timberwolf 4X4
1996 Yamaha YFM350FW Big Bear 4X4
1996 Yamaha YFM350U Big Bear 2X4
1996 Yamaha YFM400 Kodiak
1997 Yamaha YFB250 Timberwolf 2X4
1997 Yamaha YFB250FW Timberwolf 4X4
1997 Yamaha YFM350FW Big Bear 4X4
1997 Yamaha YFM350U Big Bear 2X4
1997 Yamaha YFM400 Kodiak
1998 Yamaha YFB250 Timberwolf 2X4
1998 Yamaha YFB250FW Timberwolf 4X4
1998 Yamaha YFM350FW Big Bear 4X4
1998 Yamaha YFM350U Big Bear 2X4
1998 Yamaha YFM400 Kodiak
1999 Yamaha YFB250FW Timberwolf 4X4
1999 Yamaha YFM350FW Big Bear 4X4
1999 Yamaha YFM350U Big Bear 2X4
1999 Yamaha YFM400 Kodiak
2000 Yamaha YFB250FW Timberwolf 4X4
2000 Yamaha YFM400FWP Big Bear 4X4
2002 Yamaha YFM400FWP Big Bear 4X4
2003 Yamaha YFM400FWP Big Bear 4X4
2004 Yamaha YFM400FWP Big Bear 4X4
2005 Yamaha YFM400FWP Big Bear 4X4
For over 40 years K&N has been designing and manufacturing performance air filters for the motorcycle and ATV enthusiast interested in maximizing horsepower and acceleration. Our air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life. K&N Air Filters will NOT void Motorcycle Warranty and are environmentally friendly. K&N Reusable Air Filters reduce the volume of disposable air filters that end up in landfills!
- Designed to provide increased Horsepower and Acceleration
- Pleated cotton media provides a large filtration area offering low restriction and long service intervals
- Multi-Layers of woven cotton gauze media offers excellent filtration
- Fits directly into OEM Airbox with application specific Sealing Bead ensuring a precise fit
- No fuel Management modifications are normally required to obtain increased performance
- Washable & reusable, most are pre-oiled and ready to ride!
1987 Yamaha YFM350ER Moto 4
1987 Yamaha YFM350FW Big Bear 4X4
1988 Yamaha YFM350ER Moto 4
1988 Yamaha YFM350FW Big Bear 4X4
1989 Yamaha YFM250 Moto 4
1989 Yamaha YFM350ER Moto 4
1989 Yamaha YFM350FW Big Bear 4X4
1990 Yamaha YFM250 Moto 4
1990 Yamaha YFM350ER Moto 4 2X4
1990 Yamaha YFM350FW Big Bear 4X4
1991 Yamaha YFM250 Moto 4
1991 Yamaha YFM350ER Moto 4 2X4
1991 Yamaha YFM350FW Big Bear 4X4
1992 Yamaha YFB250 Timberwolf 2X4
1992 Yamaha YFM350ER Moto 4 2X4
1992 Yamaha YFM350FW Big Bear 4X4
1993 Yamaha YFB250 Timberwolf 2X4
1993 Yamaha YFM350ER Moto 4 2X4
1993 Yamaha YFM350FW Big Bear 4X4
1993 Yamaha YFM400 Kodiak
1994 Yamaha YFB250 Timberwolf 2X4
1994 Yamaha YFB250FW Timberwolf 4X4
1994 Yamaha YFM350ER Moto 4 2X4
1994 Yamaha YFM350FW Big Bear 4X4
1994 Yamaha YFM400 Kodiak
1995 Yamaha YFB250 Timberwolf 2X4
1995 Yamaha YFB250FW Timberwolf 4X4
1995 Yamaha YFM350ER Moto 4 2X4
1995 Yamaha YFM350FW Big Bear 4X4
1995 Yamaha YFM400 Kodiak
1996 Yamaha YFB250 Timberwolf 2X4
1996 Yamaha YFB250FW Timberwolf 4X4
1996 Yamaha YFM350FW Big Bear 4X4
1996 Yamaha YFM350U Big Bear 2X4
1996 Yamaha YFM400 Kodiak
1997 Yamaha YFB250 Timberwolf 2X4
1997 Yamaha YFB250FW Timberwolf 4X4
1997 Yamaha YFM350FW Big Bear 4X4
1997 Yamaha YFM350U Big Bear 2X4
1997 Yamaha YFM400 Kodiak
1998 Yamaha YFB250 Timberwolf 2X4
1998 Yamaha YFB250FW Timberwolf 4X4
1998 Yamaha YFM350FW Big Bear 4X4
1998 Yamaha YFM350U Big Bear 2X4
1998 Yamaha YFM400 Kodiak
1999 Yamaha YFB250FW Timberwolf 4X4
1999 Yamaha YFM350FW Big Bear 4X4
1999 Yamaha YFM350U Big Bear 2X4
1999 Yamaha YFM400 Kodiak
2000 Yamaha YFB250FW Timberwolf 4X4
2000 Yamaha YFM400FWP Big Bear 4X4
2002 Yamaha YFM400FWP Big Bear 4X4
2003 Yamaha YFM400FWP Big Bear 4X4
2004 Yamaha YFM400FWP Big Bear 4X4
2005 Yamaha YFM400FWP Big Bear 4X4