K&N KN-142 High-Performance Oil Filter for Yamaha ATV/UTV Engines

Built to withstand racing conditions, K&N delivers a high-quality oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils. A large filter media provides high-flow rates and outstanding oil filtration to keep your motor running clean and smooth. K&N oil filters deliver performance and confidence!

The K&N KN-142 oil filter is engineered for demanding ATV and UTV applications, providing exceptional filtration and flow characteristics to keep your engine running smoothly. Constructed with a high-quality synthetic media, this filter is specifically designed to withstand the high concentrations of synthetic racing oils, ensuring reliable performance under extreme conditions. Its large filter media surface allows for high-flow rates while maintaining outstanding contaminant removal, which helps extend engine life and improve overall performance. The heavy-duty canister and base plate feature a double-rolled seal, offering high burst-strength and a secure fit, even during intense operation.
Designed with user convenience in mind, the KN-142 includes a 17mm hex nut for easy installation and removal with a wrench. The pre-lubed base gasket ensures an optimal seal to prevent leaks and maintain consistent pressure. This filter also incorporates a pressure relief valve and, where applicable, an anti-drain back valve to prevent oil starvation during engine startup. Available in black, the filter complements your ATV or UTV’s engine compartment while delivering professional-grade filtration. As a product endorsed by TUV, K&N guarantees quality and durability, backed by their limited warranty. Whether you're racing or tackling rugged terrain, the KN-142 provides the confidence and performance your engine demands, fitting a range of Yamaha models such as the WR426F, YZ426F, and WR400F from late 1990s to early 2000s.
Maintaining engine health with a reliable oil filter like the K&N KN-142 ensures your vehicle stays in top condition, reduces engine wear, and maximizes performance over time. Its robust construction and high-quality synthetic media make it a trusted choice for enthusiasts and professionals alike, seeking durable and efficient filtration for their ATV and UTV engines.

Features:

• 17mm hex nut allows easy-on, easy wrench-off (spin-on filters only)

• High-flow synthetic media allows for high-flow rates associated with synthetic and synthetic blended oils

• Uniform pleated synthetic filter media provides high capacity and outstanding filtration

• Protected by a heavy-duty canister and base plate with a double-rolled seal offering high burst-strength

• Pressure relief valve & anti-drain back valve (where applicable)

• TUV production monitored and endorsed ensures the highest quality filters available

• Pre-lubed base gasket for optimum seal

• Available in chrome or black depending on application

• K&N Limited Warranty®

Product Type: Oil Filters
Color: Black
Segment: ATV/UTV
Division: Engine
Class: Oil Filters & Components
Sub Class: Oil Filters

FITMENT:
1987 Yamaha YFM350ER Moto-4
1987 Yamaha YFM350FW Big Bear 4WD [SRA]
1987 Yamaha YFM350X Warrior
1988 Yamaha YFM350ER Moto-4
1988 Yamaha YFM350FW Big Bear 4WD [SRA]
1988 Yamaha YFM350X Warrior
1988 Yamaha YFP350 Terra Pro
1989 Yamaha YFM350ER Moto-4
1989 Yamaha YFM350FW Big Bear 4WD [SRA]
1989 Yamaha YFM350X Warrior
1990 Yamaha YFM350ER Moto-4
1990 Yamaha YFM350FW Big Bear 4WD [SRA]
1990 Yamaha YFM350X Warrior
1991 Yamaha YFM350ER Moto-4
1991 Yamaha YFM350FW Big Bear 4WD [SRA]
1991 Yamaha YFM350X Warrior
1992 Yamaha YFM350ER Moto-4
1992 Yamaha YFM350FW Big Bear 4WD [SRA]
1992 Yamaha YFM350X Warrior
1993 Yamaha YFM350ER Moto-4
1993 Yamaha YFM350FW Big Bear 4WD [SRA]
1993 Yamaha YFM350X Warrior
1993 Yamaha YFM400FA Kodiak 4WD [SRA]
1994 Yamaha YFM350ER Moto-4
1994 Yamaha YFM350FW Big Bear 4WD [SRA]
1994 Yamaha YFM350X Warrior
1994 Yamaha YFM400FA Kodiak 4WD [SRA]
1995 Yamaha YFM350ER Moto-4
1995 Yamaha YFM350FW Big Bear 4WD [SRA]
1995 Yamaha YFM350FX Wolverine 4WD [SRA]
1995 Yamaha YFM350X Warrior
1995 Yamaha YFM400FA Kodiak 4WD [SRA]
1996 Yamaha YFM350FW Big Bear 4WD [SRA]
1996 Yamaha YFM350FX Wolverine 4WD [SRA]
1996 Yamaha YFM350U Big Bear 2WD [SRA]
1996 Yamaha YFM350X Warrior
1996 Yamaha YFM400FA Kodiak 4WD [SRA]
1997 Yamaha YFM350FW Big Bear 4WD [SRA]
1997 Yamaha YFM350FX Wolverine 4WD [SRA]
1997 Yamaha YFM350U Big Bear 2WD [SRA]
1997 Yamaha YFM350X Warrior
1997 Yamaha YFM400FA Kodiak 4WD [SRA]
1998 Yamaha WR400F
1998 Yamaha YFM350FW Big Bear 4WD [SRA]
1998 Yamaha YFM350FX Wolverine 4WD [SRA]
1998 Yamaha YFM350U Big Bear 2WD [SRA]
1998 Yamaha YFM350X Warrior
1998 Yamaha YFM400FA Kodiak 4WD [SRA]
1998 Yamaha YZ400F
1999 Yamaha WR400F
1999 Yamaha YFM350FW Big Bear 4WD [SRA]
1999 Yamaha YFM350FX Wolverine 4WD [SRA]
1999 Yamaha YFM350U Big Bear 2WD [SRA]
1999 Yamaha YFM350X Warrior
1999 Yamaha YFM400FA Kodiak 4WD [SRA]
1999 Yamaha YZ400F
2000 Yamaha TT-R250
2000 Yamaha WR400F
2000 Yamaha YFM350FX Wolverine 4WD [SRA]
2000 Yamaha YFM350X Warrior
2000 Yamaha YFM400 Big Bear 2WD [SRA]
2000 Yamaha YFM400FB Big Bear 4WD [SRA]
2000 Yamaha YZ426F
2001 Yamaha TT-R250
2001 Yamaha WR250F
2001 Yamaha WR426F
2001 Yamaha YFM350FX Wolverine 4WD [SRA]
2001 Yamaha YFM350X Warrior
2001 Yamaha YFM400 Big Bear 2WD [SRA]
2001 Yamaha YFM400FB Big Bear 4WD [SRA]
2001 Yamaha YZ250F
2001 Yamaha YZ426F
2002 Yamaha TT-R250
2002 Yamaha WR250F
2002 Yamaha WR426F
2002 Yamaha YFM350FX Wolverine 4WD [SRA]
2002 Yamaha YFM350X Warrior
2002 Yamaha YFM400 Big Bear 2WD [SRA]
2002 Yamaha YFM400FB Big Bear 4WD [SRA]
2002 Yamaha YZ250F
2002 Yamaha YZ426F
2003 Yamaha TT-R250
2003 Yamaha YFM350FX Wolverine 4WD [SRA]
2003 Yamaha YFM350X Warrior
2003 Yamaha YFM400 Big Bear 2WD [SRA]
2003 Yamaha YFM400FB Big Bear 4WD [SRA]
2004 Yamaha TT-R250
2004 Yamaha YFM350FX Wolverine 4WD [SRA]
2004 Yamaha YFM350R Raptor
2004 Yamaha YFM350X Warrior
2004 Yamaha YFM400 Big Bear 2WD [SRA]
2004 Yamaha YFM400FB Big Bear 4WD [SRA]
2005 Yamaha TT-R250
2005 Yamaha YFM350FX Wolverine 4WD [SRA]
2005 Yamaha YFM350R Raptor
2005 Yamaha YFM400FB Big Bear 4WD [SRA]
2006 Yamaha TT-R250
2006 Yamaha YFM350R Raptor
2006 Yamaha YFM400FB Big Bear 4WD [SRA]
2007 TM SMX 450F
2007 Yamaha YFM350R Raptor
2007 Yamaha YFM400FBI Big Bear 4WD [IRS]
2008 TM SMX 450F
2008 TM SMX 660F
2008 Yamaha YFM350R Raptor
2008 Yamaha YFM400FBI Big Bear 4WD [IRS]
2009 TM SMX 450F
2009 TM SMX 660F
2009 Yamaha YFM350R Raptor
2009 Yamaha YFM400FBI Big Bear 4WD [IRS]
2010 Yamaha YFM350R Raptor
2010 Yamaha YFM400FBI Big Bear 4WD [IRS]
2011 Yamaha YFM350R Raptor
2011 Yamaha YFM400FBI Big Bear 4WD [IRS]
2012 Yamaha YFM350R Raptor
2012 Yamaha YFM400FBI Big Bear 4WD [IRS]
2013 Yamaha YFM350R Raptor