K&N Engineering KN-142 Powersports Premium Oil Filter for Select Yamaha ATVs

K&N Powersports Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. K&N Powersports Oil Filters trap harmful contaminants while the filter's construction allows for high oil flow rates. K&N Oil Filters are covered by a limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturer's recommended service intervals. The K&N Premium Oil Filter Powersports delivers increased engine protection with high-efficiency synthetic filter media that maintains strong oil flow for reliable performance.

• DIRECT FACTORY REPLACEMENT: Made to be application specific (where applicable) & designed for easy installation.
• Oil filter design provides for a high rate of oil flow
• High performance design for outstanding filtration
• High-efficiency media with uniform pleats
• Ideal for high-end synthetic motor oil

The K&N Engineering KN-142 Powersports Premium Oil Filter is designed for racers, engine builders, and motorcycle or ATV owners seeking dependable engine protection. Its high-efficiency synthetic filter media captures harmful contaminants while supporting strong oil flow for reliable lubrication and consistent performance.

Built as a direct factory replacement for compatible applications, the KN-142 is designed for straightforward installation and dependable service. Uniformly pleated filter media provides outstanding filtration, while the high-flow design helps maintain oil circulation during demanding riding conditions. The filter is also well suited for use with high-end synthetic motor oils and is covered by K&N's limited warranty against defects in materials and workmanship when installed and replaced according to the manufacturer's recommended service intervals.

The K&N KN-142 fits select Yamaha powersports applications, including the 1987 and 1988 Yamaha YFM350ER Moto-4, YFM350FW Big Bear 4x4, and YFM350X Warrior; the 1988 Yamaha YFP350 TerraPro; the 1989 Yamaha YFM350FW Big Bear 4x4 and YFM350X Warrior; and the 1990 Yamaha YFM350ER Moto-4. Always verify vehicle application and follow the equipment manufacturer's service recommendations before installation.

Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: KN-142
• Product Type: Powersports oil filter
• Filter Media: High-efficiency synthetic media
• Filter Construction: Uniformly pleated media
• Oil Flow Design: High-flow performance construction
• Recommended Oil: Conventional or high-end synthetic motor oil, as specified by the manufacturer
• Warranty: Limited warranty against defects in materials and workmanship

What's Included

One K&N Engineering KN-142 Powersports Premium Oil Filter.

Features:

• Direct factory replacement: Application-specific design supports easy installation on compatible Yamaha powersports vehicles.
• High oil flow: The filter construction helps maintain strong oil circulation for reliable engine lubrication.
• High-efficiency filtration: Synthetic filter media traps harmful contaminants to support increased engine protection.
• Durable performance design: Uniform pleats and compatibility with high-end synthetic motor oils provide dependable service under demanding riding conditions.

Fitments:
1987 Yamaha YFM350ER Moto-4 Base
1987 Yamaha YFM350FW Big Bear 4x4 Base
1987 Yamaha YFM350X Warrior Base
1988 Yamaha YFM350ER Moto-4 Base
1988 Yamaha YFM350FW Big Bear 4x4 Base
1988 Yamaha YFM350X Warrior Base
1988 Yamaha YFP350 TerraPro Base
1989 Yamaha YFM350FW Big Bear 4x4 Base
1989 Yamaha YFM350X Warrior Base
1990 Yamaha YFM350ER Moto-4 Base
1990 Yamaha YFM350FW Big Bear 4x4 Base
1990 Yamaha YFM350X Warrior Base
1991 Yamaha YFM350ER Moto-4 Base
1991 Yamaha YFM350FW Big Bear 4x4 Base
1991 Yamaha YFM350X Warrior Base
1992 Yamaha YFM350ER Moto-4 Base
1992 Yamaha YFM350FW Big Bear 4x4 Base
1992 Yamaha YFM350X Warrior Base
1993 Yamaha YFM350ER Moto-4 Base
1993 Yamaha YFM350FW Big Bear 4x4 Base
1993 Yamaha YFM350X Warrior Base
1993 Yamaha YFM400F Kodiak 4x4 Base
1994 Yamaha YFM350ER Moto-4 Base
1994 Yamaha YFM350FW Big Bear 4x4 Base
1994 Yamaha YFM350X Warrior Base
1994 Yamaha YFM400F Kodiak 4x4 Base
1995 Yamaha YFM350ER Moto-4 Base
1995 Yamaha YFM350FW Big Bear 4x4 Base
1995 Yamaha YFM350X Warrior Base
1995 Yamaha YFM400F Kodiak 4x4 Base
1996 Yamaha YFM350F Wolverine 4x4 Base
1996 Yamaha YFM350FW Big Bear 4x4 Base
1996 Yamaha YFM350X Warrior Base
1996 Yamaha YFM400F Kodiak 4x4 Base
1997 Yamaha YFM350F Wolverine 4x4 Base
1997 Yamaha YFM350FW Big Bear 4x4 Base
1997 Yamaha YFM350X Warrior Base
1997 Yamaha YFM400F Kodiak 4x4 Base
1998 Yamaha YFM350F Wolverine 4x4 Base
1998 Yamaha YFM350FW Big Bear 4x4 Base
1998 Yamaha YFM350X Warrior Base
1998 Yamaha YZ400F Base
1999 Yamaha WR400F Base
1999 Yamaha YFM350F Wolverine 4x4 Base
1999 Yamaha YFM350FW Big Bear 4x4 Base
1999 Yamaha YFM350X Warrior Base
1999 Yamaha YFM400F Kodiak 4x4 Base
1999 Yamaha YZ400F Base
2000 Yamaha TTR250 Base
2000 Yamaha WR400F Base
2000 Yamaha YFM350F Wolverine 4x4 Base
2000 Yamaha YFM350X Warrior Base
2000 Yamaha YFM400 Big Bear 2x4 Base
2000 Yamaha YZ426F Base
2001 Yamaha TTR250 Base
2001 Yamaha WR250F Base
2001 Yamaha WR426F Base
2001 Yamaha YFM350F Wolverine 4x4 Base
2001 Yamaha YFM350X Warrior Base
2001 Yamaha YFM400 Big Bear 2x4 Base
2001 Yamaha YZ250F Base
2001 Yamaha YZ426F Base
2002 Yamaha TTR250 Base
2002 Yamaha WR250F Base
2002 Yamaha WR426F Base
2002 Yamaha YFM350F Wolverine 4x4 Base
2002 Yamaha YFM350X Warrior Base
2002 Yamaha YFM400 Big Bear 2x4 Base
2002 Yamaha YZ250F Base
2002 Yamaha YZ426F Base
2003 Yamaha TTR250 Base
2003 Yamaha YFM350F Wolverine 4x4 Base
2003 Yamaha YFM350X Warrior Base
2003 Yamaha YFM400 Big Bear 2x4 Base
2003 Yamaha YFM400 Big Bear 4x4 Base
2004 Yamaha TTR250 Base
2004 Yamaha YFM350F Wolverine 4x4 Base
2004 Yamaha YFM350X Warrior Base
2004 Yamaha YFM400 Big Bear 2x4 Base
2004 Yamaha YFM400 Big Bear 4x4 Base
2005 Yamaha TTR250 Base
2005 Yamaha YFM350 Raptor Base
2005 Yamaha YFM350F Wolverine 4x4 Base
2005 Yamaha YFM400 Big Bear 4x4 Base
2006 Yamaha TTR250 Base
2006 Yamaha YFM350 Raptor Base
2006 Yamaha YFM400 Big Bear 4x4 Base
2007 Yamaha YFM350 Raptor Base
2007 Yamaha YFM400 Big Bear IRS 4x4 Base
2008 Yamaha YFM350 Raptor Base
2008 Yamaha YFM400 Big Bear IRS 4x4 Base
2009 Yamaha YFM350 Raptor Base
2009 Yamaha YFM400 Big Bear IRS 4x4 Base
2010 Yamaha YFM350 Raptor Base
2010 Yamaha YFM400 Big Bear IRS 4x4 Base
2011 Yamaha YFM350 Raptor Base
2011 Yamaha YFM400 Big Bear IRS 4x4 Base
2012 Yamaha YFM350 Raptor Base
2012 Yamaha YFM400 Big Bear IRS 4x4 Base
2013 Yamaha YFM350 Raptor Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1