Ensure optimal performance and longevity of your Yamaha YFM400 Big Bear’s swingarm assembly with the QuadBoss Part 413440 repair kit. Crafted with high-quality materials, the needle bearing shafts are made from 52100 bearing steel, which has been hardened and precision ground to deliver excellent durability and smooth operation. All metal bushings are case-hardened and plated to resist wear and corrosion, ensuring your vehicle stays in top condition under demanding conditions. The kit also includes POM composite washer bearings that replace traditional thrust needle washers, providing increased service life and superior resistance to water, dirt, and debris. This makes the repair kit ideal for off-road environments where exposure to harsh elements is common, helping you maintain reliable and consistent performance over time. Designed specifically for Yamaha YFM400 Big Bear models from 2000 through 2004, this kit offers a perfect fit, simplifying installation and reducing downtime. Whether you’re performing routine maintenance or repairing an existing issue, the QuadBoss swingarm repair kit provides a comprehensive solution to restore your ATV’s handling and stability. Trust in the quality of QuadBoss to keep your powersports vehicle operating at peak performance in demanding conditions.

Features:

• Made from hardened 52100 bearing steel for durability and precision fit

• Case-hardened and plated metal bushings for wear and corrosion resistance

• POM composite washer bearings for increased service life and water resistance

• Designed specifically for Yamaha YFM400 Big Bear models from 2000 to 2004

• Easy to install, restoring optimal swingarm function

Fitment:
2000 Yamaha YFM400 Big Bear 2x4 Base
2000 Yamaha YFM400 Big Bear 4x4 Base
2001 Yamaha YFM400 Big Bear 2x4 Base
2001 Yamaha YFM400 Big Bear 4x4 Base
2002 Yamaha YFM400 Big Bear 2x4 Base
2002 Yamaha YFM400 Big Bear 4x4 Base
2003 Yamaha YFM400 Big Bear 2x4 Base
2003 Yamaha YFM400 Big Bear 4x4 Base
2004 Yamaha YFM400 Big Bear 2x4 Base
2004 Yamaha YFM400 Big Bear 4x4 Base
2005 Yamaha YFM250 Bruin Base
2005 Yamaha YFM400 Big Bear 4x4 Base
2006 Yamaha YFM250 Bruin Base
2006 Yamaha YFM400 Big Bear 4x4 Base
2007 Yamaha YFM250 Big Bear Base
2008 Yamaha YFM250 Big Bear Base
2009 Yamaha YFM250 Big Bear Base