QuadBoss Yamaha YFM350 Swingarm Repair Kit (Part #413437) for 1987-1991 Yamaha YFM350ER & Big Bear Models

Rebuild your ATV swingarm with QuadBoss repair kits featuring hardened 52100 steel needle bearing shafts, case-hardened bushings, and POM composite washers. These premium components resist wear, corrosion, water, and dirt for longer service life across Honda, Yamaha, Suzuki, Kawasaki, and Arctic Cat models.

• Precision-ground 52100 steel shafts and case-hardened bushings ensure smooth pivot operation and corrosion resistance


• POM composite washers replace needle thrust washers for superior durability against water, dirt, and debris


• Complete kits restore OEM performance, preventing swingarm play for safer, more stable off-road handling

Restore your Yamaha YFM350's swingarm performance with the QuadBoss 92-98 Yamaha YFB250 Timberwolf swingarm repair kit. Crafted with precision-ground 52100 steel shafts and case-hardened bushings, these components ensure smooth pivot operation and resist corrosion, water, and dirt. The inclusion of POM composite washers replaces traditional needle thrust washers, providing superior durability and long-lasting performance in demanding off-road conditions. This comprehensive kit is designed to restore your OEM ride quality and prevent unwanted swingarm play, resulting in safer, more stable handling during trail rides or work tasks. Whether you're maintaining a Yamaha YFM350ER or Big Bear 4x4 from 1987 to 1991, this repair kit offers a reliable solution to extend the lifespan of your ATV's suspension components. Built from high-quality materials, these components are engineered to withstand harsh environments and provide consistent performance across various terrains. Installing this kit can significantly improve your ATV's handling, reduce maintenance costs, and ensure your vehicle remains in peak condition for years to come. Ideal for enthusiasts and professional mechanics alike, this repair kit simplifies the rebuild process and guarantees a precise fit for your specific Yamaha model. Trust QuadBoss to deliver durability, quality, and performance with every rebuild kit designed for your powersports needs.

Features:

• Precision-ground 52100 steel shafts for smooth pivot operation and corrosion resistance

• Case-hardened bushings to withstand harsh riding conditions

• POM composite washers providing superior durability against water, dirt, and debris

• Complete repair kit designed to restore OEM performance and prevent swingarm play

• Compatible with Yamaha YFM350ER and Big Bear 4x4 models from 1987 to 1991

Fitment:
Yamaha YFB250 Timberwolf 2x4 Base 1992
Yamaha YFB250 Timberwolf 2x4 Base 1993
Yamaha YFB250 Timberwolf 2x4 Base 1994
Yamaha YFB250 Timberwolf 2x4 Base 1995
Yamaha YFB250 Timberwolf 2x4 Base 1996
Yamaha YFB250 Timberwolf 2x4 Base 1997
Yamaha YFB250 Timberwolf 2x4 Base 1998
Yamaha YFB250FW Timberwolf 4x4 Base 1994
Yamaha YFB250FW Timberwolf 4x4 Base 1995
Yamaha YFB250FW Timberwolf 4x4 Base 1996
Yamaha YFB250FW Timberwolf 4x4 Base 1997
Yamaha YFB250FW Timberwolf 4x4 Base 1998
Yamaha YFB250FW Timberwolf 4x4 Base 1999
Yamaha YFB250FW Timberwolf 4x4 Base 2000
Yamaha YFM200 Moto-4 Base 1986
Yamaha YFM200 Moto-4 Base 1987
Yamaha YFM200 Moto-4 Base 1988
Yamaha YFM200 Moto-4 Base 1989
Yamaha YFM225 Moto-4 Base 1986
Yamaha YFM225 Moto-4 Base 1987
Yamaha YFM225 Moto-4 Base 1988
Yamaha YFM250 Moto-4 Base 1989
Yamaha YFM250 Moto-4 Base 1990
Yamaha YFM250 Moto-4 Base 1991
Yamaha YFM350ER Moto-4 Base 1987
Yamaha YFM350ER Moto-4 Base 1988
Yamaha YFM350ER Moto-4 Base 1989
Yamaha YFM350ER Moto-4 Base 1990
Yamaha YFM350ER Moto-4 Base 1991
Yamaha YFM350ER Moto-4 Base 1992
Yamaha YFM350ER Moto-4 Base 1993
Yamaha YFM350ER Moto-4 Base 1994
Yamaha YFM350ER Moto-4 Base 1995
Yamaha YFM350FW Big Bear 4x4 Base 1987
Yamaha YFM350FW Big Bear 4x4 Base 1988
Yamaha YFM350FW Big Bear 4x4 Base 1989
Yamaha YFM350FW Big Bear 4x4 Base 1990
Yamaha YFM350FW Big Bear 4x4 Base 1991
Yamaha YFM350FW Big Bear 4x4 Base 1992
Yamaha YFM350FW Big Bear 4x4 Base 1993
Yamaha YFM350FW Big Bear 4x4 Base 1994
Yamaha YFM350FW Big Bear 4x4 Base 1995
Yamaha YFM350FW Big Bear 4x4 Base 1996
Yamaha YFM350FW Big Bear 4x4 Base 1997
Yamaha YFM350FW Big Bear 4x4 Base 1998
Yamaha YFM350FW Big Bear 4x4 Base 1999
Yamaha YFM350U Big Bear 2x4 Base 1996
Yamaha YFM350U Big Bear 2x4 Base 1997
Yamaha YFM350U Big Bear 2x4 Base 1998
Yamaha YFM350U Big Bear 2x4 Base 1999
Yamaha YFM400F Kodiak 4x4 Base 1993
Yamaha YFM400F Kodiak 4x4 Base 1994
Yamaha YFM400F Kodiak 4x4 Base 1995
Yamaha YFM400F Kodiak 4x4 Base 1996
Yamaha YFM400F Kodiak 4x4 Base 1997
Yamaha YFM400F Kodiak 4x4 Base 1998
Yamaha YFM400F Kodiak 4x4 Base 1999
Yamaha YFM600FW Grizzly 4x4 Base 1998
Yamaha YFM600FW Grizzly 4x4 Base 1999
Yamaha YFM600FW Grizzly 4x4 Base 2000
Yamaha YFM600FW Grizzly 4x4 Base 2001
Yamaha YTM225 Tri-Moto Base 1983
Yamaha YTM225 Tri-Moto Base 1984
Yamaha YTM225 Tri-Moto Base 1985
Yamaha YTM225 Tri-Moto Base 1986