QuadBoss Ball Joint Kit

Put an end to premature ball joint failure by upgrading from the O.E.M. aluminum joint to a heavy-duty steel joint. QuadBoss® Ball Joint Kits are also a great replacement for applications that would normally require you to buy an expensive A-arm or steering knuckle.

• Heavy-duty steel cases with a POM-M90 bearing cup isolate the ball end from the case for long life
• Ball joint kit is sold per A-arm and comes with snap ring and cotter pin

Upgrade your Yamaha YFM250 Big Bear or Bruin with the QuadBoss QBS414825 heavy-duty steel ball joint kit to ensure long-lasting performance and reliability. Designed as a direct replacement for OEM aluminum joints, this kit features durable steel cases that provide superior strength under demanding conditions. The inclusion of POM-M90 bearing cups isolates the ball end from the case, reducing wear and extending the lifespan of the joint. Whether you're replacing worn-out parts or upgrading for enhanced durability, this ball joint kit offers a cost-effective alternative to more expensive A-arm or steering knuckle replacements. It is sold per A-arm and includes a snap ring and cotter pin for easy installation, making it a convenient choice for maintenance or restoration projects.

Features:

• Heavy-duty steel case for increased durability and strength

• POM-M90 bearing cup isolates the ball end from the case for longer service life

• Complete kit sold per A-arm with snap ring and cotter pin included

• Designed to fit Yamaha YFM250 Big Bear and Bruin models from 2005 to 2009

• Replaces OEM aluminum joints with a more robust steel construction

Fitment:
Yamaha YFM250 Big Bear Base 2007
Yamaha YFM250 Big Bear Base 2008
Yamaha YFM250 Big Bear Base 2009
Yamaha YFM250 Bruin Base 2005
Yamaha YFM250 Bruin Base 2006