

Specifications
- Brand
- QuadBoss
- Part #
- 413440
- UPC
- 887337118307

QuadBoss 07-09 amaha YFM250 Big Bear Swingarm Repair Kit
$72.69
Fits 2000-2009 Yamaha ATVs. This swingarm repair kit replaces worn bearings and bushings to restore smooth suspension movement.
Key Features
- Fits 2000-2009 Yamaha YFM250 Big Bear, YFM250 Bruin, YFM400 Big Bear 2x4, and YFM400 Big Bear 4x4.
- Needle bearing shafts are constructed from hardened and precision-ground 52100 bearing steel.
- Metal bushings are case-hardened and plated to prevent wear and corrosion.
- POM composite washer bearings replace thrust needle washers for improved service life.
- Composite bearings offer increased resistance to water and dirt intrusion.
Product Details
If you're noticing play in the rear end of your Yamaha Big Bear or Bruin, or if the suspension feels rough, it's likely time to address the swingarm bearings. This QuadBoss swingarm repair kit is designed to help you rebuild that crucial pivot point, bringing back smooth operation and stability to your ATV's rear suspension.
Inside this kit, you'll find needle bearing shafts made from hardened 52100 bearing steel, precision ground for a good fit. The metal bushings have been case-hardened and plated, which helps them stand up to wear and resist corrosion, keeping them working longer. QuadBoss also uses POM composite washer bearings in place of standard thrust needle washers. These advanced bearings offer a longer service life and are more resistant to water and dirt, which is a big plus for any off-road machine.
This kit is a solid option for anyone looking to properly rebuild their swingarm bearing assembly and get their Yamaha ATV back to feeling tight and responsive on the trail.
Specifications
- Brand
- QuadBoss
- Manufacturer Part #
- 413440
- UPC
- 887337118307
Frequently Asked Questions
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QuadBoss 07-09 amaha YFM250 Big Bear Swingarm Repair Kit




