- 52100 bearing steel is used in these rebuild kits for motocross, off-road, and dual-purpose bikes
- Kits include all the bearings, seals, shafts and spacers required for a complete rebuild
- Thrust bearings are replaced with Teflon® bearings, which perform better in dirt and water
- Expansive application chart covers bikes from the 70's to present
- Imported
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 1999-2004 | Yamaha | Bear Tracker 250 YFM250X | |
| 2007-2008 | Yamaha | Big Bear 250 YFM250B | |
| 2001-2002 | Yamaha | Big Bear 400 YFM400 | |
| 2004 | Yamaha | Big Bear 400 YFM400 | |
| 2000-2002 | Yamaha | Big Bear 400 YFM400F 4x4 | |
| 2004-2006 | Yamaha | Big Bear 400 YFM400F 4x4 | |
| 2003 | Yamaha | Big Bear 400 YFM400FW 4x4 | |
| 2003 | Yamaha | Big Bear 400 YFM400N | |
| 2005-2006 | Yamaha | Bruin 250 YFM250B | |