- Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals
- Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2005-2022 | Yamaha | YZ125 | |
| 2022 | Yamaha | YZ125 Monster Energy Yamaha Racing Edition | |
| 2020-2022 | Yamaha | YZ125X | |