Description
A worn or leaking crank seal will compromise engine compression and allow contamination into your bottom end—both costly problems that compromise reliability and performance. The PROX Crank Seal Kit includes every seal required for a complete crank rebuild, eliminating the guesswork and risk of partial repairs. Choose OEM-quality seals to restore your YZ125 to proper specifications without cutting corners.
- Fits: Yamaha YZ125
- MPN: 42.2225
- Type: Complete crank seal kit
- Quality: OEM-equivalent
- All seals included
- Installation: Requires crank removal
- Material: Rubber and metal composites









