How to Install your 1994 through 2001 Yamaha YZ125 Cylinder
The Tools You Will Need
- The Tools You Will Need To Service Your YZ125 Top End:
- Foot-Pound Torque Wrench → https://amzn.to/3FVEdr3
- Safety Glasses → https://bulltru.com
- Dremel with Sanding Disc → https://amzn.to/407t6l3
- 2-Stroke Oil → https://amzn.to/3WnyXSl
- Assembly Lube → https://amzn.to/4ar8mty
- Calipers → https://amzn.to/3BRoCXX
- Brake Cleaner → https://amzn.to/4jv9v7a
- Telescoping Bore Gauges → https://amzn.to/4g5reiE
- Feeler Gauge → https://amzn.to/4hd7qen
- Cylinder Brush → https://amzn.to/3W7Trhv
- 8mm Socket
- 10mm Socket
- ¼” Socket Wrench
- ⅜” Socket Wrench
The Specialty Tools You Will Need Are:
- Motion Pro Torque Wrench Adapter → https://amzn.to/3IUQnSg
- Machinists Straight Edge → https://amzn.to/4g4fSM1
Pre-Service Notes
- I recommend opening the Service & Torque Specs in a new tab for easy reference.
- If you need parts and tools, make sure to buy them here! → https://amzn.to/4h4lDKq
If you have any questions, please let me in the comments, or send me a DM!
| ← Piston Install | Cylinder Head Install → |
Follow Fix Your Dirt Bike!



