Scope of delivery: 2 piston rings
Benefits
- Exact fit for the listed models and piston versions.
- Hard chrome plated running face that reduces friction and cylinder wear and improves heat resistance.
- For a reliable seal between piston and cylinder.
Compatible models
| Model | Year |
|---|---|
| Yamaha YZ 250 | 1999 to 2026 |
| Yamaha YZ 250 X | 2016 to 2026 |
| Pistons in standard size |
Technical data
| Surface | Chrome-plated |
| Standard bore | 66.4 mm |
| Matching stock pistons | 5CU-11631-00-A0 · 5MW-11631-00-A0 · 5NX-11631-00-A0 · 1P8-11631-00-A0 |
| Reference numbers | 5CU-11603-10-00 · 5CU-11603-11-00 |
Scope of delivery
- 2 piston rings
Before you buy
- Check your model and year against the compatibility list.
Installation and care
- Check ring end gap and orientation to the manufacturer’s specification.
All manufacturer and brand names are used for compatibility identification only and are the property of their respective owners.


