Description
Athena - 09100641 - Piston Kit - 66.34 mm - Yamaha YZ250/YZ250X
Features
- Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions
- Equipped with piston rings that guarantee less friction with the OE cylinder producing a higher performance
- Made by reverse extrusion
- For OE cylinder.
Specs
| Piston Head Shape | Domed |
| Displacement | 249 cc |
| Type | A |
| Compression Ratio Imperial | Stock |
| Product Name | Piston Kit |
| Style | Forged Race |
| Units | Kit |
| Bore Size Metric | 66.34 mm |
| Engine Type | 2-Stroke |
| Piston Material | 4032 Aluminum Alloy |
| Riding Style | Off-Road |
Fitment
| 2016-2025 | Yamaha | YZ250X |
| 1999-2025 | Yamaha | YZ250 |