Description
Wossner - 09106139 - Piston Kit - 76.97 mm - Yamaha
Features
- Lightweight piston with a tight piston wall clearance for a quieter running engine
- Skirt coated for reduced friction and improved break in performance
- Ring land treatment for improved ring seal and oil control
- Double bridged forging design where noted
- Kit includes piston, rings, wrist pin and pin locks
Specs
| Model | Premium Series |
| Style | Standard Size B |
| Units | Kit |
| Piston Material | Aluminum Alloy |
| Bore - Oversize Metric | +0.01 mm |
| Stroke Length Metric | 53.60 mm |
| Bore Size Metric | 77.01 mm |
| Engine Type | 4-Stroke |
| Bore - Oversize | +0,01 mm |
| Piston Material | Forged |
| Piston Size Metric | 76.97 mm |
| Product Name | Piston Kit |
| Compression Ratio Imperial | 14.0:1 |
| Riding Style | Off-Road |
Fitment
| 2020-2023 | Yamaha | WR250F |
| 2019-2024 | Yamaha | YZ250F |
| 2020-2024 | Yamaha | YZ250FX |