| Specification | Value |
|---|---|
| Engine Type | 4-Stroke |
| Piston Material | Aluminum Alloy / Forged |
| Riding Style | Off-Road |
| Units | Kit |
| Model | Premium Series |
| Bore Size | 77.01 mm |
| Compression Ratio | 12.5:1 |
| Product Name | Piston Kit |
| Style | Standard Size B |
| Bore - Oversize | +0.01 mm / +0,01 mm |
| Piston Size | 76.97 mm |
| Stroke Length | 53.60 mm |
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
- 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
FITMENTS
| Year | Make | Model |
|---|---|---|
| 2001-2004 | Yamaha | YZ250F |
| 2001-2013 | Yamaha | WR250F |
- Supplier:
- Parts Unlimited
