| Specification | Value |
|---|---|
| Piston Material | Forged 2618 Aluminum |
| Product Name | Piston Kit |
| Skirt Coating | ArmorGlide |
| Bore - Oversize | Standard |
| Bore Size | 77.00 mm |
| Compression Ratio | 14.5:1 |
| Displacement | 250 cc |
| Engine Type | 4-Stroke |
| Model | Racer Elite Series |
| Riding Style | Off-Road |
| Piston Diameter | 76.96 mm |
| Units | Kit |
- R&D developed to provide dyno-proven power gains
- Asymmetric skirt design for improved wear and even loading on major thrust skirt
- Precision fit ring; custom-lapped compression ring for improved power
- 100% billet machined for superior strength-to-weight ratio and optimized fit
- High compression (14:1 for 450cc, 14.5:1 for 250cc) for maximum torque and throttle response
- Dome design improves flame travel to maximize air/ fuel burn efficiency
- DLC-coated piston pin reduces friction and improves scuff resistance
- Enhanced pin oiling for improved lubrication and reduced friction
- Pressure seal groove reduces ring lifting and power loss
- ArmorGlide skirt coating reduces friction for quieter operation, improved scuff resistance
- Pistons include rings, pin, and circlips
FITMENTS
| Year | Make | Model |
|---|---|---|
| 2016-2018 | Yamaha | YZ250F |
| 2018-2019 | Yamaha | WR250F |
| 2017-2019 | Yamaha | YZ250FX |
- Supplier:
- Parts Unlimited
- MAP:
- Yes
