Description
Features
- 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
| Position | Notes | |||
|---|---|---|---|---|
| 2015-2016 | Yamaha | YZ250FX | - | - |
| 2014-2015 | Yamaha | YZ250F | - | - |
| 2015-2017 | Yamaha | WR250F | - | - |
