Wiseco Racer Elite CR Series Piston Kit Yamaha YZ250F / YZ250FX / WR250F

100% billet machined for superior strength-to-weight ratio and optimized fit. Dome design improves flame travel to maximize air/fuel burn efficiency. High compression for maximum torque and throttle response. Developed with dyno-proven power gains.

Features:

• Developed to provide dyno-proven power gains
• Asymmetric skirt design for improved wear and even loading on major thrust skirt
• 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
• Made in the USA

Includes:

• Piston
• Rings
• Wrist pin
• Circlips

Note: Images are for reference only, actual kit will vary per make and model.