Wiseco Yamaha YZ250F 01-04 13.51 CR 7700YC Piston kit

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for. 77.00 mm Bore - 13.5:1 CR

• Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
• Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
• Performance-Enhancing Features: Varied across applications to maximize both durability and power
• Improved tensile strength of forged material optimizes strength and service life
• Designed and built for each specific 4-stroke powersports engine
• Dedicated forgings allow for optimized strength-to-weight ratio
• Includes high-quality piston rings, wrist pin(s), and circlips
• Engineered, forged, and machined in the USA in Mentor, OH
• 77.00 mm Bore, 13.5:1 CR