Athena 4T Ø 76.96 mm P5F0770212009B piston kit

Revitalize your Yamaha WR/YZ 250 F with the Athena 4T Piston Kit (Ø 76.96 mm, P5F0770212009B). Engineered for peak performance and durability, this top-end kit features a high-silicon aluminum alloy piston for superior thermal resistance and wear protection. Precision CNC manufacturing ensures a perfect fit and optimal engine dynamics, while advanced, Japan-made piston rings with wear-resistant coatings minimize friction for increased power output and longevity. Restore your engine to better-than-new condition with this Italian-engineered replacement kit