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The WiseCo RE825M09700 piston kit is engineered for high-performance Yamaha YZ450F, FX, and WR450F models. Crafted from 100% billet machined aluminum, this piston offers an exceptional strength-to-weight ratio, ensuring durability and optimized fit for demanding riding conditions. The precision-fit ring and custom-lapped compression ring work together to improve power output and enhance throttle response, delivering maximum performance on the trail or track. With high compression ratios of 14:1 for 450cc and 14.5:1 for 250cc applications, this piston maximizes torque and fuel efficiency. The dome design enhances flame travel, promoting more complete combustion and increasing overall engine efficiency. The asymmetric skirt design ensures even wear and improved durability by promoting balanced loading on the major thrust skirt, reducing uneven wear over time. A pressure seal groove minimizes ring lifting and power loss, further contributing to consistent engine performance. The ArmorGlide® skirt coating reduces friction and noise while boosting scuff resistance, leading to quieter operation and extended piston life. The DLC-coated piston pin decreases friction and enhances scuff resistance, while the enhanced pin oiling system improves lubrication, reducing wear. This piston kit includes rings, pin, and circlips, offering a comprehensive upgrade for serious riders seeking reliable, high-performance engine components. Made in the USA, the WiseCo RE825M09700 piston kit is designed to deliver sustained power gains and engine efficiency, making it an ideal choice for competitive racing and demanding off-road adventures.
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