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The ProTaper Yamaha Front Sprocket (Part Number 038381) is engineered for high-performance motocross applications. Crafted from case-hardened, core-refined 655M13 nickel-chrome-molybdenum alloy steel, this sprocket ensures exceptional strength and durability. CNC machined and internally broached to exact tolerances, it guarantees a precise fitment that optimizes power transfer and reduces chain drag. The proprietary coating further enhances wear resistance and corrosion protection, extending the sprocket's lifespan and maintaining optimal performance in demanding conditions. Designed with self-cleaning mud grooves, it effectively prevents dirt buildup, ensuring consistent operation during muddy or dusty rides. Lightening holes in the sprocket reduce rotating weight, contributing to improved acceleration and handling. Suitable for Yamaha YZ85 models from 2003 to 2012, this sprocket is an essential upgrade for riders seeking durability, strength, and minimal weight. Its precise engineering and high-quality materials make it an excellent choice for competitive racing or recreational riding, providing reliable performance and longevity.
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