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The PROX Piston Kit (Part Number 01.2798.000) is designed to deliver exceptional performance and durability for Yamaha triple-cylinder engines. Crafted from hypereutectic alloy, this piston provides increased strength and reduced thermal expansion, ensuring reliable operation under demanding conditions. The dedicated tooling and precision molding process guarantee high-quality construction, promoting consistent performance and longevity.
Equipping this kit is a special dual-ring setup that enhances durability and wear resistance, extending the piston’s service life. The Full MOS2 skirt coating offers superior breaking-in capabilities and resistance to scuffing, which is critical during initial startup and throughout the piston’s lifespan. Additionally, the anodized piston dome provides extra protection against excessive heat, helping maintain optimal engine temperatures and prevent deformation.
High-quality Riken rings are included to ensure effective sealing and heat transfer, which are essential for maintaining compression and engine efficiency. The kit comprises the piston, rings, wrist pin, clips, and a top-end bearing, providing all necessary components for a complete installation. Whether rebuilding or upgrading, this PROX piston kit is designed to meet the rigorous demands of high-performance Yamaha triple engines, ensuring smooth operation and reliable power output.
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