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The VERTEX Top End Piston Kit designed for Yamaha YZ125/X models features a precision-engineered piston crafted from gravity-cast aluminum alloy with 18% silicone content, ensuring durability and optimal performance. The piston is heat treated with a T-5 hardening and tempering cycle, providing enhanced strength and resistance to wear under demanding conditions. Its high-tech Molybdenum Disulphite coating on the piston skirt facilitates faster break-in times and extends piston lifespan, promoting smoother engine operation.
The kit includes everything necessary for a comprehensive top-end rebuild, such as the piston, high-quality rings, wrist pins, circlips, top end gaskets, and wrist pin bearing. This complete assembly simplifies installation and ensures compatibility with Yamaha YZ125/X models, delivering improved compression and power output. Built to meet or exceed OEM specifications, this piston kit guarantees reliable performance and longevity.
Ideal for racers and enthusiasts seeking a reliable replacement or upgrade, the VERTEX piston kit offers a perfect balance of durability, efficiency, and high-performance characteristics. Whether rebuilding after a race or performing routine maintenance, this kit provides the components needed to restore your motorcycle’s top-end to factory standards and improve overall engine responsiveness.
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