SKU:181962
Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit
MOS2 (Teflon/Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
Machined Smooth Heads Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%
Anodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
Hypereutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures
Upgrade your Yamaha engine with the NAMURA Complete Top End Rebuild Kit, part number NX-40010-3K. Designed for precision and durability, this kit includes all necessary components for a comprehensive top end rebuild, ensuring optimal engine performance and longevity. The kit features high-quality materials built to withstand the rigors of demanding riding conditions.
Engineered for a +0.75mm (56.7mm) bore size, this rebuild kit is ideal for restoring or enhancing your Yamaha's engine. It provides a seamless fit and reliable operation, making it suitable for both professional mechanics and experienced DIY enthusiasts. The kit includes pistons, rings, gaskets, and other essential parts, all crafted to meet or exceed OEM standards.
Designed to simplify the rebuild process, the NAMURA top end kit ensures a precise fit and consistent performance. Its components are engineered to reduce wear and improve compression, helping your Yamaha deliver more power and efficiency. Trust NAMURA's reputation for quality and durability in your engine rebuild projects.
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