SKU:181958
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-40010-1K. This kit is designed to provide a comprehensive solution for restoring or enhancing your engine's top end, ensuring optimal performance and durability. Crafted with precision, the kit includes all necessary components to facilitate a seamless rebuild process, making it ideal for professional mechanics and DIY enthusiasts alike.
The NAMURA rebuild kit features high-quality parts engineered for exact fit and reliable operation. The +0.25mm (56.2mm) bore size ensures compatibility with Yamaha models requiring this specific diameter, delivering improved compression and power output. This kit includes pistons, rings, gaskets, and other essential components, all manufactured to meet or exceed OEM standards, providing peace of mind and long-lasting performance.
Designed for ease of installation, the NAMURA Top End Rebuild Kit offers a cost-effective way to bring new life to your Yamaha engine. Whether you're performing routine maintenance or a full rebuild, this kit simplifies the process and helps restore your engine to peak condition. Invest in the durability and performance of your motorcycle with the trusted quality of NAMURA, a leader in engine components for performance and reliability.
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