SKU:181971
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
The NAMURA NX-40010K Complete Top End Rebuild Kit is designed specifically for Yamaha motorcycles, providing all essential components for a comprehensive engine overhaul. This kit includes high-quality parts engineered to restore optimal performance and ensure long-lasting durability. It is ideal for riders seeking a reliable solution to refresh their engine’s top end, including cylinder heads, pistons, and related components. Each part is crafted with precision to meet or exceed OEM standards, offering peace of mind during installation and operation. Whether performing routine maintenance or a full rebuild, this kit simplifies the process by providing all necessary components in one package, reducing downtime and ensuring compatibility. Trust NAMURA’s reputation for quality and performance to keep your Yamaha running smoothly.
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