SKU:181939
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-40011-1K complete top end rebuild kit is designed for Yamaha engines, offering a comprehensive solution to restore and enhance engine performance. This kit includes all essential components required for a thorough top end overhaul, ensuring optimal engine operation and longevity. Crafted with precision, it is ideal for enthusiasts and professionals seeking reliable quality and durability in their rebuild projects. The kit's components are engineered to match the specifications of Yamaha engines, providing a seamless fit and efficient performance. Whether you're restoring an older model or upgrading for improved power, this rebuild kit simplifies the process with everything you need in one package. Trust NAMURA's reputation for quality and precision engineering to deliver a top-end solution that meets your maintenance and performance needs.
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