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 Top End Repair Kit NA-80005-4K is designed to restore and maintain the performance of Yamaha outboard engines. This comprehensive kit includes all essential components needed for top-end repairs, ensuring a reliable and efficient rebuild process. Crafted with precision, the NAMURA kit offers high-quality parts that meet or exceed OEM standards to provide durability and optimal engine performance. Whether performing routine maintenance or addressing specific engine issues, this kit simplifies the repair process, saving time and effort.
Constructed with durability in mind, the NAMURA Top End Repair Kit features components resistant to wear and corrosion, suitable for marine environments. It is ideal for boat owners and marine technicians seeking a trusted solution for top-end repairs. The kit's design ensures a perfect fit, reducing the risk of installation errors and promoting long-lasting engine health. Trust NAMURA’s expertise to keep your Yamaha outboard running smoothly for seasons to come.
Features:
- Comprehensive repair kit containing all necessary components for top-end rebuilds
- High-quality parts designed to meet or exceed OEM standards
- Corrosion and wear-resistant materials suitable for marine conditions
- Easy to install, simplifying the repair process
- Ideal for Yamaha outboard engines, ensuring reliable performance
