SKU:180997
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 NA-20070-4K Top End Repair Kit is designed to provide a comprehensive solution for maintaining and repairing Yamaha outboard engines. This kit includes high-quality components engineered to restore optimal performance and extend the life of your engine.
Constructed with durable materials, the kit features essential parts needed for top-end repairs, ensuring a precise fit and reliable operation. Whether you're performing routine maintenance or addressing specific engine issues, this repair kit simplifies the process and helps you get back on the water quickly.
Easy to install and compatible with various Yamaha models, the Namura NA-20070-4K kit offers excellent value by combining quality, convenience, and compatibility. Trust in Namura’s reputation for manufacturing dependable marine engine components to keep your outboard running smoothly for seasons to come.
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