{"product_id":"namura-complete-top-end-rebuild-kit-for-yamaha-55-98mm-part-number-nx-40011k","title":"NAMURA Complete Top End Rebuild Kit for Yamaha 55.98mm - Part Number NX-40011K","description":"\u003cp\u003eTop End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit\u003c\/p\u003e\u003cp\u003eMOS2 (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\u003c\/p\u003e\u003cp\u003eMachined 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%\u003c\/p\u003e\u003cp\u003eAnodized Domes Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons\u003c\/p\u003e\u003cp\u003eHypereutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures \u003c\/p\u003e\n\u003cp\u003eThe NAMURA NX-40011K complete top end rebuild kit is designed to restore your Yamaha engine's performance with precision and reliability. This comprehensive kit includes all essential components for a thorough top end overhaul, ensuring your motorcycle runs like new. Crafted with high-quality materials, the kit provides durability and excellent fitment for Yamaha models requiring a 55.98mm bore size. Whether you're performing maintenance or rebuilding after engine wear, this kit offers the right solution to achieve optimal engine performance.\u003c\/p\u003e\u003cp\u003eEach component in the NAMURA NX-40011K kit is engineered to meet or exceed OEM standards, providing peace of mind during installation. The kit's design facilitates a straightforward rebuild process, saving time and effort while ensuring long-lasting results. Ideal for professional mechanics and experienced DIY enthusiasts, this top end rebuild kit helps maintain engine integrity and power output. Trust NAMURA's reputation for quality and precision with this comprehensive Yamaha engine rebuild solution.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete top end rebuild kit designed for Yamaha engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes all necessary components for a full overhaul\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngine bore size: 55.98mm for precise fitment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-quality materials ensure durability and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy to install, suitable for professional and DIY use\u003c\/li\u003e\u003c\/ul\u003e","brand":"NAMURA","offers":[{"title":"Default Title","offer_id":50000429613296,"sku":"181972","price":78.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/1980\/5424\/files\/LG4D617B98-0E47-45B7-9FC8-F75872E25871.jpg?v=1783654069","url":"https:\/\/sublimepowersports.com\/products\/namura-complete-top-end-rebuild-kit-for-yamaha-55-98mm-part-number-nx-40011k","provider":"Sublime Powersports","version":"1.0","type":"link"}