{"product_id":"namura-040-over-bore-piston-kit-for-yamaha-kodiak-450-4x4-auto-2018-2025-85-5mm","title":"Namura .040 Over Bore Piston Kit for Yamaha Kodiak 450 4x4 Auto 2018-2025 85.5mm","description":"\u003ch2\u003e.040 Over Bore Piston Kit for Yamaha Kodiak 450\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit replaces the factory piston in a Yamaha Kodiak 450 4x4 Auto, providing a precision-machined upgrade to restore engine performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit is a direct-fit replacement for the Yamaha Kodiak 450 ATV engine, featuring a .040 oversize bore to clean up cylinder wear and restore compression. Ideal for rebuilds or performance upgrades, the kit includes all necessary components for a reliable installation. The piston kit ensures a smooth return to peak power.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMade from high-strength aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to .040 oversize to match worn cylinders\u003c\/li\u003e\n\u003cli\u003eIncludes premium piston rings for optimal seal\u003c\/li\u003e\n\u003cli\u003eComplete kit with wrist pin and circlips\u003c\/li\u003e\n\u003cli\u003eDirect replacement for factory piston assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Kodiak 450 4x4 Auto (2018-2025)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and recreational ATV use\u003c\/li\u003e\n\u003cli\u003eUtility work on farms and ranches\u003c\/li\u003e\n\u003cli\u003eHunting and outdoor exploration\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and performance restoration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 in (1.0mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Kodiak 450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston kit require any machining? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder must be bored to the corresponding oversize dimension by a qualified machine shop before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this piston be used with the original cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, it is designed for a .040 over bore and requires the cylinder to be machined to match the new piston diameter.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949741043798,"sku":"SZ1F13748","price":180.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_a7919f7f-fb56-42b1-abee-f841fe4426a2.jpg?v=1781397592","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-yamaha-kodiak-450-4x4-auto-2018-2025-85-5mm","provider":"Solid Spare","version":"1.0","type":"link"}