{"product_id":"namura-standard-bore-top-end-kit-for-yamaha-big-bear-400-1993-1999-kodiak-83mm","title":"Namura Standard Bore Top End Kit for Yamaha Big Bear 400 \u0026 1993-1999 Kodiak 83mm","description":"\u003ch2\u003eStandard Bore Top End Kit for Yamaha Big Bear 400 \u0026amp; Kodiak 83mm\u003c\/h2\u003e\u003cp\u003eThis top end kit includes piston, rings, wrist pin, and gaskets to restore engine compression and performance for Yamaha Big Bear 400 and 1993-1999 Kodiak ATVs.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eDesigned as a direct replacement top end kit for Yamaha Big Bear 400 and Kodiak ATVs, this standard bore kit restores lost compression and power. It includes a high-quality piston, rings, and wrist pin for a reliable rebuild. Ideal for owners looking to refresh their engine top end without boring the cylinder.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston matches OEM specifications for proper fit\u003c\/li\u003e\n\u003cli\u003eHigh-strength rings provide consistent sealing and oil control\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary gaskets for a complete top end overhaul\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips are heat-treated for durability\u003c\/li\u003e\n\u003cli\u003eBalanced piston design reduces vibration during operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Big Bear 400\u003c\/li\u003e\n\u003cli\u003efor Yamaha Kodiak (1993-1999)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and recreational off-road use\u003c\/li\u003e\n\u003cli\u003eFarm and ranch utility tasks requiring reliable power\u003c\/li\u003e\n\u003cli\u003eHunting and outdoor expeditions where engine dependability is critical\u003c\/li\u003e\n\u003cli\u003eRestoring top end performance on high-mileage ATVs\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 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e83mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore\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 What is included in the top end kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit typically includes a piston, rings, wrist pin, circlips, and necessary gaskets for a complete top end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder before installation? \u003cstrong\u003eA:\u003c\/strong\u003e For a standard bore kit, the cylinder must be within factory specifications; a light hone is recommended for proper ring seating.\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":44949764145238,"sku":"SZ1F14366","price":208.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e4de1d2e-063a-408b-a1b0-2ed0ab2d4b99.jpg?v=1781398365","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-kit-for-yamaha-big-bear-400-1993-1999-kodiak-83mm","provider":"Solid Spare","version":"1.0","type":"link"}