{"product_id":"namura-standard-bore-top-end-rebuild-kit-size-a-for-yamaha-yz85-2019-2025-47-5mm","title":"Namura Standard Bore Top End Rebuild Kit Size A for Yamaha YZ85 2019-2025 47.5mm","description":"\u003ch2\u003eStandard Bore Top End Rebuild Kit Size A for Yamaha\u003c\/h2\u003e\u003cp\u003eThis Standard Bore Top End Rebuild Kit Size A is a complete piston, ring, pin, clip, and gasket set designed to restore compression and power in your Yamaha YZ85 from 2019-2025 with a 47.5mm bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Standard Bore Top End Rebuild Kit Size A provides everything needed to refresh the top end of your Yamaha YZ85, delivering reliable performance and consistent compression for off-road riding. This rebuild kit is engineered for the 47.5mm bore size and fits the 2019-2025 model range.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes forged piston for high-strength and reduced expansion\u003c\/li\u003e\n\u003cli\u003ePrecision-ground rings ensure optimal seal and compression\u003c\/li\u003e\n\u003cli\u003eComplete gasket set prevents leaks and simplifies installation\u003c\/li\u003e\n\u003cli\u003eWrist pin and clips included for a secure connection\u003c\/li\u003e\n\u003cli\u003eManufactured to meet OEM specifications for lasting durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ85 2019-2025\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuild for motocross and trail riding\u003c\/li\u003e\n\u003cli\u003eRestores performance after extended use or engine failure\u003c\/li\u003e\n\u003cli\u003eIdeal for routine maintenance and engine overhauls\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\u003e47.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop End Rebuild Kit Size A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ85 2019-2025\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 kit include the cylinder head gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit contains all necessary gaskets for a complete top end install, including the base gasket, head gasket, and exhaust gasket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can the piston be used with other bore sizes? \u003cstrong\u003eA:\u003c\/strong\u003e No, this piston is marked Size A and is only suitable for a 47.5mm standard bore; using it outside this specification will cause poor fit and damage.\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":44890907934806,"sku":"SZ1F13549","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_1e0319f7-4cad-47c0-9dc6-3998f1d25c7e.jpg?v=1781144263","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-rebuild-kit-size-a-for-yamaha-yz85-2019-2025-47-5mm","provider":"Solid Spare","version":"1.0","type":"link"}