{"product_id":"namura-size-a-standard-bore-top-end-repair-kit-for-yamaha-yz125-2005-2021-54mm","title":"Namura Size A Standard Bore Top End Repair Kit for Yamaha YZ125 2005-2021 54mm","description":"\u003ch2\u003eNamura Size A Standard Bore Top End Repair Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis top end repair kit is a complete cylinder and piston assembly for Yamaha YZ125 motorcycles, sized at 54mm standard bore, restoring compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura size A standard bore top end repair kit is designed for Yamaha YZ125 engines from 2005 to 2021, providing a direct replacement for the original cylinder, piston, and rings. This top end repair kit ensures proper sealing and compression, restoring lost performance in your YZ125. Ideal for motocross and off-road use, this top end repair kit is a cost-effective solution for engine refresh.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e54mm standard bore piston with precision-machined rings\u003c\/li\u003e\n\u003cli\u003ePlated cylinder for durability and heat dissipation\u003c\/li\u003e\n\u003cli\u003eIncludes piston pin, clips, and gasket set\u003c\/li\u003e\n\u003cli\u003eMatched to size A standard specifications for accurate fit\u003c\/li\u003e\n\u003cli\u003eCompatible with 2005-2021 Yamaha YZ125 engines\u003c\/li\u003e\n\u003cli\u003eOEM replacement quality without the dealer price\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ125 (2005-2021)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing and practice sessions\u003c\/li\u003e\n\u003cli\u003eTrail riding and enduro competitions\u003c\/li\u003e\n\u003cli\u003eEngine top end rebuilds for high-hour motorcycles\u003c\/li\u003e\n\u003cli\u003eRestoration of performance after piston wear or seizure\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\u003e54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2005-2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize A Standard 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 Does this kit include the cylinder head? \u003cstrong\u003eA:\u003c\/strong\u003e No, this top end repair kit includes the cylinder, piston, rings, pin, clips, and gaskets. The cylinder head is not included and must be reused or purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this kit on a 2003 YZ125? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for 2005-2021 YZ125 models. Earlier models may have different bore sizes or porting; verify your engine model before ordering.\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":44890693795926,"sku":"SZ1F12685","price":153.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_5c977536-d0ee-4cd6-82ba-d8887fae16dc.jpg?v=1781143076","url":"https:\/\/www.solidspare.com\/products\/namura-size-a-standard-bore-top-end-repair-kit-for-yamaha-yz125-2005-2021-54mm","provider":"Solid Spare","version":"1.0","type":"link"}