{"product_id":"namura-standard-bore-cylinder-piston-gasket-kit-for-yamaha-yz125-2005-2021-54mm","title":"Namura Standard Bore Cylinder Piston Gasket Kit for Yamaha YZ125 2005-2021 54mm","description":"\u003ch2\u003eNamura Standard Bore Cylinder Piston Gasket Kit for Yamaha YZ125\u003c\/h2\u003e\u003cp\u003eThis kit includes a 54mm standard bore cylinder piston assembly and all necessary gaskets for rebuilding the top end of Yamaha YZ125 models from 2005 to 2021.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura standard bore cylinder piston gasket kit provides everything needed to restore compression and performance in a Yamaha YZ125. This 54mm bore kit includes a cast piston, rings, and full gasket set for a complete top-end overhaul. Designed for 2005-2021 YZ125 models, it is a reliable choice for maintaining engine power and reliability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast aluminum piston with precision-machined ring grooves for consistent sealing\u003c\/li\u003e\n\u003cli\u003eIncludes cylinder base gasket, head gasket, and exhaust gasket\u003c\/li\u003e\n\u003cli\u003eStandard bore dimensions match OEM specifications for easy installation\u003c\/li\u003e\n\u003cli\u003ePiston rings pre-gapped for quick assembly\u003c\/li\u003e\n\u003cli\u003eDurable construction withstands high-rpm operation\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 on tracks requiring frequent top-end rebuilds\u003c\/li\u003e\n\u003cli\u003eOff‑road trail riding where reliable engine performance is essential\u003c\/li\u003e\n\u003cli\u003eEnduro and hare scramble events demanding durable components\u003c\/li\u003e\n\u003cli\u003eRecreational riding and practice sessions for consistent engine output\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ125 (2005-2021)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, cylinder gaskets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard bore cylinder piston gasket kit\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 Do I need to hone the cylinder before installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, always inspect and hone the cylinder to match the new piston and rings for proper break-in.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the gaskets included compatible with OEM specifications? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they are designed to meet OEM dimensions for a precise seal.\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":44949988376662,"sku":"SZ1F16823","price":659.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4ed86150-9d0a-444b-99ed-c6f8fc76a207.jpg?v=1781402072","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-cylinder-piston-gasket-kit-for-yamaha-yz125-2005-2021-54mm","provider":"Solid Spare","version":"1.0","type":"link"}