{"product_id":"namura-040-over-bore-piston-kit-for-yamaha-2002-2018-yz85-48-5mm","title":"Namura .040 Over Bore Piston Kit for Yamaha 2002-2018 YZ85 48.5mm","description":"\u003ch2\u003eNamura .040 Over Bore Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis .040 over bore piston kit provides a 48.5mm piston for Yamaha YZ85 models from 2002 to 2018, restoring engine performance after a cylinder bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura piston kit is an aftermarket .040 over bore piston kit designed for Yamaha YZ85 motorcycles. The piston kit includes a 48.5mm piston, rings, wrist pin, and circlips for a complete top end rebuild. Ideal for maintaining or upgrading your Yamaha YZ85 engine, this piston kit delivers reliable performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-silicone aluminum alloy for strength and heat dissipation\u003c\/li\u003e\n\u003cli\u003eIncludes premium piston rings for optimal compression\u003c\/li\u003e\n\u003cli\u003eCNC-machined wrist pin for precise fit\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to .040 over bore specification\u003c\/li\u003e\n\u003cli\u003eKit includes all necessary components for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ85 (2002-2018)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompetitive motocross racing\u003c\/li\u003e\n\u003cli\u003eTrail riding and enduro\u003c\/li\u003e\n\u003cli\u003eRecreational off-road riding\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and top-end overhauls\u003c\/li\u003e\n\u003cli\u003eHigh-performance tuning applications\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\u003e48.5mm (0.040 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ85 (2002-2018)\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 What is the benefit of a .040 over bore piston kit? \u003cstrong\u003eA:\u003c\/strong\u003e It allows you to refresh a worn cylinder by boring it to a larger size, restoring compression and performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this kit compatible with stock Yamaha YZ85 pistons? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket kit from Namura, not OEM, but designed as a direct replacement for the .040 over bore size.\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":44890359136342,"sku":"SZ1F10362","price":104.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_af5d8e0d-0503-4f87-a712-a03ff88826d0.jpg?v=1781138283","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-yamaha-2002-2018-yz85-48-5mm","provider":"Solid Spare","version":"1.0","type":"link"}