{"product_id":"85cc-cylinder-piston-gasket-top-end-kit-for-2002-2020-yamaha-yz85-4es-11311-30","title":"85cc Cylinder Piston Gasket Top End Kit for 2002-2020 Yamaha YZ85 4ES-11311-30","description":"\u003ch2\u003e85cc Cylinder Piston Gasket Top End Kit for Yamaha YZ85\u003c\/h2\u003e\u003cp\u003eThis 85cc top end kit for Yamaha YZ85 combines a cylinder, piston, and gasket set to restore compression and top end power, with the cylinder cross-referencing OEM part number 4ES-11311-30 for straightforward replacement.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe 85cc Cylinder Piston Gasket Top End Kit for Yamaha YZ85 delivers the core components needed to rebuild a worn or damaged top end in one package. It restores compression, combustion efficiency, and usable power so the bike runs cleanly through the rev range. This YZ85 top end kit suits riders and mechanics handling routine rebuilds or mid-season refreshes on 2002-2020 machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder, piston, and gasket set supplied together for a complete top end rebuild\u003c\/li\u003e\n\u003cli\u003eCylinder casting cross-references OEM part number 4ES-11311-30 for fitment confirmation\u003c\/li\u003e\n\u003cli\u003e85cc displacement matches the stock YZ85 bore and stroke\u003c\/li\u003e\n\u003cli\u003eGasket set seals the cylinder base, head, and related joints during assembly\u003c\/li\u003e\n\u003cli\u003eComponents produced to dimensional tolerances that support consistent compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ85 2002\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ85 2003\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ85 2004\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ85 2005\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ85 2006 through 2020 model years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds after a piston seize or loss of compression\u003c\/li\u003e\n\u003cli\u003eScheduled maintenance on motocross and trail ridden YZ85 machines\u003c\/li\u003e\n\u003cli\u003eRefreshing a used bike before a season of riding\u003c\/li\u003e\n\u003cli\u003eRebuilding a race bike between events\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4ES-11311-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder, piston, gasket set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2002-2020\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 everything needed for a top end rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e It supplies the cylinder, piston, and gasket set, so check the listing contents against any bearings, clips, or small parts your service manual calls for. \u003cstrong\u003eA:\u003c\/strong\u003e Measure the old bore and confirm your model year uses the 4ES-11311-30 cylinder before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this myself? \u003cstrong\u003eA:\u003c\/strong\u003e A top end rebuild calls for basic mechanical skill, a torque wrench, and clean assembly practices. Follow the factory service specs for torque values and break-in.\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":50554062045270,"sku":"ZZ3M03318","price":136.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_63ad8ba5-4443-4eb6-8b6e-ccef20cbeef8.jpg?v=1790879928","url":"https:\/\/www.solidspare.com\/products\/85cc-cylinder-piston-gasket-top-end-kit-for-2002-2020-yamaha-yz85-4es-11311-30","provider":"Solid Spare","version":"1.0","type":"link"}