{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-222sd-1800-2023","title":"6S5-12121-00-00 Exhaust Valve for Yamaha 222SD 1800 2023","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve (OEM cross-reference 6S5-12121-00-00) controls exhaust gas flow in the cylinder head, sealing combustion and releasing spent gases on Yamaha 222SD 1800 boats from 2023.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a direct-fit engine component that seals against the valve seat during combustion and opens to release exhaust gases on the power stroke. Built to OEM cross-reference 6S5-12121-00-00, this exhaust valve suits Yamaha 222SD 1800 marine engines from 2023 and serves boat owners handling valve replacement or top-end rebuilds.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured to OEM cross-reference 6S5-12121-00-00 for dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction suited to sustained exhaust temperatures\u003c\/li\u003e\n\u003cli\u003ePrecision-ground stem for smooth movement in the valve guide\u003c\/li\u003e\n\u003cli\u003eHardened face for reliable sealing against the valve seat\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand the constant thermal cycling of marine engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 222SD 1800, 2023\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds and valve replacement\u003c\/li\u003e\n\u003cli\u003eCylinder head service on Yamaha 222SD 1800 boats\u003c\/li\u003e\n\u003cli\u003eRestoring compression and exhaust flow after valve wear or damage\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\u003e6S5-12121-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e222SD 1800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2023\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 Is this an original Yamaha part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket exhaust valve built to OEM cross-reference 6S5-12121-00-00, not an original Yamaha product. Confirm your engine's required part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many exhaust valves does my engine need? \u003cstrong\u003eA:\u003c\/strong\u003e Valve count depends on your engine's cylinder configuration, so check your service manual to order the correct quantity. Inspect related valve train components at the same time.\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":51065658638422,"sku":"OO1C08328","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_61d05ec2-7340-4af0-9ec7-6b520165bae7.jpg?v=1794394701","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-222sd-1800-2023","provider":"Solid Spare","version":"1.0","type":"link"}