{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-242-ltd-s-e-series-1800-2016-2019","title":"6S5-12121-00-00 Exhaust Valve for Yamaha 242 LTD S E-Series 1800 2016-2019","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve is a direct replacement component for Yamaha 1800 series marine engines, carrying OEM cross-reference 6S5-12121-00-00 for straightforward identification.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve for Yamaha is a precision-engineered engine component designed to regulate exhaust gas flow in 1800 series marine engines. The exhaust valve for Yamaha plays a critical role in maintaining proper compression and combustion cycles. Built to OEM-spec dimensions, this exhaust valve for Yamaha is suited to owners performing top-end engine service or rebuilds.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured to OEM cross-reference 6S5-12121-00-00 specifications\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction for sustained high-RPM marine use\u003c\/li\u003e\n\u003cli\u003ePrecision-ground stem and seat face for a tight seal\u003c\/li\u003e\n\u003cli\u003eDesigned for 1800cc Yamaha marine engine platforms\u003c\/li\u003e\n\u003cli\u003eDirect drop-in fitment with no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha 242 LTD S E-Series 1800 (2016-2019)\u003c\/li\u003e\n\u003cli\u003efor Yamaha 242 series 1800 engines using part 6S5-12121-00-00\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on Yamaha 1800 marine engines\u003c\/li\u003e\n\u003cli\u003eValve replacement during cylinder head service\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-hour jet boat engines\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine\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 No, this is an aftermarket replacement exhaust valve built to OEM specifications and cross-referenced to part number 6S5-12121-00-00. It is not manufactured by Yamaha.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many valves should I replace at once? \u003cstrong\u003eA:\u003c\/strong\u003e It is common practice to inspect and replace valves as a set during a top-end service. Confirm the required quantity for your specific cylinder head 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":51065649791062,"sku":"OO1C08317","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_2cfd09df-a0ae-412b-92ab-241afa134fa9.jpg?v=1794394686","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-242-ltd-s-e-series-1800-2016-2019","provider":"Solid Spare","version":"1.0","type":"link"}