{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-gp-1800-2017-2018","title":"6S5-12121-00-00 Exhaust Valve for Yamaha GP 1800 2017-2018","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve (OEM cross-reference 6S5-12121-00-00) regulates exhaust gas flow in the engine, opening and sealing at the correct moment to maintain combustion efficiency and power output.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a replacement component for the listed Yamaha watercraft, identified by OEM cross-reference 6S5-12121-00-00. It restores proper sealing in the exhaust path so the engine runs cleanly and holds compression. This exhaust valve is aimed at owners servicing the GP 1800 platform.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM cross-reference 6S5-12121-00-00 for easy matching\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand high marine exhaust temperatures\u003c\/li\u003e\n\u003cli\u003ePrecision-formed head and stem for consistent sealing\u003c\/li\u003e\n\u003cli\u003eReliable seat contact that supports steady compression\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction for continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha GP 1800, 2017-2018\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on the GP 1800 engine\u003c\/li\u003e\n\u003cli\u003eReplacing a burnt or leaking exhaust valve\u003c\/li\u003e\n\u003cli\u003eRoutine valve service and clearance adjustment\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a high-hour watercraft\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 Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha GP 1800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2017-2018\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 replace the factory Yamaha valve? \u003cstrong\u003eA:\u003c\/strong\u003e It is an aftermarket exhaust valve that cross-references OEM number 6S5-12121-00-00, so it is not an original brand item. Verify your model and serial number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many should I order? \u003cstrong\u003eA:\u003c\/strong\u003e The amount you need depends on how many exhaust valves your engine uses and which are being replaced. Check your service manual or inspect the engine before purchase.\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":51065547456598,"sku":"OO1C08119","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_7b572d56-560b-4410-86e9-f439574cd931.jpg?v=1794394596","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-gp-1800-2017-2018","provider":"Solid Spare","version":"1.0","type":"link"}