{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-sx-250-1800-2021-2023-pwc","title":"6S5-12121-00-00 Exhaust Valve for Yamaha SX 250 1800 2021-2023 PWC","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve for Yamaha, part number 6S5-12121-00-00, manages exhaust gas flow out of the combustion chamber for reliable engine operation.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a direct-fit replacement for Yamaha SX 250 models from 2021 through 2023. It opens and closes at the correct point in the combustion cycle, helping preserve compression and engine output. Built for riders and mechanics performing top-end service or a full rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM cross-reference 6S5-12121-00-00 for precise fitment\u003c\/li\u003e\n\u003cli\u003eConstructed from heat-resistant alloy steel for high-temperature exhaust exposure\u003c\/li\u003e\n\u003cli\u003eMachined valve face for a reliable seal against the valve seat\u003c\/li\u003e\n\u003cli\u003eDesigned to match original stem dimensions for drop-in installation\u003c\/li\u003e\n\u003cli\u003eSuited to high-rpm two-stroke engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha SX 250 2021\u003c\/li\u003e\n\u003cli\u003efor Yamaha SX 250 2022\u003c\/li\u003e\n\u003cli\u003efor Yamaha SX 250 2023\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds and cylinder head service\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a worn or burnt valve\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance on high-hour SX 250 engines\u003c\/li\u003e\n\u003cli\u003ePerformance refresh before race season\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\u003eMachine Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha SX 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2021-2023\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 valve an original Yamaha part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket exhaust valve that cross-references OEM number 6S5-12121-00-00. Always verify your machine's part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I replace valve seals at the same time? \u003cstrong\u003eA:\u003c\/strong\u003e Replacing seals, guides, and retaining hardware during a valve job is good practice. Confirm all related part numbers for your specific machine.\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":51065539035222,"sku":"OO1C08109","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_94427529-b049-4f31-bc2a-13e46e29878b.jpg?v=1794394573","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-sx-250-1800-2021-2023-pwc","provider":"Solid Spare","version":"1.0","type":"link"}