{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-252se-1800-2021-2023","title":"6S5-12121-00-00 Exhaust Valve for Yamaha 252SE 1800 2021-2023","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThe Exhaust Valve for Yamaha 252SE 1800 delivers a precision replacement valve, cross-referenced to OEM part 6S5-12121-00-00, that controls exhaust flow in your engine cylinder head.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Exhaust Valve for Yamaha is a replacement engine valve that seals and releases exhaust gases from the combustion chamber during operation. The exhaust valve for Yamaha helps maintain compression, timing, and reliable exhaust flow in 1800 engines. It suits boat owners and marine mechanics servicing or rebuilding top-end components.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMachined to match OEM part 6S5-12121-00-00 dimensions\u003c\/li\u003e\n\u003cli\u003eDurable valve head construction for high-heat exhaust operation\u003c\/li\u003e\n\u003cli\u003eAccurate seat contact for consistent compression sealing\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for worn or burned exhaust valves\u003c\/li\u003e\n\u003cli\u003eSuited to 1800 engine top-end service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 252SE 1800 (2021-2023)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds or valve jobs\u003c\/li\u003e\n\u003cli\u003eReplacing burned or leaking exhaust valves\u003c\/li\u003e\n\u003cli\u003eRestoring compression and exhaust sealing in 1800 engines\u003c\/li\u003e\n\u003cli\u003eMarine shop and DIY jet boat engine service\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\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1800\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 Should exhaust valves be replaced as a set? \u003cstrong\u003eA:\u003c\/strong\u003e Many engine builders replace valves as a matched set and re-cut the seats to ensure even sealing, so consult your service manual. \u003cstrong\u003eA:\u003c\/strong\u003e Confirm your engine model and valve clearance specs before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an OEM Yamaha part? \u003cstrong\u003eA:\u003c\/strong\u003e This is a replacement Exhaust Valve for Yamaha built to OEM cross-reference 6S5-12121-00-00 and is not an original brand product. \u003cstrong\u003eA:\u003c\/strong\u003e Verify the part number against your existing component for compatibility.\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":51065639043158,"sku":"OO1C08307","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c132ac97-0103-47f2-9dcd-53d293d61095.jpg?v=1794394710","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-252se-1800-2021-2023","provider":"Solid Spare","version":"1.0","type":"link"}