{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-ar-250-1900-2024-2026","title":"6S5-12121-00-00 Exhaust Valve for Yamaha AR 250 1900 2024-2026","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 of Yamaha AR 250 1900 watercraft.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a direct replacement component for the Yamaha AR 250 1900, built to seal combustion gases and release them through the exhaust port. It is intended for riders and mechanics performing top-end service on a Yamaha AR 250 1900 from the 2024 through 2026 model years. Each valve is manufactured to match the 6S5-12121-00-00 specification for fit and function.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-ground valve face for a consistent seal against the valve seat\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction suited to exhaust-side temperatures\u003c\/li\u003e\n\u003cli\u003eStem diameter machined to OEM tolerances for proper guide fit\u003c\/li\u003e\n\u003cli\u003eDirect cross-reference to 6S5-12121-00-00 for simplified ordering\u003c\/li\u003e\n\u003cli\u003eBalanced to reduce valvetrain vibration at high RPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha AR 250 1900, 2024\u003c\/li\u003e\n\u003cli\u003efor Yamaha AR 250 1900, 2025\u003c\/li\u003e\n\u003cli\u003efor Yamaha AR 250 1900, 2026\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after compression loss or valve damage\u003c\/li\u003e\n\u003cli\u003eCylinder head service on the Yamaha AR 250 1900\u003c\/li\u003e\n\u003cli\u003eRoutine replacement during valve clearance adjustment\u003c\/li\u003e\n\u003cli\u003eRestoring exhaust sealing after overheating or carbon buildup\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha AR 250 1900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2024-2026\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, it is an aftermarket exhaust valve manufactured to cross-reference 6S5-12121-00-00. It is not produced or branded by Yamaha.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many valves should I order for a top-end service? \u003cstrong\u003eA:\u003c\/strong\u003e Valve work is typically done per cylinder, so match the quantity to the number of exhaust valves being replaced. Check your service manual for the correct count 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":51065555615830,"sku":"OO1C08132","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_66c1549c-3622-4706-834a-4fbb1db6e02d.jpg?v=1794394600","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-ar-250-1900-2024-2026","provider":"Solid Spare","version":"1.0","type":"link"}