{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-252sd-1900-2024-2026","title":"6S5-12121-00-00 Exhaust Valve for Yamaha 252SD 1900 2024-2026","description":"\u003ch2\u003eExhaust Valve for Yamaha 252SD\u003c\/h2\u003e\u003cp\u003eThis exhaust valve, reference 6S5-12121-00-00, controls exhaust flow in the 1900 engine used across 2024-2026 Yamaha 252SD models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a replacement component for the Yamaha 252SD equipped with the 1900 engine. The exhaust valve opens and closes at the right moment to release combustion gases, helping the engine breathe and run cleanly. It suits owners maintaining or rebuilding a 2024-2026 Yamaha 252SD who need a fresh valve that matches the original fit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM reference 6S5-12121-00-00\u003c\/li\u003e\n\u003cli\u003ePrecision-ground valve face for a clean seal against the seat\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction suited to exhaust temperatures\u003c\/li\u003e\n\u003cli\u003eStem dimensions matched to the 1900 cylinder head guide\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain proper compression and exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 252SD 1900 (2024-2026)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds on the 1900 powerplant\u003c\/li\u003e\n\u003cli\u003eReplacing a burned or leaking exhaust valve\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance for high-hour 252SD boats\u003c\/li\u003e\n\u003cli\u003eRestoring compression and exhaust sealing\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\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\u003e1900\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 Does this valve fit the 1900 engine in the 252SD? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is listed for the 2024-2026 Yamaha 252SD with the 1900 engine and matches reference 6S5-12121-00-00.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should valves be replaced as a set? \u003cstrong\u003eA:\u003c\/strong\u003e Replacing all exhaust valves at once is common practice during a top-end rebuild to keep wear consistent across the head.\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":51065639075926,"sku":"OO1C08308","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_bdb4e645-edde-4efe-9b3d-b68c2658a517.jpg?v=1794394681","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-252sd-1900-2024-2026","provider":"Solid Spare","version":"1.0","type":"link"}