{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-212-ss-1800-2012-2016","title":"6S5-12121-00-00 Exhaust Valve for Yamaha 212 SS 1800 2012-2016","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThe Exhaust Valve for Yamaha 212 SS 1800 is a direct replacement engine component, cross-referenced to 6S5-12121-00-00, that regulates exhaust flow out of the cylinder head to keep your marine engine running cleanly.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve for Yamaha replaces a worn or burned valve in the 1800 engine used by the 212 SS. A properly seated valve restores compression and exhaust scavenging, helping the engine idle smoothly and hold RPM under load. It suits boat owners and mechanics handling top-end service on a Yamaha 212 SS.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM cross-reference 6S5-12121-00-00 for accurate fitment matching\u003c\/li\u003e\n\u003cli\u003eBuilt from heat-resistant alloy steel to handle sustained high exhaust temperatures\u003c\/li\u003e\n\u003cli\u003ePrecision-ground valve face for a clean seal against the valve seat\u003c\/li\u003e\n\u003cli\u003eMachined stem diameter for consistent clearance in the valve guide\u003c\/li\u003e\n\u003cli\u003eDesigned for the 1800 marine engine platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha 212 SS 1800 (2012-2016)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after a burnt or leaking exhaust valve\u003c\/li\u003e\n\u003cli\u003eCompression loss diagnosis and repair\u003c\/li\u003e\n\u003cli\u003eRoutine valve service on high-hour 1800 engines\u003c\/li\u003e\n\u003cli\u003eCylinder head refresh during off-season maintenance\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 Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine Engine\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 Do I need to replace valve seals and guides at the same time? \u003cstrong\u003eA:\u003c\/strong\u003e It is good practice to inspect and replace valve seals and check guide wear whenever an exhaust valve is changed, since worn guides accelerate new valve wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should valves be lapped or re-seated after installation? \u003cstrong\u003eA:\u003c\/strong\u003e New valves typically need to be lapped to the seat or the seat cut fresh so the face seals evenly and holds compression.\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":51065666076758,"sku":"OO1C08340","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_3984f943-1745-4c70-9295-44cb4849d5cd.jpg?v=1794394673","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-212-ss-1800-2012-2016","provider":"Solid Spare","version":"1.0","type":"link"}