{"product_id":"6s5-12121-00-00-exhaust-valve-for-yamaha-fx-sho-1800-2008-2015","title":"6S5-12121-00-00 Exhaust Valve for Yamaha FX SHO 1800 2008-2015","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve, referenced under OEM part number 6S5-12121-00-00, controls exhaust flow in the 1800 engine used across the Yamaha FX SHO wave runner line.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a direct-fit replacement component for the 1800 engine found in the Yamaha FX SHO. It manages exhaust gas timing and flow, helping the engine run cleanly and hold steady power on the water. The exhaust valve is made for riders maintaining or rebuilding their Yamaha FX SHO between the 2008 and 2015 seasons.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for OEM part number 6S5-12121-00-00\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand the high-heat demands of the 1800 exhaust system\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for reliable sealing and consistent valve action\u003c\/li\u003e\n\u003cli\u003eEngineered to keep exhaust timing stable across the RPM range\u003c\/li\u003e\n\u003cli\u003eSized for the Yamaha FX SHO 1800 engine platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha FX SHO 1800, 2008-2015\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRoutine top-end rebuilds on the 1800 engine\u003c\/li\u003e\n\u003cli\u003eReplacing a burned or sticking exhaust valve\u003c\/li\u003e\n\u003cli\u003eRestoring factory compression and exhaust flow after a rebuild\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\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha 1800\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\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many should I order for a full engine rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e The 1800 engine uses multiple exhaust valves, so order the quantity your rebuild calls for. Match each valve to the correct cylinder position during assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this exhaust valve be installed without machine work? \u003cstrong\u003eA:\u003c\/strong\u003e It fits the standard 1800 exhaust valve seat and reinstalls in the original location. Have the valve seat inspected and the clearance checked before you run the engine.\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":51065552339030,"sku":"OO1C08123","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_25c52a5d-e737-4571-8da3-b49156c1474b.jpg?v=1794394571","url":"https:\/\/www.solidspare.com\/products\/6s5-12121-00-00-exhaust-valve-for-yamaha-fx-sho-1800-2008-2015","provider":"Solid Spare","version":"1.0","type":"link"}