{"product_id":"420854354-power-valve-for-sea-doo-gsx-rfi-800-1999-2001","title":"420854354 Power Valve for Sea-Doo GSX RFI 800 1999-2001","description":"\u003ch2\u003ePower Valve for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis power valve, part number 420854354, is the exhaust valve component that regulates exhaust timing in the Rotax 800 RFI engine, helping maintain strong low-end response and top-end pull for Sea-Doo riders.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis power valve for Sea-Doo is a direct-fit replacement for the exhaust timing valve used on GSX RFI 800 models from 1999 to 2001. The power valve controls the exhaust port height, which sharpens acceleration off idle while keeping top-end power strong across the RPM range. It suits riders maintaining or rebuilding a Sea-Doo 800 RFI engine who need a dependable valve for part number 420854354.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for part number 420854354\u003c\/li\u003e\n\u003cli\u003eControls exhaust port timing for stronger mid-range power\u003c\/li\u003e\n\u003cli\u003eDesigned for the Rotax 800 RFI engine platform\u003c\/li\u003e\n\u003cli\u003eConstructed from durable metal for marine exhaust conditions\u003c\/li\u003e\n\u003cli\u003eHelps restore factory valve response when originals wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo GSX RFI 800, 1999-2001\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end and mid-range rebuilds on GSX RFI 800 watercraft\u003c\/li\u003e\n\u003cli\u003eRestoring exhaust valve function on high-hour 800 RFI engines\u003c\/li\u003e\n\u003cli\u003eRoutine power valve maintenance and cleaning replacements\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\u003e420854354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower 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\u003eRotax 800 RFI\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 power valve fit both GSX RFI 800 and other 800 RFI models? \u003cstrong\u003eA:\u003c\/strong\u003e This listing covers the GSX RFI 800 from 1999 to 2001, so confirm your model and serial number before ordering. \u003cstrong\u003eA:\u003c\/strong\u003e Engaging the correct part, ensuring it matches the exact model and year of your watercraft.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace both valves at the same time? \u003cstrong\u003eA:\u003c\/strong\u003e Many riders replace power valves in pairs since they wear at similar rates under the same operating conditions. Match this part number 420854354 against your engine 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":51060209582166,"sku":"OO1C02240","price":127.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_8dbad87b-6842-408e-815f-1f631b3b1460.jpg?v=1794307069","url":"https:\/\/www.solidspare.com\/products\/420854354-power-valve-for-sea-doo-gsx-rfi-800-1999-2001","provider":"Solid Spare","version":"1.0","type":"link"}