{"product_id":"420854449-power-valve-piston-for-sea-doo-spx-800-1997-1999","title":"420854449 Power Valve Piston for Sea-Doo SPX 800 1997-1999","description":"\u003ch2\u003ePower Valve Piston for Sea-Doo SPX 800\u003c\/h2\u003e\u003cp\u003eThis power valve piston is a replacement component for the exhaust power valve assembly on 1997-1999 Sea-Doo SPX 800 watercraft, cross-referencing OEM part number 420854449.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis power valve piston is a direct replacement for the exhaust power valve in Sea-Doo SPX 800 models from 1997 through 1999. The power valve piston regulates exhaust port timing as RPM rises, which helps the engine build power smoothly across the rev range. It is built for owners doing routine top-end maintenance on their Sea-Doo SPX 800 or anyone servicing a worn or sticking power valve.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed to OEM dimensions for a direct fit into the power valve housing\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the 800 Rotax engine exhaust valve system\u003c\/li\u003e\n\u003cli\u003eCross-references part number 420854449 for easy verification\u003c\/li\u003e\n\u003cli\u003ePrecision-machined surface for consistent travel inside the valve bore\u003c\/li\u003e\n\u003cli\u003eResists heat and carbon buildup common in two-stroke exhaust valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo SPX 800 1997\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo SPX 800 1998\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo SPX 800 1999\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eServicing exhaust power valves during routine top-end rebuilds\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust port timing on high-hour 800 engines\u003c\/li\u003e\n\u003cli\u003eReplacing a stuck or carbon-fouled power valve piston\u003c\/li\u003e\n\u003cli\u003eMaintenance on personal watercraft used in fresh or salt water\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\u003e420854449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo SPX 800, 1997-1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Valve Piston\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 Sea-Doo part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket replacement power valve piston that cross-references OEM part number 420854449, not an original Sea-Doo branded component.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many pistons should I order? \u003cstrong\u003eA:\u003c\/strong\u003e The 800 Rotax engine uses one power valve piston per cylinder, so confirm how many cylinders you are servicing 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":51060201685078,"sku":"OO1C02117","price":37.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_be89c3c1-67e2-4620-8619-1c37b24046db.jpg?v=1794306991","url":"https:\/\/www.solidspare.com\/products\/420854449-power-valve-piston-for-sea-doo-spx-800-1997-1999","provider":"Solid Spare","version":"1.0","type":"link"}