{"product_id":"psychic-exhaust-valve-for-yamaha-fits-2003-2015-wr450f-2003-2009-yz450f","title":"Psychic Exhaust Valve for Yamaha fits 2003-2015 WR450F \u0026 2003-2009 YZ450F","description":"\u003ch2\u003eExhaust Valve for Yamaha\u003c\/h2\u003e\u003cp\u003eThis exhaust valve fits Yamaha WR450F models from 2003 to 2015 and YZ450F models from 2003 to 2009, serving as a replacement for the psyche exhaust valve system.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis exhaust valve is a direct replacement for the psyche exhaust valve on Yamaha WR450F (2003-2015) and YZ450F (2003-2009) motorcycles. It controls exhaust back-pressure to optimize power delivery across the RPM range. The valve is built to OEM specifications for reliable performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined stainless steel construction for durability\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant coating prevents seizing\u003c\/li\u003e\n\u003cli\u003eMatched spring rate ensures proper valve actuation\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on replacement with no modification needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha WR450F 2003-2015\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ450F 2003-2009\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a stuck or broken exhaust valve in a dirt bike\u003c\/li\u003e\n\u003cli\u003eRestoring low-end torque and top-end power\u003c\/li\u003e\n\u003cli\u003eServicing the exhaust system during a top-end rebuild\u003c\/li\u003e\n\u003cli\u003eFixing a valve that fails to open at high RPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct 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\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha WR450F \/ YZ450F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2003-2015 (WR450F) \/ 2003-2009 (YZ450F)\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 valve the same as the OEM part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket replacement that meets OEM specifications; it is not an original Yamaha part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does it come with the gasket? \u003cstrong\u003eA:\u003c\/strong\u003e No, only the valve itself is included; you will need to reuse or purchase a gasket separately.\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":44847189885014,"sku":"SZ1F05372","price":48.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_64fba3e0-286b-4031-a4e4-b579e8dc441c.jpg?v=1781059310","url":"https:\/\/www.solidspare.com\/products\/psychic-exhaust-valve-for-yamaha-fits-2003-2015-wr450f-2003-2009-yz450f","provider":"Solid Spare","version":"1.0","type":"link"}