{"product_id":"valve-exhaust-yzf250-01-13-5nl-12121-10-00-80-80077","title":"VALVE EXHAUST YZF250 01-13, 5NL-12121-10-00, 80-80077","description":"\u003cp\u003eThis exhaust valve is designed as a direct OEM replacement for Yamaha WR and YZ 250F models from 2001 to 2013. Constructed from Black Diamond™ stainless steel and treated with a proprietary nitriding process, it delivers increased wear resistance, reduced friction, and superior durability under high-performance conditions. KPMI recommends pairing this valve with Kibblewhite® lightweight valve spring kits for optimal performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eManufactured from one-piece forged Black Diamond™ stainless steel\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eNitrided surface treatment for improved wear resistance and reduced friction\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDesigned using Finite Element Analysis and flow bench tested for optimal performance\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCompatible with Kibblewhite® lightweight valve spring kits\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eValve Type: Exhaust\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eMaterial: Black Diamond™ Stainless\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCoating: Black Nitroneg\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eQuantity: 1\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eHead Diameter: 24.50 mm \/ 0.965\"\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eStem Diameter: 4.5 mm \/ 0.1758\"\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eTulip: 25º\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eOverall Length: 3.070\"\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eRemarks: Standard\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eKibblewhite 80-80077\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003ePSYCHIC XU-09519E\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eVertex 8400005-1\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eWiseco VET005\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha 5NL-12121-10-00\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha WR250F (2001–2013)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYamaha YZ250F (2001–2013)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e2003 WR250F - WR250FR VALVE\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003e2003 YZ250F - YZ250FR VALVE\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eFDY Performance – Engineered for riders who demand more.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.\u003c\/p\u003e\n\u003cp\u003eWe’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📞 07765534854 | ✉️ fdy@fdyperformance.com | 🌐 www.fdyperformance.com\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:13px; color:#555;\"\u003eFollow FDY Performance for new releases, expert tuning tips, and exclusive upgrades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FDY Performance","offers":[{"title":"Default","offer_id":55987381305692,"sku":"65-422.KW.SS","price":42.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock62887_1.jpg?v=1763315941","url":"https:\/\/fdyperformance.com\/products\/valve-exhaust-yzf250-01-13-5nl-12121-10-00-80-80077","provider":"FDY performance Ltd","version":"1.0","type":"link"}