{"title":"Yamaha YZ450 Parts (2003-2026) | YZ450F Motocross","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eShop Yamaha YZ450 parts for YZ450F Motocross models with OEM and aftermarket options built around top-end rebuilds, clutch and brake service, suspension work, and race-bike upkeep. This collection is organized to help you find model-correct replacement parts faster, with clearer fitment for the Yamaha YZ450 bikes riders actually maintain, rebuild, and keep ready for the next moto.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eThe Yamaha YZ450F became one of the defining bikes of the modern motocross era, delivering championship-level four-stroke performance and continual factory development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eFrequently shopped Yamaha YZ450 parts for this collection include clutch parts, brake parts, suspension components, and electrical components. Accurate fitment matters because motocross bikes see hard use, and correct year-specific fitment matters for top-end parts, chassis hardware, suspension, and ignition components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"mso-element: para-border-div; border: none; border-top: solid #BFBFBF 1.0pt; mso-border-top-alt: solid #BFBFBF .75pt; padding: 1.0pt 0cm 0cm 0cm;\"\u003e\n\u003ch3 style=\"border: none; mso-border-top-alt: solid #BFBFBF .75pt; padding: 0cm; mso-padding-alt: 1.0pt 0cm 0cm 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003eOEM \u0026amp; Aftermarket Yamaha YZ450 Parts for Motocross Rebuilds, Race Prep, and Repairs\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eAt Old Bike Barn, Yamaha YZ450 owners can shop with clearer fitment, dependable OEM and aftermarket choices, and practical support for motocross rebuilds, race prep, and trackside repairs. This collection is built for racers, rebuilders, and long-time YZ owners who want to compare model-specific replacement parts with less guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eThis Yamaha YZ450 collection includes: engine gasket sets and seal kits, intake and fuel-system components, clutch and brake parts, fork seals and suspension components, OEM-style levers, controls, cables, and hardware, chain and chassis service items, and electrical components such as ignition parts, sensors, switches, and wiring essentials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eParts in this Yamaha YZ450 collection are grouped where fitment applies, so it is easier to compare options before you order. Whether you need to freshen the top end, service clutch and brake components, rebuild suspension, or replace worn controls, the goal is the same: model-correct fitment, dependable operation, and a smoother path from parts search to finished repair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"mso-element: para-border-div; border: none; border-top: solid #BFBFBF 1.0pt; mso-border-top-alt: solid #BFBFBF .75pt; padding: 1.0pt 0cm 0cm 0cm;\"\u003e\n\u003ch3 style=\"border: none; mso-border-top-alt: solid #BFBFBF .75pt; padding: 0cm; mso-padding-alt: 1.0pt 0cm 0cm 0cm;\"\u003e\u003cspan lang=\"EN-US\"\u003eWhy Riders Choose Old Bike Barn for Yamaha YZ450 Parts\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-US\"\u003eOld Bike Barn sources Yamaha YZ450 parts with a focus on year-and-model fitment, useful OEM and aftermarket coverage, and practical support for real-world motocross rebuilds, race prep, and trackside repairs. That makes it easier to shop with more confidence when you are trying to match the right components to the exact Yamaha YZ450 in your garage.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3005\" data-end=\"3008\"\u003e\n\u003ch3\u003eBuilding a Custom YZ450?\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"313\" data-start=\"93\"\u003eSome parts on a custom build are not model-specific. If you’re changing handlebars, mirrors, lighting, controls, shocks, exhaust pieces, fuel line, or hardware, visit our universal and custom motorcycle parts collection.\u003c\/p\u003e\n\u003cp data-end=\"580\" data-start=\"315\"\u003eThese parts are useful for cafe racers, brat builds, trackers, choppers, and garage-built vintage motorcycles, but they are not guaranteed to fit every bike without checking. Always compare measurements, mounting style, clearance, and product notes before ordering.\u003c\/p\u003e\n\u003ch3 data-end=\"626\" data-start=\"582\" style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/oldbikebarn.com\/collections\/universal-custom-motorcycle-parts\" title=\"Custom \/ Universal Motorcycle Parts Collection\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong data-end=\"626\" data-start=\"582\"\u003eShop Universal \u0026amp; Custom Motorcycle Parts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e","products":[{"product_id":"carb-holder-48-1456","title":"07-09, 2011 WR450F \/ 06-09 YZ450F \/ 2006 YZ450FSPV Carb Holder","description":"\u003cp\u003eCarb Holder, Joint Carb Holder 3 - Replaces OEM # 2S2-13597-00-00\u003c\/p\u003e\n\u003cp\u003eThis carburetor holder connects the carburetor to the engine intake ports and provides a secure, airtight seal between the carburetor assembly and cylinder head. Constructed from high-quality rubber compounds designed to withstand heat, fuel exposure, and aging, this intake boot help maintain proper airflow and fuel mixture. Cracked or hardened carb holders can cause vacuum leaks, rough idle, and poor engine performance. Replacing worn holders restores proper sealing, improves throttle response, and ensures stable engine operation. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits: Yamaha YZ450FSPV (2006)\u003c\/li\u003e\n\u003cli\u003eYZ450F (2006-2009)\u003c\/li\u003e\n\u003cli\u003eWR450F (2007-2009, 2011)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Discount Fedex","offers":[{"title":"Default Title","offer_id":48149139521691,"sku":"48-1456","price":25.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/48-1456.jpg?v=1773856530"},{"product_id":"fzr600r-petcock-repair-kit","title":"YZ450 \/ KVF400 \/ KLX300 \/ YZ250 \/ YZ250F \/ WR250 Petcock Repair Kit","description":"\u003cp\u003ePetcock Repair Kit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e This fuel petcock repair kit includes the necessary components to rebuild and restore the original fuel petcock. The kit typically contains seals, gaskets, O-rings, and internal components needed to stop leaks and restore proper fuel flow control. Over time, petcock seals can wear or deteriorate, leading to fuel leaks or poor operation. Rebuilding the petcock with this kit helps restore proper sealing, ensures smooth fuel flow operation, and extends the life of the original unit. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: Kawasaki YZF1000R (1996-1997) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFZS1000 (2001-2005) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eZX900B (1994-1997) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTDM850 (1992) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eZX750P (1996-1998) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eXT600E (1990-1994) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFZR600R (1990-1998) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFZR600 (1989-1991) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZ450F (2005-2006) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKVF400 (1997-2002) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKLX300 (1997-2005) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZ250F (2005-2006) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZ250 (1993-1998, 2005-2006) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWR250F (2005-2006) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKX250L (1999-2002) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKX250K (1994-1998) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKX250J (1992-1993) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKLX250D (1994-1998) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eXT225 (1992-2000) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZ125 (1993-1998, 2005-2006) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTZR125 (1987-1993) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKX125 (1992-1997, 1999-2002) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZFR1 (2001-2005) \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eYZ80 (1994-1998)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BubbleMailer+","offers":[{"title":"Default Title","offer_id":48149528510619,"sku":"20-0064","price":14.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/20-0064.jpg?v=1773862248"},{"product_id":"yz450f-flywheel-puller-m24mm-x-1-5mm-rh-internal-thread-35-9127","title":"06-17 YZ450F \/ 04-07 CRF250R \/ 04-07 CRF250X Flywheel Puller M24mm x 1.5mm RH Internal Thread","description":"\u003cp\u003eFlywheel Puller M24mm x 1.5mm RH Internal Thread\u003c\/p\u003e\u003cp\u003eThis replacement component supports dependable performance and reliable service life.\u003c\/p\u003e\u003cp\u003eFits: Honda CRF450R (2002-2007)\u003cbr\u003eKX450F (2006-2008)\u003cbr\u003eRMZ450 (2005-2007)\u003cbr\u003eYZ450F (2006-2017)\u003cbr\u003eCRF250R (2004-2007)\u003cbr\u003eCRF250X (2004-2007)\u003cbr\u003eKX250F (2004-2008)\u003cbr\u003eRMZ250 (2004-2007)\u003cbr\u003eYZ250F (2014-2019)\u003cbr\u003eCRF150R (2007-2017)\u003c\/p\u003e","brand":"Discount Fedex","offers":[{"title":"Default Title","offer_id":48251817558171,"sku":"35-9127","price":12.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/35-9127_91a672fd-463f-4839-8023-62f1d568d98b.jpg?v=1775360226"},{"product_id":"wr450f-fork-seal-set-2-48-x-58-x-8-5-10-27-1047","title":"05-11 WR450F \/ 04-11 YZ450F \/ 10-12 CRF250R Fork Seal Set\/2 - 48 x 58 x 8.5\/10","description":"\u003cp\u003eFork Seals Set\/2 48 X 58 X 8.5\/10\u003c\/p\u003e\u003cp\u003eThis suspension component supports stable handling and dependable ride control.\u003c\/p\u003e\u003cp\u003eFits: Honda CRF450R (2009-2012)\u003cbr\u003eKLX450 (2009)\u003cbr\u003eKLX450F (2008-2011)\u003cbr\u003eWR450F (2005-2011)\u003cbr\u003eYZ450F (2004-2011)\u003cbr\u003eCRF250R (2010-2012)\u003cbr\u003eKX250 (2002-2005)\u003cbr\u003eKX250R (2005-2007)\u003cbr\u003eWR250F (2005-2011)\u003cbr\u003eYZ250 (2004-2007, 2010-2011)\u003cbr\u003eYZ250F (2004-2011)\u003cbr\u003eKX125 (2002-2005)\u003cbr\u003eYZ125 (2004-2011)\u003c\/p\u003e","brand":"Discount Fedex","offers":[{"title":"Default Title","offer_id":48251857895579,"sku":"27-1047","price":28.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/27-1047_a1b3762a-f9e0-43f7-b0ef-11b47b37014e.jpg?v=1775362310"},{"product_id":"yz450f-fork-seal-set-2-46-x-58-x-9-5-11-5-27-1040","title":"03 YZ450F \/ 01-02 WR426F \/ 00-02 YZ426F Fork Seal Set\/2 - 46 x 58 x 9.5\/11.5","description":"\u003cp\u003eFork Seals Set\/2 46 X 58 X 9.5\/11.5\u003c\/p\u003e\u003cp\u003eThis suspension component supports stable handling and dependable ride control.\u003c\/p\u003e\u003cp\u003eFits: Honda CR500R (1996-2001)\u003cbr\u003eKX500 (1997-2004)\u003cbr\u003eWR450F (2003-2004)\u003cbr\u003eYZ450F (2003)\u003cbr\u003eWR426F (2001-2002)\u003cbr\u003eYZ426F (2000-2002)\u003cbr\u003eWR400F (1998-2000)\u003cbr\u003eYZ400 (1998-1999)\u003cbr\u003eYZ400F (1998-1999)\u003cbr\u003eCR250R (1996)\u003cbr\u003eKX250 (1996-2001)\u003cbr\u003eRM250 (2001-2003)\u003cbr\u003eWR250 (1997-1998)\u003cbr\u003eWR250F (2001-2004)\u003cbr\u003eWR250R (2008-2014)\u003cbr\u003eYZ250 (1996-2003)\u003cbr\u003eYZ250F (2001-2003)\u003cbr\u003eCR125R (1997-2007)\u003cbr\u003eKX125 (1996-2001)\u003cbr\u003eYZ125 (1996-2003)\u003c\/p\u003e","brand":"Discount Fedex","offers":[{"title":"Default Title","offer_id":48251858354331,"sku":"27-1040","price":19.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/27-1040_c0d9ad66-dc0e-42fc-8454-2f6365b4b3d0.jpg?v=1775362356"},{"product_id":"wr450-front-fork-seal-stopper-ring-each-diameter-1-6-60-17-2874","title":"03-04 WR450 \/ 03 YZ450F \/ 98-00 WR400F Front Fork Seal Stopper Ring (Each) - Diameter 1.6- 60.","description":"\u003cp\u003eFront Fork Seal Stopper Ring (Each). Diameter 1.6- 60.\u003c\/p\u003e\u003cp\u003eSold Each, Order the Quantity you Require\u003c\/p\u003e\u003cp\u003eThis suspension component supports stable handling and dependable ride control.\u003c\/p\u003e\u003cp\u003eFits: Yamaha XV1900 (2006)\u003cbr\u003eXV1900A (2007-2009)\u003cbr\u003eVZR1800 (2006-2009)\u003cbr\u003eGSX1400 (2002-2007)\u003cbr\u003eZX900C (1998-1999)\u003cbr\u003eZX900E (2000-2001)\u003cbr\u003eZX900F (2002-2003)\u003cbr\u003eXR650R (2000-2007)\u003cbr\u003eXZ600J (2000-2001)\u003cbr\u003eZX600G (1998-1999)\u003cbr\u003eCR500R (1996-2001)\u003cbr\u003eKX500E (1997-2003)\u003cbr\u003eWR450 (2003-2004)\u003cbr\u003eYZ450F (2003)\u003cbr\u003eWR400F (1998-2000)\u003cbr\u003eYZ400F (1998-2001)\u003cbr\u003eCR250R (1996)\u003cbr\u003eKX250K (1996-1998)\u003cbr\u003eKX250L (1999-2001)\u003cbr\u003eRM250 (2001-2003)\u003cbr\u003eWR250 (1997-1998)\u003cbr\u003eWR250F (2001-2004)\u003cbr\u003eWR250R (2008)\u003cbr\u003eWR250X (2008)\u003cbr\u003eYZ250 (2002-2003)\u003cbr\u003eYZ250F (2001-2003)\u003cbr\u003eYZ250LC (1996-2001)\u003cbr\u003eCR125R (1997-2007)\u003cbr\u003eKX125 (1996-2001)\u003cbr\u003eYZ125 (2002-2003)\u003cbr\u003eYZ125LC (1996-2001)\u003c\/p\u003e","brand":"BubbleMailer+","offers":[{"title":"Default Title","offer_id":48251946467483,"sku":"17-2874","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/17-2874_b0e6d06c-07bb-43d3-bb99-035010443d67.jpg?v=1775364916"},{"product_id":"yfz450-mid-body-rebuild-kit-w-screws-48-5005","title":"04-09 YFZ450 \/ 03-09 YZ450F \/ 01-02 WR426F Mid Body Rebuild Kit w Screws","description":"\u003cp\u003eKeihin FCR Mid Body Rebuild Kit with Screws.\u003c\/p\u003e\n\n\u003cp\u003eThis mid body rebuild kit w screws is a quality replacement component for repair, restoration, and regular maintenance.\u003c\/p\u003e\n\n\u003cp\u003eFits: Yamaha YFZ450 (2004-2009)\u003cbr\u003e\nYZ450F (2003-2009)\u003cbr\u003e\nWR426F (2001-2002)\u003c\/p\u003e","brand":"BubbleMailer+","offers":[{"title":"Default Title","offer_id":48395778359451,"sku":"48-5005","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0215\/9889\/6228\/files\/48-5005.jpg?v=1773440731"}],"url":"https:\/\/oldbikebarn.com\/de\/collections\/yamaha-yz450f-parts.oembed","provider":"Old Bike Barn","version":"1.0","type":"link"}