{"product_id":"rear-brake-master-cylinder-for-yamaha-xt250-yz125-yz250-5un-2583v-00-00-silver","title":"Rear Brake Master Cylinder For Yamaha XT250 YZ125 YZ250  5UN-2583V-00-00,Silver","description":"\u003ch2\u003eRear Brake Master Cylinder for Yamaha XT250 YZ125 YZ250\u003c\/h2\u003e\u003cp\u003eThis rear brake master cylinder replaces the factory unit on Yamaha XT250, YZ125, and YZ250 models, cross-referencing OEM part number 5UN-2583V-00-00 to pressurize the rear brake and deliver dependable stopping power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis rear brake master cylinder is a direct replacement designed to restore reliable hydraulic braking on Yamaha XT250, YZ125, and YZ250 machines. Built to match the OEM 5UN-2583V-00-00 reference, this rear brake master cylinder converts lever input into hydraulic pressure for consistent rear brake response on both trail and track. It suits riders replacing a worn or leaking master cylinder who want a straightforward bolt-on fit.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCross-references OEM part number 5UN-2583V-00-00 for confident replacement\u003c\/li\u003e\n\u003cli\u003eMachined cylinder body for stable hydraulic pressure delivery\u003c\/li\u003e\n\u003cli\u003eSilver finish that resists corrosion from dirt and moisture\u003c\/li\u003e\n\u003cli\u003eSealed internals built to hold brake fluid pressure under hard use\u003c\/li\u003e\n\u003cli\u003eThreaded ports matched to the standard Yamaha rear brake line fitting\u003c\/li\u003e\n\u003cli\u003eCompact body sized for the original mounting location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha XT250\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ250\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRear brake rebuilds on trail and enduro bikes\u003c\/li\u003e\n\u003cli\u003eMotocross track maintenance and race preparation\u003c\/li\u003e\n\u003cli\u003eRestoring hydraulic rear braking after a fluid leak\u003c\/li\u003e\n\u003cli\u003eReplacing a seized or spongy rear master cylinder\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\u003e5UN-2583V-00-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrake Master Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha XT250, YZ125, YZ250\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 master cylinder come ready to bolt on? \u003cstrong\u003eA:\u003c\/strong\u003e It is a replacement rear brake master cylinder that fits the listed Yamaha models, though you should confirm the mounting and line fittings match your machine before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will I need to bleed the brake after installing it? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, any time a master cylinder is replaced the rear brake system must be bled to remove air and restore firm lever feel.\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":50555552759894,"sku":"ZZ3O00073","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_40658c89-cd77-44a9-867d-90d22d70b649.jpg?v=1790926020","url":"https:\/\/www.solidspare.com\/products\/rear-brake-master-cylinder-for-yamaha-xt250-yz125-yz250-5un-2583v-00-00-silver","provider":"Solid Spare","version":"1.0","type":"link"}