{"product_id":"rear-brake-master-cylinder-rebuild-kit-for-yamaha-replaces-oem-5un-w0042-50-00","title":"Rear Brake Master Cylinder Rebuild Kit for Yamaha Replaces OEM# 5UN-W0042-50-00","description":"\u003ch2\u003eRear Brake Master Cylinder Rebuild Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis rear brake master cylinder rebuild kit for Yamaha replaces OEM part number 5UN-W0042-50-00, containing seals and components to restore brake function.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe rear brake master cylinder rebuild kit for Yamaha includes all necessary seals, O-rings, and pistons to overhaul the master cylinder. It is designed for Yamaha models using OEM# 5UN-W0042-50-00. This kit restores brake pressure and eliminates leaks.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes genuine-type rubber seals for proper sealing\u003c\/li\u003e\n\u003cli\u003eContains piston assembly and spring\u003c\/li\u003e\n\u003cli\u003ePrecision-fit components ensure no air leaks\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to buying a new master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrake system overhaul on Yamaha motorcycles and ATVs\u003c\/li\u003e\n\u003cli\u003eFixing spongy brake feel or fluid leaks\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance of braking system\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-W0042-50-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeals, O-rings, piston, spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha (various models)\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 What is included in this rebuild kit?\u003cstrong\u003eA:\u003c\/strong\u003e The kit contains all internal seals, O-rings, the piston, and return spring needed for a complete master cylinder rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need any special tools to rebuild the master cylinder?\u003cstrong\u003eA:\u003c\/strong\u003e Basic hand tools and a brake bleed kit are usually sufficient; consult a service manual for your specific model.\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":44848362324054,"sku":"SZ1F06383","price":54.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e20a48f8-8a05-4033-82ff-a2ab4bfec25c.jpg?v=1781060766","url":"https:\/\/www.solidspare.com\/products\/rear-brake-master-cylinder-rebuild-kit-for-yamaha-replaces-oem-5un-w0042-50-00","provider":"Solid Spare","version":"1.0","type":"link"}