{"product_id":"rear-brake-master-cylinder-vespa-gts-250-300-cm074901-aft","title":"Rear Brake Master Cylinder - Vespa GTS 250\/300","description":"\u003ch3 data-path-to-node=\"1\"\u003eVespa GTS 250\/300 Rear Master Cylinder\u003c\/h3\u003e\u003cp data-path-to-node=\"2\"\u003eDon't compromise on safety with a spongy or leaking brake lever. Over time, internal seals in your master cylinder can perish, leading to inconsistent braking pressure and dangerous fluid leaks. This high-quality aftermarket replacement restores that crisp, \"factory-fresh\" lever feel and ensures your Vespa GTS has the reliable clamping force needed for heavy city traffic and high-speed touring.\u003c\/p\u003e\u003ch3 data-path-to-node=\"3\"\u003eKey Features\u003c\/h3\u003e\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,0,0\"\u003eOEM-Spec Performance:\u003c\/b\u003e Manufactured to meet or exceed original Piaggio specifications for a direct, \"no-fuss\" swap.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,1,0\"\u003ePrecision Bored:\u003c\/b\u003e Features a high-tolerance internal cylinder for smooth piston travel and consistent hydraulic pressure.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,2,0\"\u003eDurable Housing:\u003c\/b\u003e Cast from high-strength alloy to withstand high-pressure braking cycles and environmental corrosion.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,3,0\"\u003ePre-Assembled:\u003c\/b\u003e Comes with the internal piston and seal kit pre-installed, saving you the headache of a complex rebuild.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 data-path-to-node=\"5\"\u003eFitment Guide\u003c\/h3\u003e\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\u003cdiv class=\"table-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003cdiv class=\"table-block has-export-button new-table-style has-scrollbar is-at-scroll-start\"\u003e\n\u003cdiv data-ved=\"0CAAQ3ecQahcKEwjEsYLGurmUAxUAAAAAHQAAAAAQaA\" data-hveid=\"0\" class=\"table-content\"\u003e\u003ctable data-path-to-node=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"6,0,0,0\"\u003eBrand\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"6,0,1,0\"\u003eModel\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan data-path-to-node=\"6,0,2,0\"\u003eSpecific Fitment\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,1,0,0\"\u003eVespa\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,1,1,0\"\u003eGTS 250 \/ GTV 250\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,1,2,0\"\u003eAll Years (Rear Brake)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,2,0,0\"\u003eVespa\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,2,1,0\"\u003eGTS 300 \/ GTV 300\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,2,2,0\"\u003eAll Years (Rear Brake)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,3,0,0\"\u003eVespa\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,3,1,0\"\u003eGTS Super \/ HPE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,3,2,0\"\u003eAll Versions (Non-ABS \u0026amp; ABS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,4,0,0\"\u003ePiaggio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,4,1,0\"\u003eMP3 250 \/ 400 \/ 500\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"6,4,2,0\"\u003eCheck Year for Rear Actuation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"table-footer hide-from-message-actions\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003cbutton class=\"mdc-icon-button mat-mdc-icon-button mat-mdc-button-base mat-mdc-tooltip-trigger copy-button mat-unthemed ng-star-inserted\" data-test-id=\"copy-table-button\" aria-label=\"Copy table\"\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-icon-button__ripple\"\u003e\u003c\/span\u003e\u003c!----\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003c\/button\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003ch3 data-path-to-node=\"7\"\u003eTechnical Specs\u003c\/h3\u003e\u003cul data-path-to-node=\"9,1\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,0,0\"\u003ePart Number:\u003c\/b\u003e CM074901-AFT\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,1,0\"\u003eMaterial:\u003c\/b\u003e Cast Aluminum Alloy\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,2,0\"\u003ePosition:\u003c\/b\u003e Left-Hand Side (Rear Brake)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,3,0\"\u003eCompatibility:\u003c\/b\u003e DOT 4 or DOT 5.1 Brake Fluid (Consult Manual)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-path-to-node=\"9,1,0,0\"\u003e\u003cstrong\u003eMaintenance Note:\u003c\/strong\u003e Brake fluid is hygroscopic (absorbs water). If your old master cylinder failed due to internal corrosion, ensure you perform a complete system flush with fresh DOT 4 fluid to prevent the new unit from fouling.\u003c\/p\u003e\u003cp data-path-to-node=\"9,1,1,0\"\u003e\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Always use new copper crush washers on the banjo bolt. Reusing old washers is the #1 cause of slow leaks at the master cylinder connection.\u003c\/p\u003e\u003cp style=\"text-align: left;\" data-path-to-node=\"9,1,2,0\"\u003e\u003cstrong\u003ePro Tip: \u003c\/strong\u003eVacuum bleeding is highly recommended for the GTS series. Because of the long brake line run from the handlebar to the rear caliper, getting all the air out manually can be a time-consuming process.\u003c\/p\u003e\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan\u003eYou can also purchase this part through your \u003c\/span\u003e\u003ca title=\"Genuine dealer locator\" href=\"https:\/\/www.genuinescooters.com\/pages\/store-locator?stockist-tags=flt_e39v96wp\" target=\"_blank\"\u003elocal Genuine dealer.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" title=\"California Proposition 65\"\u003eCalifornia Proposition 65\u003c\/a\u003e\u003c\/p\u003e","brand":"RMS","offers":[{"title":"Default Title","offer_id":50895816720664,"sku":"CM074901-AFT","price":90.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.scooterworks.com\/products\/rear-brake-master-cylinder-vespa-gts-250-300-cm074901-aft","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}