{"product_id":"saihisday-front-brake-master-cylinder-for-yamaha-atv-banshee-350-big-bear-450-yfz450-more","title":"Saihisday Front Brake Master Cylinder for Yamaha ATV – Banshee 350, Big Bear 450, YFZ450 \u0026 More","description":"\u003cdiv class=\"product-seo-desc\"\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eThe Saihisday front brake master cylinder is designed to support reliable braking across a wide range of Yamaha ATVs. With a compact piston bore and a standard 7\/8 inch handlebar interface, it aims to deliver a consistent feel that riders can count on on dirt trails, back roads, and rugged terrain. This unit is built for a right side installation facing the front tire, making it a straightforward upgrade for compatible models.\u003c\/p\u003e\n  \u003cp\u003eRather than a one size fits all approach, this master cylinder is compatible with multiple Yamaha lineups, including the Banshee, Timberwolf, Wolverine, Big Bear, Grizzly Kodiak and YFZ450 families. By choosing a model that reflects your ATV’s configuration, you can pursue a more predictable braking response without changing other hardware.\u003c\/p\u003e\n\n  \u003ch2\u003eKey specifications\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003ePiston Bore: 1.4 cm\u003c\/li\u003e\n    \u003cli\u003eHandlebar size: 7\/8\" (22 mm)\u003c\/li\u003e\n    \u003cli\u003eBanjo Bolt: 10x1.25 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhat you get and how it fits\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1x motorcycle brake master cylinder\u003c\/li\u003e\n    \u003cli\u003eReplacement Part Number: 4WV-25870-00-00\u003c\/li\u003e\n    \u003cli\u003eEasy installation: typically plug and play, around 30 minutes or less\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eNote on installation: please fit the part according to professional requirements after delivery to ensure proper alignment and secure mounting. Double checks with a trained technician can help confirm the correct fit for your specific model and year.\u003c\/p\u003e\n\n  \u003ch2\u003eCompatibility and fit\u003c\/h2\u003e\n  \u003cp\u003eThis master cylinder is listed as compatible with a range of Yamaha ATVs, including Banshee, Timberwolf, Wolverine, Big Bear, Grizzly Kodiak and YFZ450 variants from different years. Always verify your exact model and year to confirm fitment before purchase.\u003c\/p\u003e\n\n  \u003ch2\u003eRiding benefits and use cases\u003c\/h2\u003e\n  \u003cp\u003eRiders may experience improved brake modulation and a more confident feel during downhill sections, quick stops, or handling uneven terrain. The compact form is designed to minimize interference with nearby components, while the right-side orientation aligns with common ATV layouts.\u003c\/p\u003e\n\n  \u003ch2\u003eDurability and care\u003c\/h2\u003e\n  \u003cp\u003eBuilt to withstand regular riding conditions, this master cylinder benefits from proper installation and periodic inspection for leaks and seal integrity. Keeping the banjo bolt connection clean and torqued to spec helps maintain a reliable seal over time.\u003c\/p\u003e\n\n  \u003ch2\u003eMaintenance tips\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eInspect for fluid leaks around the banjo bolt and reservoir connection\u003c\/li\u003e\n    \u003cli\u003eCheck tightness of mounting bolts and ensure correct alignment\u003c\/li\u003e\n    \u003cli\u003eReplace the master cylinder if brake feel changes significantly or if mounting hardware shows wear\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package for Saihisday Front Brake Master Cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The package includes one master cylinder with standard fittings and a 10x1.25 mm banjo bolt.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this part fit multiple Yamaha ATV models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it lists compatibility with several Yamaha models; verify your exact model and year before buying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Saihisday","offers":[{"title":"Default Title","offer_id":42465520025685,"sku":"B01M2A813H","price":29.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/saihisday-front-brake-master-cylinder-yamaha-atv-banshee-1987-2006-angle1.jpg?v=1778010683","url":"https:\/\/plentytorque.co.uk\/products\/saihisday-front-brake-master-cylinder-for-yamaha-atv-banshee-350-big-bear-450-yfz450-more","provider":"PlentyTorque","version":"1.0","type":"link"}