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MASTER-CYLINDER BRAKE 5/8" MIRROR M
MC8R Master Cylinder 5/8" Bore R/H Mirror Thread Twin Disc Yamaha Style
The MC8R Master Cylinder is a high-quality aftermarket front brake master cylinder in classic Yamaha style, featuring a 5/8" bore and right-hand (R/H) mirror thread. Designed for twin disc braking systems, it delivers precise and reliable braking performance for motocross and dirt bikes, complete with a pre-installed brake light switch.
Specifications
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Bore size: 5/8"
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Total length: 242mm
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Master cylinder dimensions: 96mm × 93mm
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Right-hand (R/H) mirror thread
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Fits standard 7/8" (22.5mm) handlebars
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Twin-disc compatible
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Replacement lever: LBY7
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Includes brake light switch
Features
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Yamaha-style aftermarket replacement for front brake systems
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Durable construction for consistent, reliable braking
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Pre-installed brake light switch for added convenience
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Easy installation on standard handlebars
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Suitable for twin-disc braking applications
Ideal For
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Motocross and dirt bike riders
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Riders replacing or upgrading Yamaha-style front brake systems
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Twin-disc braking system applications
Durable, precise, and ready to install the MC8R Master Cylinder provides smooth, reliable braking control and full compatibility with Yamaha-style twin-disc setups on dirt bikes and motocross motorcycles.



















