Restore the safety and feel of your braking system with the Blue Line Right-Hand Master Cylinder & Lever Assembly. Specifically engineered for scooters, motorcycles, and ATVs with front disc brakes, this complete unit serves as a direct replacement for the factory assembly. Whether your current lever is bent from a tip-over or your master cylinder is leaking and losing pressure, this assembly provides a crisp, firm brake response for confident urban riding.
This assembly is the standard right-side master cylinder for GY6 125/150cc and QMB139 50cc scooters with front hydraulic disc brakes and motorcycles or ATVs with 7/8" handlebars, including Tao Motors:
Mechanic's Note: Never mix brake fluid types. If your reservoir cap says DOT 4, stick with DOT 4. When installing a new master cylinder, you must bleed the air out of the brake line � use a vacuum brake bleeder tool to pull fluid down to the caliper and eliminate any soft, spongy spots in your lever feel.
SKU: 159-30 | Vendor: Blue Line | Category: Brake Master Cylinders in Motor Vehicle Braking
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