How to Bleed Air from Motorcycle Disc Brakes?
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Motorcycle disc brakes can be bled of air by using the method of reverse-filling brake fluid from the lower caliper. This involves injecting brake fluid through the bleeder valve into the lower caliper, forcing the air out of the brake line and up to the master cylinder. Disc brakes consist of a brake disc connected to the wheel and a brake caliper at the edge of the disc. When braking, high-pressure brake fluid pushes the brake pads to clamp the disc, creating the braking effect. A motorcycle is composed of five main parts: the engine, transmission system, running gear, braking system, and electrical instrumentation. The transmission system of a motorcycle includes the primary reduction, clutch, gearbox, and secondary reduction.