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Installed new rear master cylinder '73 can't get it to build pressure after bleeding

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First, bleed the master cylinder. You do this by loosening the line nut on the output end of the master cylinder, press the foot pedal until it sinks all the way down, tighten the nut, release the pedal. Continue to do this in this EXACT sequence until all the air is out of the master cylinder.

Then using the EXACT sequence, bleed the rear brake caliper or the rear wheel cylinder. If your bike is equipped with drum brakes, you'll have to adjust the brake shoes to the drum.

Very important, DO NOT ALLOW THE MASTER CYLINDER TO RUN DRY DURING THE BLEEDING PROCESS. Make sure that the small hole in the bottom of the master cylinder is clear.

Good Luck

Posted on Sep 29, 2010


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