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  1. #1

    Default rear master cylinder help! im stumped!

    so i have a 1978 xs650 and i cant seem to get the rear master cylinder to work. i have taken it apart and cleaned it multiple times. all of the components seem to be in good shape, but for some reason it wont pump fluid. everything inside the master cylinder is clean and nothing should be blocking the passage and the brake line and resivior line are all clean through. there are no air leaks either. so at this point i have absolutely no clue why its not working. im hoping to get some knowledge and help here so i can get my bike ride-able. any help or suggestions or anything will be greatly appreciated! thanks!

  2. #2


    Perhaps this will be a guiding light to the end of the tunnel:

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