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master cylinder rebuild

  1. RPGR90s

    Shout Out - Apple Hydraulics

    I had Apple Hydraulics re-sleeve the original master cylinder on my '74 R90s and it came out great. With 150k, my last rebuild (new piston and seal) was still allowing a drip or two of brake fluid in the rubber catch boot, so I took advantage of their re-sleeving service. Got it back, bench...
    • RPGR90s
    • Thread
    • m/c sleeve master cylinder rebuild
    • Replies: 5
    • Forum: Airheads
  2. rall275

    Master Cylinder rehabbed '88 K75C

    Thanks to Lee 98 I rehabbed my leaking master cylinder. I'll share a few photos but first a short narrative. Only issue I had was separating the master cylinder from the bike after removing all the screws necessary because it had stuck from crud and had to be tapped apart. The piston was in...
  3. L

    2008 R1200R Bleeding front brakes

    Last Fall I installed a set of ROX risers & a longer front brake line. I left the brake reservoir empty with a clean paper rag stuffed in it & covered the bike for the winter. Now attempting to ready the bike for a much anticipated riding season, I can't get the air out of the system. I have...
  4. D

    Rebuild or replace master cylinder?

    Two years ago I moved my 1974 /6 from Phoenix where it was dry and warm to Iowa where it is cold and wet. All winder it sat in a damp garage, and this spring, upon starting it up, I noticed that the front brake lever would squeeze all the way to the grip. I then noticed that there was a pool...
  5. S

    Master Cylinder rebuild 78 R100/7

    Any advice or help on rebuilding the brake master cylinder on my 78 R100/7? I ordered the kit, should be here today, for the 14mm cylinder (I have a single brake rotor). Any videos/articles out there? What should i NOT do? Thanks in advance.
    • SCBuckeye
    • Thread
    • captive seal dental floss trick master cylinder rebuild
    • Replies: 9
    • Forum: Airheads
  6. soflopro

    single piston master cylinder re-build ?

    Greetings all... i recently noticed my master cylinder leaking from the piston, the worst part is i just repainted the frame and cleaned all the rust that had built over the years under the master cylinder. the issue i have is wether or not to try n rebuild the piston or replace the whole thing...
    • soflopro
    • Thread
    • master cylinder rebuild
    • Replies: 17
    • Forum: Airheads
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