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  • #1

    Master Cylinders

    Finished going through the brakes on the 80G. Dis-assembled all 3 calipers, cleaned pistons and calipers. Rear master cylinder was fairly clean. Front master cylinder was another story, didn't work, had good fluid in the resevoir, emptied it and removed it and found why it didn't work. The entire bore was full of this crap.




    .
    Last edited by Ken Talbot; 04-26-2009, 09:51 PM. Reason: looks even uglier in fill size!
    Richard
    Tags: None
  • #2
    That looks like a delicious soup. Just in time for dinner too! Sorry for not being more helpful. Is is a liquid like normal brake fluid, or more gooey? If it's the gooey you may take a plastic disposable spoon and scoop it out as a start.
    1980 XS11SG
    Dunlop elite 3's, progressive fork springs, tkat brace
    Stock motor, airbox, carbs, exhaust
    ratted out, mean, and nasty

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    • #3
      Richard - Man does that thing look nasty. You may have the record for the spoogiest spooge hole . I'd take it off the bike, get what you can out of it as per Big's suggestion, dissassemble the entire unit and go to work on it with brake parts cleaner and a tooth brush. I'd be wondering how much of that crud made it into the brake lines and calipers too.
      I think I have a loose screw behind the handlebars.

      '79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines

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      • #4
        I ended up taking it off. Dumped it out. Finally got the plunger out and it was full of the same crap. Rebuilt it, cleaned the housing up and shot it with some paint. Fortunately none of that crap got into the brake lines, it was all between the 2 plunger rubbers. Got a handfull a brake now!
        Richard

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        • #5
          Wonder if someone mixed Dot3/4 and Dot 5 fluid? I read in the tech tips or somewhere on XS11 that the two types will form a goo like that.
          Life is what happens while your planning everything else!

          When your work speaks for itself, don't interrupt.

          81 XS1100 Special - Humpty Dumpty
          80 XS1100 Special - Project Resurrection


          Previously owned
          93 GSX600F
          80 XS1100 Special - Ruby
          81 XS1100 Special
          81 CB750 C
          80 CB750 C
          78 XS750

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          • #6
            Don - Looks like somebody tried to mix pudding in that thing - about a million years ago . Glad you got 'er done, Richard.
            I think I have a loose screw behind the handlebars.

            '79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines

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