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xj1100 rear brake help

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  • #1

    xj1100 rear brake help

    Hey,

    Putting my brakes back together after being apart for the past 6 months and I am not sure if I have it correct. At least I have no parts left over, a good start in my books! I know that the caliper needs to be able to swivel on the rotor but there seems to be a large space inbetween the caliper and the mounting point that seems to be missing some sort of spacer. Am I missing a part or is this how it goes? I stopped tightening up the mounting bolt because it is going to bind the pads soon (between the caliper and the mounting point, you can see it in the picture). What am I doing wrong?

    I also posted this over on the xjbikes forum but I cannot post photos there for some reason so I could not get the help I need.

    This is what it looks like now.

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  • #2
    There is a thick flat washer (#10) that should go between the O-ring and the caliper bracket.

    Last edited by bikerphil; 01-04-2011, 09:42 PM.
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

    ☮

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    • #3
      Yep, that big washer is missing. It fills in that whole space.
      1980 XS850SG - Sold
      1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
      Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
      Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

      Whether you think you can, or you think you cannot - You're right.
      -H. Ford

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      • #4
        Thanks guys!

        I don't remember seeing it when I took it apart (bike was a non-running POS when I got it). I boxed all the pieces and haven't thrown anything out so I'll dig through what I have and see if I missed it. May have to make one or source a used one if I can't find it.

        Thanks again!

        Comment

        • #5
          The thickness of the washer is 4.5MM, 28MM width.
          2H7 (79) owned since '89
          3H3 owned since '06

          "If it ain't broke, modify it"

          ☮

          Comment

          • #6
            Thanks Phil! Man you are really on the ball!

            Had a dig through the parts box and I couldn't find it. I did find one that is at least very close. The only washer that I could find that was near that size is a chrome washer (Or at least it used to be chrome) which is 4.35mm thick and 27mm round. I think this was one of the washers for mounting the shocks. I'll see if it works tomorrow without binding the brake pads.

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            • #7
              Originally posted by bikerphil View Post
              The thickness of the washer is 4.5MM, 28MM width.
              beat me to it as I pulled the washer off the parts bike to check it out.
              Just ME and my 82 XJ 1100. Mac 4>1-2 1/2" open baffle shotgun, no octy, K&N pod filters, LED tail/brake light & directionals, 750 FD mod, Ear Cannon air horn, modified bars and dash. "Motorcyclists are all bound together by a brotherhood tie through their love of the sport, and what difference does it make what machine he rides as long as he belongs to the clan." Walter Davidson, Dec. 1920 edition of Harley-Davidson Enthusiast Magazine http://s851.photobucket.com/albums/ab78/justme1100/

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              • #8
                The shock washer center hole is 8mm and the caliper one is 6 IIRC. Could always just stack some fender washers if need be.
                2H7 (79) owned since '89
                3H3 owned since '06

                "If it ain't broke, modify it"

                ☮

                Comment

                • #9
                  Originally posted by bikerphil View Post
                  The shock washer center hole is 8mm and the caliper one is 6 IIRC. Could always just stack some fender washers if need be.
                  I've been thinking the same thing. And pretty sure its the same as the special fronts in case anyone close to you has an extra.
                  79SF
                  XJ11
                  78E

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