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    #1

    Caliper Rebuild Question

    Both of my front calipers are goopy. If my understanding of what I am looking at is correct, each have two rubbery boot type things. On each caliper, one of those boots are disintegrated into a goopy black mess.

    Is this something where I just need to replace the boot? Or could this be symptomatic of a larger problem?

    Thank you
    Tags: None
    #2
    Sounds like brake fluid got ahold of them which means a leaky seal. I do believe someone out there makes rebuild kits fro them. Try the mrcycle link I sent you.
    1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
    1985 GS1150ES stock with 85 Red E bodywork.

    Comment

      #3
      Originally posted by J_C View Post
      Both of my front calipers are goopy. If my understanding of what I am looking at is correct, each have two rubbery boot type things. On each caliper, one of those boots are disintegrated into a goopy black mess.

      Is this something where I just need to replace the boot? Or could this be symptomatic of a larger problem?

      Thank you
      The "rubbery boot" is the external dust seal. Once you pry out that seal, then you need to remove the piston. Inside the caliper bore, you will see the actuall piston seal.

      Comment

        #4
        OK, thanks guys. I think I'll have to buy two of those rebuild kits and buy new dust cover boots

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          #5
          order parts to rebuild the master cylinder too

          Comment

            #6
            Can't rebuild the master on the 1980 model I dont think...

            Comment

              #7
              Originally posted by J_C View Post
              Can't rebuild the master on the 1980 model I dont think...
              I just did. Got the kit from mrcycle. What a difference.
              Last edited by chef1366; 09-25-2006, 03:03 AM.
              1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
              1985 GS1150ES stock with 85 Red E bodywork.

              Comment

                #8
                Originally posted by chef1366 View Post
                I just did. Got rhe kit from mrcycle. What a difference.
                I cant find it on the website... anyway you could post a link?

                I thought you ended up buying a new piston... where'd you find the kit?

                Comment

                  #9
                  Originally posted by J_C View Post
                  I cant find it on the website... anyway you could post a link?

                  I thought you ended up buying a new piston... where'd you find the kit?
                  Page Not Found
                  http://www.mrcycles.com/fiche_select.asp


                  scroll to bottom and enter the bike info:

                  1.PISTON & CUP SET 59600-47810 1$24.70
                  2.DIAPHRAGM 59667-33620 1$6.08
                  3.PLATE 59668-33620 1$3.34
                  5.RESERVOIR 59687-47050 1$11.55
                  7.WASHER 08322-01063 (replaces 08322-21065) 2$1.08
                  8.BOLT 01500-06253 (replaces 01107-06255) 2$0.76
                  9.O RING 59686-33620 1$4.48

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