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    #1

    Caliper rebuild kit help

    Ive looked at both the 78 and 79 1000 parts fiches and they seem to use the same caliper parts numbers for pistons and pads. Been looking on Ebay and cant seem to find rebuild kits for the front calipers that come with the pistons. Where do you guys get your pistons for the calipers? I can buy rebuild kits to get dust boots and seals easy enough.

    Heres some pics of the good one that came out of these calipers. The other one was pitted. Note it has a slight domed area and is stamped T32A on top. Ideally i just need another of these pistons or a source for a set of new ones. I took pics of the measurements as well.



    THIS DOES NOT INCLUDE THE DOMED AREA...SHOULDER TO BASE ONLY





    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

    NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
    Tags: None
    #2
    Chuck,I looked on Partzilla and the kit says it's available pt# 69100-08821 $61.46

    Comment

      #3
      Front rebuild kits are no longer available. Bummer. The seals and boots ARE available, but not the pistons.

      The rear kits ARE available as grcamna2 mentions. This won't help if you need fronts though.

      In the UK there are sources for stainless pistons. Hopefully one of the UK boys will chime in with a source.
      Ed

      To measure is to know.

      Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

      Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

      Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

      KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

      Comment

        #4
        Maybe the eBay seller of these, which are for the larger diameter single caliper 'C' (larger diameter) calipers may be able to help if you send a query?
        Tom

        '82 GS1100E Mr. Turbo
        '79 GS100E
        Other non Suzuki bikes

        Comment

          #5
          As Ed says....Wemoto, stainless pistons and seals. A bit pricey but they'll last forever, $38.52 for the rear and $64.43 for the front..... plus shipping! I think a few on here have used them, me included.

          Edit... hmm, the front is OEM so not stainless.....
          Last edited by allojohn; 07-05-2021, 10:06 PM.
          -Mal

          "The only reason for time is so that everything doesn't happen at once." - B. Banzai
          ___________

          78 GS750E

          Comment

            #6
            I can recommend both wemoto and "powerhouse"; I bought parts from both of them.
            #1: 1979 GS 550 EC "Red" – Very first Bike / Overhaul thread        New here? ☛ Read the Top 10 Newbie mistakes thread
            #2: 1978 GS 550 EC "Blue" – Can't make it a donor / "Rebuild" thread     Manuals (and much more): See Cliff's homepage here
            #3: 2014 Moto Guzzi V7 II Racer – One needs a runner while wrenching
            #4: 1980 Moto Guzzi V65C – Something to chill

            Comment

              #7
              As already suggested wemoto or powerhouse it may be worth contacting the guy in the link to see what they charge
              Error page | eBay
              https://www.ebay.co.uk/itm/124658204557?chn=ps&norover=1&mkevt=1&mkrid=710-134428-41853-0&mkcid=2&itemid=124658204557&targetid=1280441980921&device=t&mktype=pla&googleloc=1006727&poi=&campaignid=12126078360&mkgroupid=121333320223&rlsatarget=pla-1280441980921&abcId=9300480&merchantid=115154302&gclid=EAIaIQobChMI2LOupNLY8QIVjsLtCh21TAvWEAQYBCABEgIzCvD_BwE
              The big guy up there rides a Suzuki (this I know)
              1981 gs850gx

              1999 RF900
              past bikes. RF900
              TL1000s
              Hayabusa
              gsx 750f x2
              197cc Francis Barnett
              various British nails

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