GSX750 ET rear brake

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  • eh74nq
    • Feb 2026

    #1

    GSX750 ET rear brake

    Trying to get a 1980 GSX750 ET back on the road, but the rear brake caliper is a rusty mess so I am looking to get a replacement. I think this caliper has been used on multiple models and looking on eBay there are plenty which appear similar, but does anyone have a list of which models the bike shares this part with?
  • tkent02
    Forum LongTimer
    Past Site Supporter
    • Jan 2006
    • 35571
    • Near South Park

    #2
    The parts bike in my yard has the right one. It's a 1980 GS 750 ET, US version. The rear brake works, I haven't looked inside.

    Are you interested?
    http://img.photobucket.com/albums/v5...tatesMap-1.jpg

    Life is too short to ride an L.

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    • eil
      Forum Sage
      • Dec 2012
      • 3062
      • SE Michigan

      #3
      The caliper itself is made out of aluminum and can almost always be cleaned up to be used again. The only reason to discard one is due to physical trauma. The pistons and seals are a different story, but you typically need new ones of those even when buying a used caliper.

      Pics of yours?

      Have you seen this? http://members.dslextreme.com/users/...r_overhaul.pdf
      Charles
      --
      1979 Suzuki GS850G

      Read BassCliff's GSR Greeting and Mega-Welcome!

      Comment

      • hampshirehog
        Forum LongTimer
        Past Site Supporter
        • Oct 2007
        • 12675
        • Hampshire. UK

        #4
        The caliper from the following bikes will fit ( there may be a one or two I miss).

        GS550
        GS750
        GS850
        GS1000
        GS1100
        GSX750 up to 1982
        GSX1100 up to 1982

        British spec models.

        But before you dump yours tell us what's wrong with it as they are completely serviceable. What you buy might be in even worse state.
        79 GS1000S
        79 GS1000S (another one)
        80 GSX750
        80 GS550
        80 CB650 cafe racer
        75 PC50 - the one with OHV and pedals...
        75 TS100 - being ridden (suicidally) by my father

        Comment

        • grana

          #5
          Originally posted by eh74nq
          Trying to get a 1980 GSX750 ET back on the road, but the rear brake caliper is a rusty mess so I am looking to get a replacement. I think this caliper has been used on multiple models and looking on eBay there are plenty which appear similar, but does anyone have a list of which models the bike shares this part with?


          Found this it might help
          http://www.partzilla.com/parts/detai...100-45020.html

          Comment

          • Guest

            #6

            Buy this, install and ride.

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