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1980 GS550 master cylinder size?

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    1980 GS550 master cylinder size?

    I've been searching and Googling since yesterday and still can't find a clear answer.

    1980 550 with single front disc.

    Is the master cylinder bore 14mm or 16mm (5/8")?

    #2
    Info on page 118 of the Suzuki Factory Service manual for your bike. http://members.dslextreme.com/users/bikecliff/
    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

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      #3
      Since I'm on my phone right now and can't download the manual, care to share the bore size?

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        #4
        All Suzuki single caliper bikes use a 14mm bore master. Dual disc is 5/8's.
        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

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          #5
          Thank you! Much appreciated.

          Comment


            #6
            Hey Scott, if you have a smartphone than you can download the manual since it is a PDF file and it should open just fine. I do it that way on my iPhone so I have it at the garage anytime I'm there
            Cowboy Up or Quit. - Run Free Lou and Rest in Peace

            1981 GS550T - My First
            1981 GS550L - My Eldest Daughter's - Now Sold
            2007 GSF1250SA Bandit - My touring bike

            Sit tall in the saddle Hold your head up high
            Keep your eyes fixed where the trail meets the sky and live like you ain't afraid to die
            and don't be scared, just enjoy your ride - Chris Ledoux, "The Ride"

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              #7
              I do, but at the time I had no Wi-Fi and it would have taken nearly an hour to download.
              I'll definitely be saving the manual on my PC as well.

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