59686-33600 Front Master cylinder o-ring dimensions

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    #1

    59686-33600 Front Master cylinder o-ring dimensions

    I?m looking to order the correct oring for my ?78 GS750 master cylinder. The parts fiche doesn?t show the correct o-ring (cross section too thin) so I was wondering if somebody Had the dimensions for 59686-33600 handy.

    Thanks
    matt
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35792
    • Torrance, CA

    #2
    There are O-ring calculators online that can help. O-rings need a little stretch and crush when installed to function properly. If you can't get the help you need online post up some dimensions and someone here can help.
    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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    • fastbysuzuki
      Forum Mentor
      Past Site Supporter
      • Nov 2012
      • 996
      • Wyre, Lancashire.uk

      #3
      If you are going to source your own You need Ethylene Propylene Rubber (EPR) O-rings are suitable for use with corrosive Skydrol hydraulic fluid, as well as steam, water, silicone oils, brake fluids and alcohols. This material is known to display good heat and compression resistance.
      Last edited by fastbysuzuki; 07-21-2019, 04:36 PM.
      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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