Aftermarket Master Cylinder/reservoir/lever recommendations

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  • dubwicht
    Forum Apprentice
    • Sep 2024
    • 89
    • Alberta, Canada

    #1

    Aftermarket Master Cylinder/reservoir/lever recommendations

    The master cylinder reservoir was messed up on my GS1000L (round type) and I am looking for an aftermarket master cylinder/lever/reservoir unit. Any recommendations? I see many cheap Chinese options but want something decent without spending a fortune. Thanks Doug
  • beley45
    Forum Newbie
    • Jan 2022
    • 5
    • Calgary , AB

    #2
    Im using a brake master from a 2009 ninja 650r on my 79 gs1000L right now. Seems to have decent feel with the stock calipers.

    This: without the pink lever...https://www.ebay.ca/itm/204680058419...mis&media=COPY
    1979 GS1000"L"

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    • dubwicht
      Forum Apprentice
      • Sep 2024
      • 89
      • Alberta, Canada

      #3
      I will have a look. Thank you.

      Comment

      • Nessism
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        Super Site Supporter
        • Mar 2006
        • 35790
        • Torrance, CA

        #4
        This is another version of the EX650 master. It has a mirror lug, and 5/8" bore, which is the proper size for a GS w/dual discs.



        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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        • salty_monk
          Forum LongTimer
          GSResource Superstar
          Past Site Supporter
          Super Site Supporter
          • Oct 2006
          • 14001
          • London, UK to Redondo Beach, California

          #5
          The one Nessism recommends is highly recommended. Works very well with both OEM Calipers & the Twinpot calipers used in the brake upgrade.
          1980 GS1000G - Sold
          1978 GS1000E - Finished!
          1980 GS550E - Fixed & given to a friend
          1983 GS750ES Special - Sold
          2009 KLR 650 - Sold - gone to TX!
          1982 GS1100G - Rebuilt and finished. - Sold
          2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

          www.parasiticsanalytics.com

          TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

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          • Rich82GS750TZ
            Forum Guru
            Past Site Supporter
            Super Site Supporter
            • Jun 2018
            • 5573
            • Mifflinburg, PA / Land of Tar & Chip

            #6
            If going with a MC from another brand, be sure of the banjo bolt thread size/pitch. It’s probably 10mm x 1.25. Your GS came with 10mm x 1.00 pitch banjo bolts. Suzuki changed to the more common 1.25 pitch years later. I'm fairly certain of this info, but best to take whatever MC you buy and check it in a gauge (any decent hardware store has one).​

            As Ed says “To measure is to know.”
            Links

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