HYspeed Master Cylinder rebuild kit

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  • dgates1
    Forum Mentor
    Super Site Supporter
    • Jun 2024
    • 348
    • Arlington, TX

    #1

    HYspeed Master Cylinder rebuild kit

    Anybody have any experience using these HYspeed brand rebuild kits for early model GS master cylinders?

    Only other kit I can find is the CruzinImage one for twice as much with shipping, and have to wait for it to come from Japan.
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    - David
    80 GS850GL, 82 GS1100G
    Arlington, TX
    https://visitedstatesmap.com/image/ARMNMTNDSDTXsm.jpg
  • dgates1
    Forum Mentor
    Super Site Supporter
    • Jun 2024
    • 348
    • Arlington, TX

    #2
    Front master cylinder with the round angled reservoir. And no, i don’t want to replace the whole master cylinder. I just replaced the reservoir. That was tricky to find!
    - David
    80 GS850GL, 82 GS1100G
    Arlington, TX
    https://visitedstatesmap.com/image/ARMNMTNDSDTXsm.jpg

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    • salty_monk
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      Super Site Supporter
      • Oct 2006
      • 14002
      • London, UK to Redondo Beach, California

      #3
      Yeah good luck with that... aftermarket brake rebuild kits are a lottery at best! Given that I'm not bothered about originality an EX650 master cylinder is what I use...
      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/

      Comment

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

        #4
        Originally posted by salty_monk
        Yeah good luck with that... aftermarket brake rebuild kits are a lottery at best! Given that I'm not bothered about originality an EX650 master cylinder is what I use...
        I also use EX650.

        P1010741 by nessism, on Flickr

        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

        • Big T
          Forum LongTimer
          Past Site Supporter
          Super Site Supporter
          • Mar 2005
          • 12401
          • West Slope, OR

          #5
          I'd trust the Cruzinimage parts over the other.

          Everything I've bought from him is excellent quality
          1978 GS 1000 (since new)
          1979 GS 1000 (The Fridge, superbike replica project)
          1978 GS 1000 (parts)
          1981 GS 850 (anyone want a project?)
          1981 GPZ 550 (backroad screamer)
          1970 450 Mk IIID (THUMP!)
          2007 DRz 400S
          1999 ATK 490ES
          1994 DR 350SES

          Comment

          • dgates1
            Forum Mentor
            Super Site Supporter
            • Jun 2024
            • 348
            • Arlington, TX

            #6
            Problem is, the kit for my bike from Cruzinimage does not come with the dust cap for the end of the plunger. That thing got destroyed when I took it apart.
            - David
            80 GS850GL, 82 GS1100G
            Arlington, TX
            https://visitedstatesmap.com/image/ARMNMTNDSDTXsm.jpg

            Comment

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