GS700ES w 4800 miles Quick Test

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  • glib
    Forum Sage
    Past Site Supporter
    • Jul 2014
    • 1175
    • Stockton, CA

    #1

    GS700ES w 4800 miles Quick Test

    Key off: 12.66
    Key on: 11.99
    Idle: 13.75
    2500 14.99
    5000 15.83
    Key off: 12.89

    Bad R/R?
    What type did they have on this bike? It's a keeper so Compu-fire? How much could I ride it before bad things happen?
    sigpic
    1983 GS1100ES (Bought July 2014)
    1983 GS1100E (Bought July 2014)
    1985 GS700ES (Bought June 2015) Sold
    On Christ the Solid Rock I Stand
    All Other Ground is Sinking Sand
  • hillsy
    Forum Sage
    • May 2008
    • 1469
    • Brisbane, Queensland, Australia

    #2
    15.83 is pretty high (too high). Are you sure your voltmeter is good?

    If so, then you probably need a new RR.
    Current:
    Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

    Past:
    VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
    And a bunch of other crap Yamahas....

    Comment

    • posplayr
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      • Dec 2007
      • 23673
      • Tucson Az

      #3
      R/r is probably only as bad as it was coming from the factory. The newer r/r s regulate better than that. If you are going to keep it then I would suggest a series r/r.

      Comment

      • glib
        Forum Sage
        Past Site Supporter
        • Jul 2014
        • 1175
        • Stockton, CA

        #4
        Originally posted by hillsy
        15.83 is pretty high (too high). Are you sure your voltmeter is good?

        If so, then you probably need a new RR.
        Yea that's what I figured. Voltmeter is good. Been using it to diagnose and repair my other bike which we just got dialed in.
        sigpic
        1983 GS1100ES (Bought July 2014)
        1983 GS1100E (Bought July 2014)
        1985 GS700ES (Bought June 2015) Sold
        On Christ the Solid Rock I Stand
        All Other Ground is Sinking Sand

        Comment

        • glib
          Forum Sage
          Past Site Supporter
          • Jul 2014
          • 1175
          • Stockton, CA

          #5
          Originally posted by posplayr
          R/r is probably only as bad as it was coming from the factory. The newer r/r s regulate better than that. If you are going to keep it then I would suggest a series r/r.
          Do you think it would hurt anything if I put a few hundred miles on it before I get the new R/R?
          sigpic
          1983 GS1100ES (Bought July 2014)
          1983 GS1100E (Bought July 2014)
          1985 GS700ES (Bought June 2015) Sold
          On Christ the Solid Rock I Stand
          All Other Ground is Sinking Sand

          Comment

          • Nessism
            Forum LongTimer
            GSResource Superstar
            Past Site Supporter
            Super Site Supporter
            • Mar 2006
            • 35808
            • Torrance, CA

            #6
            I would NOT ride the bike that way. The voltage will damage your battery and might even fry the ignitor. There are a lot of that vintage GS bikes with damaged ignitors and the parts are getting hard to come by.

            And get a Shindengen SH775 w/harness adapter from Triumph. Check the archives for more information.
            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

            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az

              #7
              Originally posted by glib
              Do you think it would hurt anything if I put a few hundred miles on it before I get the new R/R?
              I would not do it. You stress parts you are reducing their lifetime even if it all seems to work. You should absolutely not be over 15.0v and if your meter is right you are way over that.

              you could ride 400 miles but you are still stressing the other electrical stuff as Ed is saying.

              Comment

              • glib
                Forum Sage
                Past Site Supporter
                • Jul 2014
                • 1175
                • Stockton, CA

                #8
                Originally posted by Nessism
                I would NOT ride the bike that way. The voltage will damage your battery and might even fry the ignitor. There are a lot of that vintage GS bikes with damaged ignitors and the parts are getting hard to come by.

                And get a Shindengen SH775 w/harness adapter from Triumph. Check the archives for more information.
                I've read a fair number of threads with reference to the Shindengen SH775 but have not seen anything about the adapter from Triumph. I'll start searching buy why that particular adapter?
                sigpic
                1983 GS1100ES (Bought July 2014)
                1983 GS1100E (Bought July 2014)
                1985 GS700ES (Bought June 2015) Sold
                On Christ the Solid Rock I Stand
                All Other Ground is Sinking Sand

                Comment

                • posplayr
                  Forum LongTimer
                  GSResource Superstar
                  Past Site Supporter
                  • Dec 2007
                  • 23673
                  • Tucson Az

                  #9
                  See GS stator in my sig. It lists the sh775 and connector

                  Comment

                  • Guest

                    #10
                    Originally posted by glib
                    I've read a fair number of threads with reference to the Shindengen SH775 but have not seen anything about the adapter from Triumph. I'll start searching buy why that particular adapter?
                    Triumph use an R/R with the same body as the SH775. They have a nice factory made harness that plugs into the sockets properly and gives you pigtails to connect to, all for around $10. The alternative is to individually connect to the blade connectors in the SH775 sockets with wires and then pot the sockets with silicone or whatever to waterproof and secure everything. For the money, the Triumph harness is the cleanest, highest quality, most secure way to connect the SH775 to your bike's wiring harness. The only downside is it is somewhat bulky and makes mounting the SH775 a bit trickier.

                    My $0.02, YMMV.


                    Mark

                    Comment

                    • glib
                      Forum Sage
                      Past Site Supporter
                      • Jul 2014
                      • 1175
                      • Stockton, CA

                      #11
                      Thank you. The R/R is mounted horizontally on the GS700ES with the connectors pointing inward so maybe it won't be such a chore making it fit.
                      sigpic
                      1983 GS1100ES (Bought July 2014)
                      1983 GS1100E (Bought July 2014)
                      1985 GS700ES (Bought June 2015) Sold
                      On Christ the Solid Rock I Stand
                      All Other Ground is Sinking Sand

                      Comment

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