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80 gs1100E Alternator output too high?

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    80 gs1100E Alternator output too high?

    My 1980 GS1100E that I recently purchased is running beautifully. I was surprised that it had lots of blown bulbs (headlight. Tailight, instrument panel illumination, neutral and high beam indicator bulbs. I replaced them all and since then decided to check the voltage out put. I read the battery as I started the bike and at 3000 rpm on choke the voltage was 16.4. As it came down to idle it settled in around 14 volts. Is that normal?

    #2
    Your R/R has failed, or has bad grounds. One of the most common of all GS issues.
    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
      Remarkable question

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        #4
        That's what I thought! Sorry for such a stupid question but I'm still learning.

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          #5
          Yes the regulator is bad. Usually clean grounds will increase the voltage

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            #6
            Originally posted by drewandkellie View Post
            That's what I thought! Sorry for such a stupid question but I'm still learning.
            Is that normal?
            Sorry, I guess you really already knew the answer to that last question.

            and as others are saying either check the connections on the R/R or swap out the regulator.

            The old style (single SCR type) will over charge when there are bad connections.

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