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    #1

    Boiling battery juices.....

    So, last friday I was out riding my 550es. On the way home I started having high idle, and it wouldn't restart itself.

    Waht I discovered when the bike finally died was that my battery was 2/3 empty of acid. And there was some lovely corrosion from the boiled out electrolyte.

    Any thoughts?

    I've tested the r/r and after installing a working battery it goes from 12.12v to 12.5v depending on rpm. The voltage does climb with rpm.

    I'm worried I'm going to boil off the electolyte in this new battery too.
    You'd have to be crazy to be sane in this world -Nero
    If you love it, let it go. If it comes back....... You probably highsided.
    1980 GS550E (I swear it's a 550...)
    1982 GS650E (really, it's a 650)
    1983 GS550ES (42mpg again)
    1996 Yamaha WR250 (No, it's not a 4 stroke.)
    1971 Yamaha LT2 (9 horsepower of FURY.)
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    #2
    If 12.5v is all that your battery is seeing, then I would say that it is not boiling the acid out. I would think it would have to be several volts higher to be doing that.


    Rick

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      #3
      Me too. Then again, the old battery could have a dead cell or two. Which would make 12v cause it to boil over.
      You'd have to be crazy to be sane in this world -Nero
      If you love it, let it go. If it comes back....... You probably highsided.
      1980 GS550E (I swear it's a 550...)
      1982 GS650E (really, it's a 650)
      1983 GS550ES (42mpg again)
      1996 Yamaha WR250 (No, it's not a 4 stroke.)
      1971 Yamaha LT2 (9 horsepower of FURY.)

      Comment

        #4
        The voltage from the charging system can be relatively normal, and the electrolyte can boil from excessive amperage. I would actually suspect that more if I were seeing only 12 to 12.5 volts. 13.75 is more the standard charging system output.

        Comment

          #5
          Well I need to go for a long ride befroe we can determine that. The battery we put in the bike wasn't exactly the freshest battery on earth ;-) And was used to crank a 1980 gs550e for a good 5 minutes.
          You'd have to be crazy to be sane in this world -Nero
          If you love it, let it go. If it comes back....... You probably highsided.
          1980 GS550E (I swear it's a 550...)
          1982 GS650E (really, it's a 650)
          1983 GS550ES (42mpg again)
          1996 Yamaha WR250 (No, it's not a 4 stroke.)
          1971 Yamaha LT2 (9 horsepower of FURY.)

          Comment

            #6
            Do what I did, and go "sealed" Glass Mat! No more boiling over!!

            Of course you'll still need to determine whether your problem was caused by a defective old battery or a problem in the charging system.

            See Ya Soon, Pal!

            Comment

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