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Waverunner - Battery won't recharge

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  • Waverunner - Battery won't recharge

    My battery light constantly beeps/flashes while on my Waverunner. I took it to a shop and they want to charge $90.00 for a diagnostic. This is a 1999 Yamaha Waverunner GP 800. Has anyone had problems with the electrical system not recharging the battery or do you think it's just the battery itself?

    Thanks for any help you can provide!!

    8)


  • #2
    Re: Waverunner - Battery won't recharge

    could be a bad rectifier, or a bad plug conection from the stator or a bad battery conection, or a broken wire so start with the easy stuff and see what happens, and the fuses should be checked first, and it just may be a weak battery with a bad cell, if you find a cell that is low on water that is a good indication that the cell may be bad, 2 years is about all you should expect from a battery but an inexpensive volt meter will tell you the battery condition, charge the battery with a 1 amp charger for about 12 hours, test the voltage with the ski off it should be 12.5 to 13.5 volts with the volt meter conected turn on the starter and as it turns the engine see what the voltage reads on the battery. if it drops below 11 volts with a load it probably has a bad cell.
    I once thought having a 6 figure income would be great,, now I have a 6 figure income TAX , wats up with that!!

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    • #3
      Re: Waverunner - Battery won't recharge

      "charge the battery with a 1 amp charger for about 12 hours,"

      I guess we can now see why the $90 charge.

      OK - I'm curious, Why the 1 amp charge recommendation??

      Thanks.

      Bob

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      • #4
        Re: Waverunner - Battery won't recharge

        the battery can get too hot and warp the plates or boil off the acid if you use a big charger, 1 amp won't hurt it, 6 amps is ok for a short period of time but if you forget it's on the battery and leave it for a long time it may ruin it
        I once thought having a 6 figure income would be great,, now I have a 6 figure income TAX , wats up with that!!

        Comment



        • #5
          Re: Waverunner - Battery won't recharge

          Thanks for the response - I'm a newbie in the PWC world and will keep this in mind.

          I did charge mine when I got it on 6 amps for a couple hours and it seemed to do alright...

          Bob

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          • #6
            Re: Waverunner - Battery won't recharge

            The lower the charge rate the better, we have peak chargers that go as low as 2 amps.....that's pretty good. They might take 7 hours to charge, but at least the battery has been re-boosted without risk of damage.

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            • #7
              Re: Waverunner - Battery won't recharge

              another thought. most PWC batteries only last 2 to 3 years.
              B

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              • #8
                Re: Waverunner - Battery won't recharge

                bad rectifier.

                Comment


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