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  1. #1
    ValBugi's Avatar
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    "12V LOW" message flashing during start up

    Hey guys, 06 RXP has the 12V low message flashing only during start up, no batt light and no hesitation during cranking. Goes away shortly after the engine is started. According to the previous owner battery is less than a year old. I'm going to test the battery before the next time I go out, but is there anything else I should be concerned about?

    thanks


  2. #2
    GGG's Avatar
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    Seems like it could be a weak battery. You'd be surprised how fast it cranks with a fresh one in there. Age isn't as important as maintenance on a battery especially in cold climates where it's not being used for months at a time. you leave a battery dead for a month.... it's toast

  3. #3
    ValBugi's Avatar
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    Quote Originally Posted by GGG View Post
    Seems like it could be a weak battery. You'd be surprised how fast it cranks with a fresh one in there. Age isn't as important as maintenance on a battery especially in cold climates where it's not being used for months at a time. you leave a battery dead for a month.... it's toast
    Good call, I'll just change it.. I'll feel better with a new one anyway!

    thanks!

  4. #4
    wotxxxsd's Avatar
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    I've had low volt show up on new batteries.
    It's never been an on going thing just every now and then.
    I buy a lot of used skis and have 75% of them with bad batteries.
    I'd have the battery load tested before dropping the $$$ for a new 1.
    They can test it at any battery's + store or automotive parts place.

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    I've seen the low 12v reading lots of time when the battery tests out just fine. It appears that some Seadoo mpems are a bit touchy and if your battery goes even .1 volt below the 'low" threshold during cranking, it will trigger that message until the next voltage check.

    It's so common I mention it on the service page of my website.

    At the least clean up the battery connections with some emery paper.

    Might want to check your battery with a hydrometer ( assuming a lead/acid vented battery) to see if one cell has a far lower acid concentration then the others.

    Careless battery setups (with the batteries that come with a single acid dispenser ) can cause this problem. The batteries with the six pack dispenser are far more reliable when setting up as the extact same amount of acid goes into each cell.

    Frankly speaking, the price of a new battery is far less then the peace of mind benefit you will reap knowing you've got a new one in there.

    You don't want to find out that you've got to get that paddle out of the front storage when you're over a mile from your dock with nobody else in sight...do you?

  6. #6
    Kaybat's Avatar
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    +1 my ski's done that(occasionally) since it was new,at almost 400 hrs, its never been a problem.my rectifier was moved(stage 1) i thought i read on here that it could cause this,i'm not sure though.

  7. #7
    ValBugi's Avatar
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    Thanks for the info guys... I'll probably change it anyway, as we said piece of mind, regardless if it still flashes.

    And I relocated the rectifier as well for the Riva intake so maybe that's the cause as well

  8. #8
    GGG's Avatar
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    I have yet to find a good consistent battery tester. I can have 2 batteries test the same and one would die on me while cranking it in flood mode during an oil change. So that's my test. If the battery survives an oil change, it's good to go

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