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  1. #1

    99 Polaris SLTX Spark Oddity

    Gurus,

    So I ran my 99 SLTX 1050 perfectly well last summer, and waited impatiently the weather to warm up for me to take it out. So this year I had replaced the plugs, cleaned it to a spark, only to find out that only one of my cylinders is working. Ive replaced the plugs, trimmed the wires. Wire #1 has a VERY healthy spark, nearly an inferno. Wire 2 and 3 will send off one small spark when start is pressed, and that's it. No additional sparks at all from these two wires.

    I redid the wires, thought that was the issues -- it wasnt.

    Any ideas as to what it could be?
    Any and all help would be appreciated!


  2. #2
    Are you 100% sure your battery is charged? A weak battery can cause some strange side effects.

  3. #3

    Battery 100% charged

    It's very strange! First plug is firing perfectly. The second and third both give off one spark in the beginning of the crank, then no subsequent sparks at all....

  4. #4
    ryandi2's Avatar
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    whats the volts when cranking? use a multi meter.. needs to be above 10.6 v to have spark

  5. #5
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    The domestic motors are very touchy with low voltage when cranking. Make sure the battery is good and up to snuff. Bet you a bag of donuts all will be fine with a good battery.

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by ryandi2 View Post
    whats the volts when cranking?

    use a multi meter..

    needs to be above 10.6 v to have spark
    +1

    If your battery is indeed too weak, replace it with a factory sealed AGM type battery. Works much better in a PWC than the traditional lead-acid battery.

  7. #7
    Test the voltage at the battery, or test the voltage at the spark?

    I've kept the battery consistently charged over the winter, and made sure to charge it to 100% through a trickle charge prior to even attempting to crank. After failing, I made sure to fully recharge overnight, and tried it this morning, and while the battery charger shows it being at 100%, still same thing... Plug #1 is firing excellently, the other two just have a one-time small spark, and that's it.

  8. #8

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    You have to measure the voltage at the battery while cranking, with a digital voltmeter, and it MUST be 10.6v or higher.

  9. #9
    Click avatar for tech links/info, donation request K447's Avatar
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    BATTERY voltage must be above 10.6 while the engine is cranking.

    If the battery voltage is strong, and the spark is still not correct, then the question becomes - is this the original ignition system, or the Updated Ignition?

    Polaris Domestic (red) engine

  10. #10
    So it looks like the voltage is 12.3V while cranking. I also tried attaching my car's jumper cables to the car battery and cranking, same result.

    This is what I have inside the box... is this new or old stuff?



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