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  1. #1

    Sl900 ignition trouble

    I have a 1996 sl900 with no spark, stator passes ohms tests, but cdi has only 3.6 dc volts output to stator. using 9 volt battery to test stator does not produce spark. have checked circiut board and unit passes all other tests found here and in the climber manual. any info will help


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    It does sound like the CDI has failed.

    For your 1996 machine, there is an ignition update kit, which provides a better design stator and CDI, at a decent package price.

    Have a look here;
    Polaris Domestic (red) engine

    And here;
    Polaris PWC Parts Sources

    Note: The battery MUST be strong, or you will not have spark. I presume you have checked, but as a reminder, while cranking the engine, the battery voltage must stay above 10.6 volts.

  3. #3
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    +1 on the battery voltage requirement, I just installed an ignition update kit on an sl900 and it started fine with the shop battery ( a monster)..put the customers battery in ( on slow charge all day) and it started

    all good right?

    well the next morning..no start..crankin like a mother but no spark..sure enough the battery voltage was too low. Customer went for a new battery after i showed him that it cranked right up on the shop monster.

  4. #4
    Brand new battery at full charge will produce intermitent spark temporarly. But engine will not start. Is there any possibilty of steeping up to a battery with more cranking amps or will it damage the electrical system.

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by RIDERSRUNMOTORSPORTS View Post
    Brand new battery at full charge will produce intermittent spark temporarily. But engine will not start.

    Is there any possibility of steeping up to a battery with more cranking amps or will it damage the electrical system.
    You can install a larger battery, but that will not fix the core problem.

    As long as the battery can deliver more than 10.6 volts, the battery is not the problem.

    If that machine still has the original ignition system, it is time for an update kit.

  6. #6
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    the test procedure provided is complete..as painful as it is, go thru it and check each and very component with care, if it all looks good..then likely the cdi box croaked and time for the update kit. One was recently had for $250 on ebay.

  7. #7
    This watercraft already has the upgrade kit. Any other ideas??
    Thanks for all the help

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