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  1. #1

    fire on front plug only

    my 1998, slxh 1050 polaris jetski is firing on one plug what can be the problem? any help or suggestions appreciated

  2. #2
    stubburnjdh's Avatar
    Join Date
    Jun 2009
    Front Royal VA
    Try new plugs. Did you try switching plug wires around to see if problem follows? You can use the one known good wire and test the other two cylinders to see if they fire.

  3. #3
    tried new plugs but the the 2nd and 3rd are barely firing, not near as strong as the first one.

  4. #4
    johnsonmtz's Avatar
    Join Date
    Oct 2006
    Mt. Zion Illinois
    #1, remove the spark plug boots, trim 1/4" off the end of the wires and reinstall the boots. If you still have weak/no spark on CEN and MAG you will need to start diagnosing the entire ignition system.


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