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  1. #1

    Default 15hp Johnson commercial

    Hi new here can't seem to get outboard running properly new fuel new plugs sometimes starts for a bit then won't start help please

  2. #2
    Join Date
    Sep 2010
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    ontario
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    Default Re: 15hp Johnson commercial

    A model number helps.

  3. #3

    Default Re: 15hp Johnson commercial

    Sj15rps thanks

  4. #4
    Join Date
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    Default Re: 15hp Johnson commercial

    That would be a 1995 model.-----------If the motor sat for any time then I would clean the carburetor.

  5. #5

    Default Re: 15hp Johnson commercial

    It's was running and stopped bottom plug wet put new plug in no different got it home new fuel new plugs still no joy

  6. #6
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    Sep 2010
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    ontario
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    Default Re: 15hp Johnson commercial

    Check for spark.---------Does primer bulb go hard , yes or no ?

  7. #7

    Default Re: 15hp Johnson commercial

    Yes bulb is getting hard and there's a spark

  8. #8
    Join Date
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    Default Re: 15hp Johnson commercial

    Will that spark jump a gap of 3/8" or 1 cm , yes or no ?

  9. #9

    Default Re: 15hp Johnson commercial

    hi went to out board to check spark Very weak now nothing mate

  10. #10
    Join Date
    Sep 2010
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    ontario
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    13,648

    Default Re: 15hp Johnson commercial

    Your ignition system needs work done.

  11. #11

    Default Re: 15hp Johnson commercial

    What should I check first mate

  12. #12
    Join Date
    Sep 2010
    Location
    ontario
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    Default Re: 15hp Johnson commercial

    Do you still have strong spark on one cylinder ?---If so switch the ORANGE wires to the coils and report if now other coil has strong spark ?

  13. #13

    Default Re: 15hp Johnson commercial

    No spark off ether mate

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