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  1. #1
    Cadet
    Join Date
    Jul 2003
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    Chalmette
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    11

    Default Loss of power 1998 Johnson 150 Ocean Runner

    It started out running great,ran it for 3 hours with no problem. slowed down to a trolling speed about 5hps and it killed. But ran great again at high speed. Well today I had it wide open and it would only do like 10hps. and once in a while take off going about 40. Anybody have any ideas?I need of helpMike

  2. #2
    Admiral
    Join Date
    Apr 2002
    Location
    Miami Fl
    Posts
    7,459

    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    Whenit slows down squeeze the bulb in the fuel line a few times. If it speeds up you have a fuel system problem (blockage, air, fuel pump, carbs etc.).

  3. #3
    Cadet
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    Jul 2003
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    Chalmette
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    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    Thanks for the reply SoLittle. I tryed that didn't seem to work. I did notice when I trim out some time and I get a load on the battery it bougs down a little.Mike

  4. #4
    Cadet
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    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    BTTPlease helpMike

  5. #5
    Chief Petty Officer
    Join Date
    Aug 2002
    Location
    Long Island,New York
    Posts
    566

    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    Your motor should have the "System check" installed.Are there any lights/alarms on the gauges?Do you have a system check guage installed?

  6. #6
    Cadet
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    Jul 2003
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    Chalmette
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    11

    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    I have some gauges with alarms. but no alarms went off.

  7. #7
    Cadet
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    Jul 2003
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    Chalmette
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    Default Re: Loss of power 1998 Johnson 150 Ocean Runner

    it was the stator

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