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  1. #1
    Join Date
    Apr 2012
    Location
    Evansville Indiana
    Posts
    11

    Default 1976 105 overheats at idle

    My 105 overheating buzzer goes off if i let it idle for a short period of time, but if i run the motor at a faster speed i have no problems. Can anyone help?

  2. #2
    Join Date
    May 2010
    Location
    Sebastian ,Fl
    Posts
    2,238

    Default Re: 1976 105 overheats at idle

    Sounds like the impeller is worn out.
    Not that big a job.
    Profile? Location? You might be close to someone who can help.J
    Get towing insurance.Great investment.
    88 Bayliner with twin 85's

  3. #3
    Join Date
    Apr 2012
    Location
    Evansville Indiana
    Posts
    11

    Default Re: 1976 105 overheats at idle

    I thought the same, i'm new to boats, this would happen to be my first, do i'm not to familiar with the outboard, I do know it is pushing water through the impeller though.

  4. #4
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    12,298

    Default Re: 1976 105 overheats at idle

    Classic symptoms of an old impeller with broken / missing vanes and vanes that have taken a " set " with time. Impellers should be replaced about every 3 years !

  5. #5
    Join Date
    Apr 2012
    Location
    Evansville Indiana
    Posts
    11

    Default Re: 1976 105 overheats at idle

    Okay thanks, how hard is it to replace the impeller?

  6. #6
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    12,298

    Default Re: 1976 105 overheats at idle

    Depend on your ability.-------Just a few nuts and bolts is all that is involved.

  7. #7
    Join Date
    Apr 2012
    Location
    Evansville Indiana
    Posts
    11

    Default Re: 1976 105 overheats at idle

    I am mechanically inclined, and def have all the tools, just curious as to how big the job is?

  8. #8
    Join Date
    Sep 2010
    Location
    ontario
    Posts
    12,298

    Default Re: 1976 105 overheats at idle

    Not much to it ---------You-tube has all kinds of tutorial videos on the subject.

  9. #9
    Join Date
    Apr 2012
    Location
    Evansville Indiana
    Posts
    11

    Default Re: 1976 105 overheats at idle

    Okay thanks for the help, more just the trouble of finding one, and a prop as well

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