Please Help (Outboard Overheating)

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  #1  
Old 09-04-06, 06:56 PM
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Question Please Help (Outboard Overheating)

I Have A 1989 120 Hp Evinrude after a few minutes the warning buzzer starts and will not go off what would cause this
 

Last edited by fountain; 09-05-06 at 06:00 PM.
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  #2  
Old 09-20-06, 09:25 PM
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Wink

First and always check the water pump impeller.

ED
 
  #3  
Old 09-21-06, 06:25 AM
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Hello fountain. Welcome to the Boats, Sailing, Pwc's & Navigations topic and the Do-It-Yourself Web Site.

To further elaborate on the question, I would first take a visual inspection of the water volume coming out of the warm water (cooling) exhaust hole. Commonly referred to as a "P" hole.

If that volume seems less than prior, when the described condition, did not result, (warning buzzer activation) chances are the water pump impeller is worn out.

If such is the case, the entire lower end, (prop shaft) needs to be removed. Inside that assembly, near the bottom but just above the prop gearbox,i s the water pump.Which is inside it's own housing.

The pump housing needs to be disassembled, cleaned and a new impeller installed. All parts reassembled per instructions. Advisable also, replace thermostat and clean out (flush out) all internal and external water passage ways, as needed.

If you're not handy mechanically, have the proper tools and skills, etc. this is a job best left for or to the professionals.

Warning:
Continued usage of the engine, in it's current state & condition, will lead to major engine failure, resulting into huge repair costs or total engine replacement needed.

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  #4  
Old 09-21-06, 03:09 PM
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most of the time all you need to replace is the pump impeller istelf and not the housing or anything. the gaskets would need replacing too. also the thermostat can sometimes cause this if it gets clogged up. both things are easy to do.
 
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