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1990 OMC Cobra geting over heat.... Need help

TamPC's Avatar
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01-31-05, 10:54 AM   #1  
1990 OMC Cobra geting over heat.... Need help

I just got the 1990 Four Winns with 4.3L OMC Cobra on it.
The engine start and run good the only is engine geting over heat.
This is my first inboard, so please help where do I need to check? what the most common thing cost this problem?


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Ed Imeduc's Avatar

Join Date: Aug 2002
Posts: 18,389

02-07-05, 07:38 AM   #2  
First thing is check the water pump impeller. That is the first thing that goes out. Then is the heat exchange clean.


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