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Old 06-29-2014, 12:56 PM   #1
yj1990
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Join Date: Aug 2012
Posts: 91
40 hp mercury 1999-2000 alarm?

yesterday we were out and we had a alarm go off. looks like its a overheating alarm. it would only go off when we got around half throttle. today I checked the plugs the top and bottom plugs looked good the middle looked like running real lean. what my next step to locate whats causing this problem. I just swapped plugs last week and they looked ok so this is something new. It seems to be peeing good. any help would be great thanks scott
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