Overheat warning Johnson 90

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Posted by mark ( on June 06, 2005 at 06:26:44:

I have 90hp Johnson outboard. Shortly after I leave the dock and throttle up to mid to high speed, the overheat warning horn sounds. I have to idle througha weedy bay first. The water pump indicator is working so I know the water pump is at least doing its job. On one occassion, I tuned the motor off and waited 15-20 minutes and re-started and the motor runs fine the rest of the day. I've also taken a chance and continued operation and the warning stopped after a few minutes. Suggestions?

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