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    1986 Mariner 150HP Cooling Issues, PLEASE HELP!!!

    Hi, So here's my dilemma. I crank my boat up and my alarm runs for what seems to be no set time. Sometimes its 1 minute, sometimes its 5 or 10 minutes. Here is the problem..... My boat will idle fine up to about 3-5 mph and the temperature gauge won't go up, it stays in the middle. As soon...
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    1986 Mariner 150hp overheating questions from a NEWB!

    Hi, I am not the most handy when it comes to engines, etc. So, I know this forum has alot of intelligent people that can help me out! Here is my problem: I checked my motor today. I cranked it up and let it idle for 15 minutes. It was peeing. After idling it did not overheat at all...
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