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    30 hp mariner over heating

    I have a mid 80s mariner and i have been having some trouble with it overheating. it has a strong stream out of the tell tale and as far as i can tell it doesnt have a thermostat. i was wondering if anybody had any ideas as to what might be causing it. thanks.
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    Yamaha made mariner thermostat

    i have what i believe is an 86/87 mariner. it was yamaha made and it was made in japan. i have been having problems with the motor over heating. just replaced impeller and it has a strong stream coming out of the tell tale. i was wondering if these motors have a thermostat and if they do where...
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    mariner parts. yamaha or mercury?

    Hello everyone. I have a mid eighties mariner motor that was made by Yamaha. It is a thirty horse and it asking has a made in Japan tag on it. I am needing to change the impeller and water pump on it and I'm not sure which parts to use. Any feedback would be appreciated. Thanks
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