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    Stern Drive leak

    I have a 1992 trophy 2352, 5.7 mercruiser, Alpha 1Gen 2 outdrive, while on the water yesterday we noticed that water was coming into the boat thru the outdrive housing, some from up high where the steering arm is and more from lower in the housing.. other than bellows leaking, could anything...
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    Thanks Don S.(5.7 thermostat)

    Don you were right, there's no test like an on the water test. took boat out Wed. and ran 30 min. or so water temp got to about 165-175 while running about half throttle and never got above 180... hopefully that problem is done for. Thanks
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    Mercruiser I/O thermostate problems

    Was wondering if anyone was having problems or has heard of problems with mercruiser thermostates for 5.7 engines. I am on my fourth one and they all seem to go bad after one or two uses (engine run on muffs at idle)when first replaced they work fine no overheating but day or two later run the...
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    overheating problem 5.7 Mercruiser

    Want to thank those who replied to my mayday on 4/4/2008 about my overheating 5.7 in my 92 Trophy. I did as you suggested and got a Temp. gun and checked temps on block,heads,exhaust manifolds and intake. checked water flow into engine and engine water pump. Culprit was a malfuncting...
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    5.7 merc wants to run hot

    I'm starting to run out of ideas here. I have 1992 trophy 2352 with 5.7 mercruiser I/O alpa, engine rebuilt 1 month ago, bored .030, heads redone and all new pistons and rings bearings ang gaskets, new manifolds with new risers were installed new waterpump in outdrive,new thermostate and hoses...
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