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    mercruiser 3,0 when ran 10 minutes starts running very bad

    This motor overheated got pretty hot it melted all cooling parts in drive exhaust boots ect. I repaired all and engine runs perfect and smooth. Afetr 10-15 minutes Im guessing when engine is good and hot it starts running like crap. Pops through carb and sounds like a leaking exhaust gasket by...
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    2003 GXI-D flooding out hard start only with wot HELP

    03 gxi will only start with wide open throttl and is floode bad black smoke and once running it siurges up and down until it floods it self out then harder to start. will clear out for a short time if rev up high several times then loads back up and dies. pulled plugs on they are black with fuel.
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    60 HP Bigfoor 4 stroke efi HELP! milky oil!

    I have a 2003 mercury bigfoot efi 4 stroke i checked the oil and it is a little on the milky side. I did some searching and some suggest it may be a stuck (open) thermostat i checked it and its working properly. Also motor has never overheated. This is the first i have seen of the milky oil any...
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    1976 omc not pumping water above 2000 rpm

    76 omc stringer not pumping water above 2000 rpm at idle is fine and up to 2000 and quits pumping water new impeller and still same problem. pulled both hoses off rear off exhaust manifolds ( the Fills) and they do not pump at idle untill i re connect them from intermidiate back on th rear of...
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    mercruiser 5.0 tbi/efi pops above 3/4 throttle

    i am working on a 1998 mercruiser 5.0 efi ( not dfi ) it had a fuel issue at first was not getting fuel. i replaced the high pressure cool fuel pump first helped but would only run a couple minutes and run out of fuel. i added a boost pump to supply fuel from tank to high pressure pump and that...
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