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Originally Posted by Jimmy_Beam
Not too sure why four strokes would care.
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Me, either. That was my point.
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Unless they did not warm them up for about five to 10 minutes before driving them.
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Perhaps with carbs. With injection, that should not be necessary. But in either case, the alarms sounded well into the run, and after the weather had warmed up above freezing. Oh, well; wasn't my motor making noise anyway.
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I have launched my boat well below freezing and never had a problem (two stroke 70's with oil injection) but when I start them i let them warm up for about 10 minutes before going above 1000 rpm.
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The fault on one of the 2-strokes was a low oil warning. Apparently the guy has the remote oil tank in the console (Boston Whaler Montauk), and the oil thickened in the line that runs through the bilge enough to starve the oil pump.
Not sure what the other 2-strokers problem was, but I assume it was temp related (that one cleared pretty quickly.)
jky