Originally posted by DennisG01
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Notice of Fuel Slick, Exhaust?
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If the engine is running good and the "slick" is larger than normal, it wouldn't hurt to pressure check the LU.
(No oil in the LU when checking)..
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You may be looking for an issue where there is none (see my post above). Sort as a tangent to this, what do your plugs look like? All similar and healthy?
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Originally posted by 99yam40 View PostAll it takes is one cylinder not firing,burning the fuel running thru it to dump into the water to look like that
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Originally posted by panasonic View PostI take it that you have not noticed this before? Perhaps your prop shaft seal could be leaking a small amount...not enough to drip on the ground but enough to see when you put it the water. Might want to have a quick look at that along with the other suggestions.
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All it takes is one cylinder not firing,burning the fuel running thru it to dump into the water to look like that
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I take it that you have not noticed this before? Perhaps your prop shaft seal could be leaking a small amount...not enough to drip on the ground but enough to see when you put it the water. Might want to have a quick look at that along with the other suggestions.
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Since it's a 2-stroke, especially an older one, I would think this is pretty normal, no? They're not exactly known for being "clean burning", after all. I've seen this on many of my/family's 2-strokes. I think it would also be normal to be in an overly rich condition when first starting a 2-stroke, too.Last edited by DennisG01; 01-09-2018, 07:48 PM.
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Originally posted by TownsendsFJR1300 View PostYour signature with engine info is now showing Jason.
As the engine seems to be running fine now, I'd keep an eye on it.
Perhaps check the spark plugs and the fuel pumps for slight leakage.
A failing fuel pump diaphragm may have seeped excess fuel into the crankcase and eventually into the water..
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Your signature with engine info is now showing Jason.
As the engine seems to be running fine now, I'd keep an eye on it.
Perhaps check the spark plugs and the fuel pumps for slight leakage.
A failing fuel pump diaphragm may have seeped excess fuel into the crankcase and eventually into the water..
Last edited by TownsendsFJR1300; 01-09-2018, 08:13 AM.
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Notice of Fuel Slick, Exhaust?
Noticed this fuel slick immediately after cold start. Looked to be emanating from the exhaust. I couldn't tell if it was exiting as vapor or liquid before reaching sea water. Either way, it kinda concerned me. No signs or symptoms of any combustion issues while underway. Perhaps this slick represents fuel that was not ignited when I last ran engine on flush, which was 3 or 4 days ago. Any ideas, concerns, suggestions, etc?Tags: None
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