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Author Topic:   Monthly Winter Startup
minimontauk posted 01-26-2003 05:09 PM ET (US)   Profile for minimontauk   Send Email to minimontauk  
I have been asking around about monthly startup vs. fogging, lots of different opinions. I ran the engine (96' Johnson 48 HP) for about 20 minutes with hose and ears attached, stabilized fuel in the tank. I had good water flow throughout, engine seemed to idle smoothly, if noisily. What I hadn't anticipated was the stream of gray oily water coming out with the exhaust gasses around the prop shaft. Is this normal? There was a bit of gray stuff oozing down the skeg for a minute after shutdown also. It wasn't a ton of sludge, but I guess I never realized how dirty a 2-stroke engine is. I'll probably have a bare spot on my lawn this year. This makes me think I should just fog it and be done with it until spring. Opinions?
weekendwarrior posted 01-27-2003 12:18 AM ET (US)     Profile for weekendwarrior  Send Email to weekendwarrior     
If it was blackish then it may be from the exhaust. A friends old 150HP merc would turn the water black when you revved it a bit while flushing.

However greyish makes me think gear oil. If it's eough to be slippery between your fingers then it may be gear oil. Can you smell it? Gear oil does have a distinct bad smell. You may want to check the oil in your gear case to make sure it doesn't have water in it and that it's all the way full.

Arch Autenreith posted 01-27-2003 10:02 AM ET (US)     Profile for Arch Autenreith  Send Email to Arch Autenreith     
My '80 Mariner does the same. I don't like all that crap going into the water either. I'm always checking for leaks in the lower unit and it's always fine.
I fog it and forget it until spring. (about 4-5 months total.) Nary a problem.
whalerron posted 01-29-2003 10:51 PM ET (US)     Profile for whalerron  Send Email to whalerron     
I recently read an article that said if you have gray muck coming out of the exhaust of your outboard, the motor has a bad lower crankcase seal. I don't remember the source or author of the article so I can't make any claims about its validity. Maybe Steve Leone can comment on this?

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