MUDDY EXHAUST

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boaterntexas

Petty Officer 1st Class
Joined
Feb 4, 2003
Messages
254
I HAVE A 1976 MERC 115HP, Yesterday while runnign on the hose in my bakcyard I noticed that after a while at above idle rpms (2000) at all exhuats ports ( prop, & relief) there was a mud like substance comming out, and lots of it. It's grayish in color, and has a mud like texture.. any idea as to what is going on?
 
J

Jeff_reeder

Cadet
Joined
Oct 15, 2003
Messages
8
Re: MUDDY EXHAUST

I had the same problem last week w/ my Merc. after running at trolling speed all day on a no wake lake. I cleaned the sparkplugs and was able to get it to another lake and run it wide open. No more sludge coming out. Need to make sure all cylinders are firing. Good luck.
 
M

mellowyellow

Vice Admiral
Joined
Jun 8, 2002
Messages
5,327
Re: MUDDY EXHAUST

a decarb will help clean out the exhaust, but<br />if she's running good, I wouldn't be worried.
 
H

Hasbeen

Petty Officer 2nd Class
Joined
Aug 29, 2003
Messages
167
Re: MUDDY EXHAUST

This is just a slight chance of whats going on!!<br /><br />Here in Oregon we have a wasp that builds nests with mud, its amazing how fast they can build one!! We call the Mud Daubbers!<br /><br />Could be!! They can get into some very small areas!<br /><br />Hasbeem
 
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