Grey Sludge

M

mgwood74

Recruit
Joined
May 27, 2008
Messages
1
I have a 2000 Merc 200hp Efi blue water outboard that expell a greyish slimey sludge from the propellar exhaust outlet. What could be causing this and how do i fix it?
 
JB

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Grey Sludge

Howdy, mgwood.

Welcome to iboats. :)

That is a mix of unburned fuel, oil and water. It is normal.
 
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