FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have a 90HP Mercury outboard. Lately I've noticed the volume of water that cools the engine and flows out of the exit spout has greatly diminished. It's gone from a steady flow to a trickle especially at low revs. I have not noticed that the engine is overheating. Should I be very concerned...
