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'm trying to reduce the smoke from my year 2000 merc 150hp carbureted 2-stroke. I decarboned the engine with seafoam by mixing it with a gallon of fuel, running the engine for 15 minutes, letting it sit for 15 minutes and repeated three times. The engine seems to run a bit smoother and there's...
