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've got a '65 (I think) 90hp johnson outboard that runs well for the most part, however it consistently hits rough spots where the engine seems to be running at half speed even when the throttle is all the way down. I've checked the spark plugs and run carberator cleaner through my gas but...