I overheated my mercury 200. has good comp. does start, but now runs rough and somkes more than usual.could the overheating caused electronic problem.like spark wire and so on. the spark plugs are wet. do these engines have oil rings. thanks.
what is a good comp. for the cylinders and what does it mean when you turn engine off pull the spark plug and there is smoke comeing out that cylinder.
mercury 200 1993 overheated. but still have good comp. idle rough now will start with out a problem. what comp. am i looking for on this cylinders . thanks
