Just found out my 2003 90hp 4str is shot, previous owners did not flush very well hole ate thru in block. Noes the question is new opti- max or 4strk rfi. Any comments on either.. Thanks
Lee
Just discovered when I checked the oil in my 90 hp mercury 4 stroke it was milky. Motor recently serviced after sitting for a couple of years. Took it out a couple of weeks ago after serviced and ran fine. Ran too good to be a blown head gasket or could it still run ok with a blown gasket. Any...