fwiw I got an evinrude 3.3 for the same price down here and im stoked...its an early 90s model...I didnt even bother doing a comp check, started after 2 tugs after siiting for a couple of years, this thing is spanking "new" there is nothing inside done to it.so pop up the cowling and give it a looksie...
check the carb manifold where it enters the block and look for goop or sealant...if there is it means someone has been fiddling with it and usually the goop is a sign of not using a new gasket(if it uses one) which can mean the mechanic was not meticulous...
however its not a deal killer...same goes for the carb float bowl and other gaskets...if it looks, starts well and runs without stalling out every 30 seconds or so its a keeper...
also check the prop for looseness and whatever cooling method it has, through the exhaust or not or pee hole etc make sure its fine...
enjoy it if you get it....they are like honda motorcycles of days gone by
anvils
peace