this is a great site i have learned so much here:)my question is this i recently bought a 1973 65hp johnson motor and the compression is 110 on all cylinders what can i do to maintain this?and also what is the max rpm s it can be ran at?
my question is this i recently bought a 1973 65hp johnson motor and the compression is 110 on all cylinders what can i do to maintain this?and also what is the max rpm s it can be ran at?