Trying to rebuild the carburetors on a 1984 Mercury 90hp, 6 cylinder. I have tried to remove the external brass plugs and also the main jet, but they are frozen. I have tried the appropriate size screw drivers, but have not success. One of the jets looks pretty bad now. Any suggestions?<br...
I just purchased a 1984 fish and ski with a Mercury 90 hp (6 cylinder). The motor starts and runs great, but it is temperamental when I need to idle it up to the dock or trailer after a long run at full or half throttle. It does appear to idle fine whenever I do short runs between fishing...