I took off the lower unit to replace the impeller and put the lower unit back on and it goes in neutral and in gear but takes some force to put back in reverse gear. I took it off and placed it back on trying to line up the gears a few times but still get the same thing. The lower unit is in...
I have a 1986 40 hp Mercury Thunderbolt Ignition motor on my boat. The old ignition switch was broke so I replaced it and then lost the keys so I replaced it again but when I took it off this time I did not think to mark the wires and now I do not know which wire goes where on the new ignition...