I have a question, I have replaced the impeller but I am having doubts on what direction to spin the shaft when pushing down on the housing, I took out the lower unit with the motor on drive, when I spin the shaft clockwise, the prop moves clockwise as in forward motion, so I am assuming the...
I have a 1981 Mercury 650 3 cyl., every time I run the engine, I get a small black residue sludge from behind the prop section, is this normal from old engines or is there a bigger problem lurking?