Re: 1980 50HP Mercury outboard not locking to lock pin
yea I had this problem to turn out that the shaft that pulls the hooks down had rust and i had to beat them loose with a hammer. if yours isn't rusted to bad it maybe the cam that locks it down maybe bad. try putting the engine in reverse out of the water and seeing if the hooks move down at all if not see if you can pull them down could be its just frozen up