Hello again everyone, just picked up a 77' johnson outboard tiller motor that has a blown powerhead for $50 that i just couldnt turn away,im debating on whether to part it out or find a powerhead to get it going again.anyone know of the possible years of the powerheads that will fit this motor besides just for 77. its a shortshaft , pullstart ,sea horse motor, its in pretty good condition without rust.your opinions will help alot. thanks again