Garry in Tampa wrote:1955 ten would be a QD Johnson - First year of 10 horse Evinrude Sportwin was 1956 and it DID have the single pawl starter. . . . . .
Gary - do you have the parts diagram that shows the cam and the spacers/shims/spring under it?
Mine's a holy mess - the spring's broken and scored away most of the bottom of the cam, leaving the mag plate covered in steel shavings/powder
my first clue was when it started to miss....