Also, here’s a link to a Sierra catalog showing typical tune-up and service parts all the way back to your ’56 Johnson. Just enter the model number, year and hp at the top of the page.
https://catalog.sierraparts.com/marine
Bob
1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1955 Johnson QD-16
1957 Evinrude Fastwin 18
1957 Evinrude 3022
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20
1982 Evinrude 25hp
“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."
