Thanks Tubs, I have that 1971 Service Notice. I will go forth with trepidation and use 24:1 for the early 60s and 40:1 for the 1967.
I also note that they recommend “Leaded” gas for all.
Read the asterisk that applies to your model
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.
