Just fired up my grandfather's '63 Mercury "60"<br />a 6hp outboard that had been stored since 1980.<br /> Owners manual has oil mix at 16oz of SAE30 or SAE40 non detergent per 2 gals of gas unless I'm using Merc Formula 2 Quicksilver,then it's 12oz per 2 gals of gas.<br /> I used Penzsoil 2...
