1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 44Get this manual
Severe Service The fueloi ratio for recreationa models approved for 100: operation must be increased to 50: (2 oil) when used in commercial, rental, or extended severe serviceThe additional oil is required to provide added protection against wear and corrosion of internal partsModels equipped with AccuMix will require 100: (1 oil) fuel oil mixture in the fuel tank in addition to the lubrication supplied by the AccuMix systemequipped recreaThe fueloil ratio remains the same when tional engine is used in commercial, rental, or extended severe serviceNo special consideration is necessaryFuelOil Mixing Instructions INotel To be u.sed if system IS not desiredor AccuMix automatic oiling
under certain conditionsAlways stop engine and do not smoke or allow open flames or spark near the boat when refueling or changing fuel tanksAlways mix in well ventilated area
p Gasoline is extremely flammable and highly explosive
f11 Portable tank -
co 2334 -:J
Pour approximately gallon (4 litres) gasoline