1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 21Get this manual
FuelOil Mixing Instructions
INote To be used if engine's oil mixing unit is not desired
11 Gasoline is extremely flammable and highly explosive under
Portable tankAbove and below 32 (00 e), add one gallon (4 litres) of fuelPour in required amount of oilAdd remaining fuelInstall filler cap and tip tank gently to distribute oil
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
W rn 11 Permanently Installed Tank -
Above 32 (00 e), pour oil slowly with the fuel as tank is filledBelow 32 (0 e), add one gallon (4 litres) of fuel to separate containerPour in required amount of oilInstall filler cap and tip container gently to distribute oilSlowly pour oilfuel mixture into tank with fuel as tank is filledTo prevent static spark, use large metal filter funnel as shown in figureThe fuel nozzle must contact the metal funnel when filling the tank