If the engine has a dip stick or oil fill plug, so that you can check the crankcase oil level, then it is a 4 stroke engine and no oil / gas mix is required.
The gas to oil mix ration for the Johnson boat motor is 40:1 for this year and style outboard. Some people might suggest 50:1 but this can cause your motor to gall and may cause you to loose a ring or two.
dose this engine take oil or gas mix
it uses 87 octane if a 2 stroke motor you need to mix 1 pint of oil to 6 gallons of gas
motor is a 1970 model, built by Eska for Sears. Eska is now out of business, however the powerhead part &motor itself was built by Tecumseh & still very much in business. The mix for this motor is 24:1 using normal 2 cycle motor oil (as for chainsaws/lawnmowers - not normal marine oil..."
50to1
From the oil you mix in with the gas
It is a gas/oil mix motor, you don't change the oil.
yesw 16 to 1
No. This is a 4 cycle motor that runs on straight petrol (gas).
Merc's use a 50:1 mix
50:1
mix 50:1