The 120 and 140 are the exact same engine except the carburetors are different on the 140.
How old is a Johnson 60 HP outboard motor serial G7050973
Johnson 4hp outboard bj4brcud
55 hp.
I have a 1972 85esl72 Johnson outboard motor and I use a 50:1 ratio.
A model TD 20, is a 5 hp Johnson outboard, manufactured between 1946 and 1949.
the motor is a 1967 outboard
25:1
between 90-120
A 200 hp Johnson outboard, model number J200STLCDR is a 1986 year model.
That is a 1956, 30HP Johnson motor.
A Johnson outboard, model number LT-10, would be a 1940 model, 5 hp motor.
A Vintage Johnson 857171 outboard motor is from the year 1975. These small motors were designed for fresh water use on boats between 10 and 15 feet in length.