The Evinrude model number 100293R corresponds to an outboard motor manufactured in 1974. Evinrude often uses a specific coding system for their model numbers, where the first two digits typically indicate the year of manufacture. In this case, "29" indicates the motor was produced in 1974.
1990
You would need to give us the model number to tell the year - the serial number makes no difference. The model number is usually on the clamp bracket somewhere.
1971
1982
1967 - the first two numbers indicate the model year.
E15RLCIS, is a 1981 year model, 15 hp Evinrude outboard.
The 4 hp Evinrude, model 4904D, was manufactured in 1979.
1982 Regards
The letters in the model number designate the year model, when compared to a model / year guide.
The year is 1992 -the "en" in the model number identifies the year.
Johnson outboard model number J175EXARG, would be a 1994 year model.
A 4 hp Johnson outboard, model number J4REIA, is a 1991 year model.