That model number would be for a 1984 10 horse evinrude. If it is a 15 horse now than someone has replaced the original powerhead.
A 15 hp Evinrude outboard, model number E15BACEC, would be a 1989 year model.
A 15 hp Evinrude outboard, model number 154040 would be a 1974 year model.
A 15 hp Evinrude, model number RCIS would be a 1981 year model.
The Evinrude 15 HP model CE15REIA was produced in 1995. Evinrude's model numbers typically include a code that indicates the year of manufacture, with "CE" signifying the model year. You can confirm this by checking the serial number, which can provide additional details about the motor's specifications and production date.
The Evinrude 15 HP motor with the model number E15RLESR and serial number RO8539888 was manufactured in 1990. Evinrude's model numbers typically include the year of manufacture, and the "R" in the model designation indicates it is a 1990 model. Always check with a reliable source or Evinrude's official documentation for confirmation.
1974
1978
Model year 1990
E15RLCIS, is a 1981 year model, 15 hp Evinrude outboard.
A 15804b is a 1978 motor.
The year model for Johnson and Evinrude outboards is determined by the "model" number, rather than the serial number.
1991 - the "EI" in the model number tells the year. E = 9 and I =1.