What year and hp is an evinrude model with serial number 15918-03522?

To determine the year and horsepower of an Evinrude outboard motor from the serial number 15918-03522, you would typically refer to Evinrude's serial number charts. However, based on the serial number format, it's likely that this model is from the mid-1970s to early 1980s and could be around 35 hp. For exact details, it's recommended to consult Evinrude's official documentation or a marine engine specialist.