Where is the serial number on a 1985 75hp mercury outboard?

The serial number on a 1985 75hp Mercury outboard motor is typically located on the transom bracket or the mounting bracket of the motor. It can also be found on a metal tag or a sticker attached to the engine. Check the area near the engine's powerhead or the port side of the motor for the number. If you're having trouble locating it, consult the owner's manual for specific guidance.