What year is a mercury outboard with Canadian serial number 7140019?

To determine the year of a Mercury outboard motor with the Canadian serial number 7140019, you can refer to Mercury's serial number lookup charts, which typically provide the manufacturing year based on the serial number. For this specific serial number, it generally indicates that the outboard was manufactured in 1981. However, for the most accurate identification, it's always advisable to consult an official Mercury dealer or service manual.