The 15 horsepower Mercury outboard motor does not have a water pump. The outboard motor is air cooled and does not have a need for circulating water.
Two items are needed to determine the year model of a Mercury outboard, the serial number, and the horsepower rating.
Two items are needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.
In order to determine the age of a Mercury outboard, in addition to the the serial number, the horsepower is needed.
Two items are needed to determine the age of a Mercury outboard, the serial number and the horsepower rating.
There are two items needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.
Two things are needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.
In order to find the year model for a Mercury outboard, the horsepower, in addition to the serial number, is needed.
To find the year model of a Mercury outboard, both the serial number, and the horsepower of the engine, are needed.
In order to answer this question, the horsepower rating of the motor has to be known. Mercury outboards use the serial number, and horsepower, to determine year model.
A 25 hp Mercury outboard, serial number 5848745, is a 1981 year model.
A 25 hp Mercury outboard, serial number 6459040, is a 1984 year model.