The horsepower rating is one of factors needed to determine the year model of a Mercury outboard. All that can be known from the serial number only is that the "OB" model Merc was manufactured during the late eighties.
In addition to the serial number, the horsepower rating is required to determine the year model of a Mercury outboard.
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.
Two items are needed to determine the age of a Mercury outboard, the serial number and the horsepower rating.
In addition to the serial number, to determine the year model of a Mercury outboard, the horsepower rating is needed.
Two things are needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.
In addition to the serial number, to determine the year model of a Mercury outboard, the horsepower rating is needed.
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.
To find the year model of a Mercury outboard, both the serial number, and the horsepower of the engine, are needed.
Two things are needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.