The Phelon F 514 refers to the magneto. This marking is usually stamped on the top of the flywheel. You need to look elsewhere on the motor for the model nmber and serial number.
The horsepower for an Evinrude outboard, can be determined from the engine model number.
Model number 6303, would be a 1973 year model, 6hp Evinrude outboard.
1991 model, 15 horsepower
Two items are needed to determine the year model 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.
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.
A 25 hp Mercury outboard, serial number 6459040, is a 1984 year model.
In addition to the engine serial number, the horsepower rating is needed to determine the year model for a Mercury outboard.
To determine the Mercury outboard year model, in addition to the serial number, the horsepower of the engine in question is needed.
A 25 hp Mercury outboard, serial number 5848745, is a 1981 year model.