The serial number, along with the horse power for Mercury outboards, will tell you the year model only. The serial number, and hp rating of a particular engine, is compared to a model year chart to determine the year of manufacture. Models produced in the early 80's and later, also have a model and year designation printed on the serial number label. Example.... 90ELPTO, 90hp, electric start, power trim, oil injected.
An 65 hp Mercury outboard, serial number 4266564 is a 1975 year model.
All that can be determined by the serial number only, is that this engine is a pre 1986 year model.
The 20HP Mercury outboard with serial number 9137627 was made in 1979.
The serial number 9137327 for a 20 HP Mercury Outboard is not not listed in the Mercury Marine parts catalog.
To determine the age of a Mercury outboard, you will need to know the engine serial number, and the horsepower rating.
A 9.9 hp Mercury, serial number OG031959, is a 1995 year model outboard.
Two things are needed to determine the age of a Mercury outboard, the serial number, and the horsepower rating.
A 9.9hp Mercury outboard, serial number OB120743, is a 1987 year model.
An 20 hp Mercury outboard, serial number 3143107, is a 1971 year model.
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.
A 35hp Mercury outboard, serial number A184641, 1985 year model.