A 9.8 hp Mercury outboard, serial number 4020915, would be a 1974 year model.
In addition to the serial number, the horsepower of the engine in question must be known to determine the year model of a Mercury outboard.
The year model of a Johnson outboard engine is determined by "model number" rather than the serial number.
In addition to the engine serial number, the horsepower rating is needed to determine the year model for a Mercury outboard.
The engine is 17 years old, manufactured in 1991.
How old is tohatsu outboard M25A serial number 34166
How old is a Johnson 60 HP outboard motor serial G7050973
Johnson and Evinrude outboard motors use the engine "model" number to determine the year model.
it,s a 1988 mercury 50 hp motro
One manual has the number 6263906 listed as a 1983 model
on a 5 year old 40 hp mercury it is on the left side of the engine block
To determine the age of your Mercury 50 hp outboard engine with the serial number 9395969, you can refer to the manufacturer's serial number reference guide or contact a Mercury dealer. Generally, Mercury outboard engines have a serial number label that indicates the year of manufacture. Based on the serial number format, it is likely that your engine was produced in the late 1970s or early 1980s, but confirming with a dealer or reference guide is recommended for accuracy.