It's on a plate that's screwed to the top of the transome bracket.. Just above the tilt lock.
1986
1070310
The year model for a Johnson outboard is determined from the engine model number, rather than the serial number.
Johnson outboards uses the model number, to determine the age of the engine.
The Johnson boat motor model J175GLE0M with the serial number G03909150 is likely from the year 1990. The model number indicates it is a 175 horsepower motor, and the serial number provides specific information about its production date. For precise confirmation, you can consult the manufacturer's resources or databases that track engine serial numbers.
To find the year of manufacture for a Johnson outboard, the model number, (rather than the serial number), is used.
The engine model number, rather than the serial number, is required to determine the year model of a Johnson, or Evinrude outboard.
To find the year of a Johnson boat motor, locate the serial number or model number, usually found on the motor's transom bracket or powerhead. You can then reference this number against a Johnson outboard motor year chart, which can often be found online or in owner's manuals. Additionally, contacting a Johnson dealer or marine mechanic may provide assistance in identifying the year based on the serial number.
Johnson outboards uses the engine model number to determine the year model of the engine.
To find the year model of an Johnson outboard, the model number is needed. From the serial number posted above, I can see a 25 hp Johnson, that is all.
my serial # is 81885 on a Silverline boat.
1980. If you google the S/N it will show up