How Do You Determine the Year of a Honda Outboard Motor by the Serial Number?
Honda Marine provides information about the year an outboard motor was built through the serial numbers of motors manufactured between 1997 and 2006. To determine if your model was made during or after those years, you can match two letters embedded into the serial number with a corresponding year on a chart.
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Locate the serial number
Look around the side of the outboard, just below the widest top part of the motor. If you cannot locate it, call a Honda Marine dealer for assistance. Find the two-digit letter or letter and number combination around the middle of the sequence, just after a number that corresponds to the horsepower of the engine. For example, if your serial number has the following format: XX25A3XXXX, 25 indicates the horsepower amount, and A3 indicates the year built.
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Find a chart
Check iboats.com to decipher your serial number.
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Match your number
Specific two-digit letter and number combinations match respective years between 1997 and 2006. As of 2014, DK or AK indicates anything made in 2007 or beyond. Motors with letters or numbers that don’t have a match were made before 1997.
