Year model serial number

Rob, AQABVA71K899 does not seem to come up as a valid # for referencing engine. Check the attached links,instruction and guides, Good luck
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Outboard Engine Serial Number Year Match up
Evinrude Outboard Motor Model Numbers
EVINRUDE OUTBOARD MOTOR MODEL YEAR LOOKUP GUIDE 1913 1979 MASTERTECH MARINE

To get the year of Johnson and Evinrude outboards use the word "INTRODUCES". Each letter corresponds to "1234567890" respectfully. It's best to check with a model year reference book, but this motor's model number contains "CC" which would indicate it's a '88.

An evinrude dealer may be able to help you

try reading this on ehow http://www.ehow.com/facts_7292301_evinrude-year-identification.html

yes if yuo go to iboats.com the forum will allow you to search by serial number and give info on your outboard.

Here are a few resources: http://www.themanualstore.com/Evinrude-Johnson-Outboard-Motor-Model-Year-Lookup-Guide-s/232.htm

and the manual too:
http://www.themanualstore.com/Evinrude-Manual-Outboard-Motor-Service-and-Repair-Manuals-s/190.htm

The Manual Store also has some useful boat motor model year lookup data:
Boat Motor Model Year Lookup Guide