Evinrude Outboards How Can I Find Out The Year And Name Of An Evinrude Outboard?

How can I find out the year and name of an Evinrude outboard? - evinrude outboards

The model number 6804B and serial number J0001996.
I know he is 6 HP and more, I do not know, but it works very well.
Any help is welcome.
Thank you in advance.