Try this link:<br /><br /> http://www.outboardrepairs.com/evinrude_outboards_by_year/?evinrude <br /><br />or 1984 + <br />1.you write the word <br /><br />INTRODUCE<br /><br />2. Number the word 1 to ...<br />123456789<br />INTRODUCE<br /><br />Match the model letters to the word introduce<br />CE8RLCEC<br /><br />C=8<br />E=9<br />8<br />R=4<br /><br />The third and fourth letter is the year.