According to your model no. It appears to be a 1980 model. I'm not for sure though. It doesn't look like a full model number. Check out the link below.<br />Good luck. <br /><br /> http://www.marinshopen.se/guide/omc/omc8098.htm
SALE4EVER<br />1980 Model number year dated. 5RCSS . On Johnson and Evinrude use the model number to find the year. Mercury uses their serial number to date them.<br />Backfire