I recently purchased two antique Johnson's the <br /><br />big one is a TN-28 5 h.p. 1952-53<br /><br />small one is a JW-10 3 h.p. 1952-54<br /><br />What fuel mixture should I use?<br /><br />What is the lever to the right of the pull start on the TN-28?<br /><br />Thanks in advance!<br /><br /> http://tinypic.com/view/?pic=ou1n40 <br /><br /> http://tinypic.com/view/?pic=ou1oow