Welcome to Iboats, Santaman7!<br /><br />Johnson Model CD-24 (that's probably a D at the end, not that it matters.)<br />Year: 1967<br />HP: 6<br />WOT RPMS: 4500<br />Displacement: 8.84 cu.in. = 144.8 ccm<br />Cylinders: 2<br />Weight: 51 lbs. = 23.1 Kg<br />Gear Ratio: 15:26<br />Spark plugs: Champion J6C gapped at .030" (J6J is no longer available)<br />Fuel/Oil ratio: 50:1 87 octane gas to TC-W3 rated outboard oil.<br />Lower unit oil: BRP 'HiVis' or other SAE 90/80W GL-5 rated outboard lower unit oil.<br />Some info above comes from The Old OMC Site.
