Johnson JW-23<br />Year: 1968<br />HP: 3<br />WOT RPMS: 4000<br />Displacement: 5.28CI<br />Cylinders: 2<br />Weight: 34 lbs. <br />Fuel/Oil mix: Originally 50:1 87 octane gas to TC-W3 rated outboard oil. I strongly suggest you mix a little heavier (40:1 or even 32:1). See the Oil Mix FAQ in the FAQ forum for details.<br />Spark plugs: Champion J6C gapped at .030" (J6J is no longer available).<br /> Picture<br />From the old OMC Site. <br /><br />3hp Tuneup article.<br /><br />Great engines those little 3hps!
