Re: 1955 johnson 10hp model#qd-16
I think it is better to share answers with all members.<br /><br />QD-16: 1955 10hp@4000rpm. <br />2 cylinder, water cooled.<br />Bore: 2-3/8" Stroke: 1-7/8"<br />Spark plugs: Champion J6C, gapped at .030<br />Points gap: .020