Re: YEAR AND HORSEPOWER
That's a 1958 18HP, gt.<br /><br />Fuel mix is 24:1, 87 octane unleaded and TC-W3 rated outboard oil. One quart to six gallons<br /><br />Plugs are Champion J4C (replaced J4J) gapped at .030"<br /><br />Set point gap at .020".<br /><br />Good luck, and welcome to iboats.