I ran across a free out board that looks like the old sears. It looks like a lawn mower engine (aircooled). It has acroo the front "Clutch Drive" or "Clutch Shift"?? How can I ID this motor. It runs, but there the carb bowl leaks from where the springed screw goes into the bottom of the bowl. Is it likely I would be able to find a carb kit, or is this something that just has to be fabricated?