Re: 1958 Johnson JW 14 not running

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outbdnut2

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#68354

As Frank said, look for a blown headgasket on that model between the cylinders – If bad, compression will be equally low on both cylinders. When you took the carb apart, did you check the thick "donut" gasket that looks like a thick fiber washer, that is at the bottom of the venturi outer housing that hangs down through the hole in the carb float ? If that is bad or missing, you can start it but unless you have the throttle at a slow idle, it will immediately flood and quit in about 2 seconds. Often this falls off when you take the carb apart and you don’t notice it is missing.
Dave