Re: Johnson K-50 Pressure Relief Valve?

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squierka39

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Replies: 610
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#75306

Ok, here’s how it worked. There is an aluminum cylinder inside the housing. When the motor is stopped it drops down, gravity, and the exhaust can escape. Start the motor and get moving the water starts to flow by the vacu pressure system. Some water is diverted to the cutout pushing the cylinder up and closing off the exhaust opening diverting it down and out under water. Simple . Problem is it got gunned up with exhaust and can stick.