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Petcock is leaking out the atmosphere valve

Old 09-03-2018, 05:32 PM
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Therustableyew
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Petcock is leaking out the atmosphere valve

my petcock on my 98 superhawk is leaking out the atmosphere valve and Iíve taken the petcock apart and made sure the diaphragm wasnít ripped but now Iím just completely stumped
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Old 09-03-2018, 07:33 PM
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I assume you mean the atmosphere vent protruding from the bottom of the petcock. I think the only way it could leak is if the diaphragm is torn or incorrectly seated.
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Old 09-03-2018, 07:35 PM
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Originally Posted by CaryDG View Post
I assume you mean the atmosphere vent protruding from the bottom of the petcock. I think the only way it could leak is if the diaphragm is torn or incorrectly seated.
any advice on the proper seating of the diaphragm ie tips of tricks?
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Old 09-03-2018, 11:36 PM
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You probably know this but, I found it much simpler with either the petcock removed or at least the tank off and upside down. This makes centering the diaphragm and compressing the spring much easier.
It only takes a micro pin hole for fuel to leak through. Usually anything bigger (rip, etc.)will cause noticeable fueling problems.
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