Old 07-08-2015, 09:09 AM
Join Date: Dec 2005
Location: Hillsboro, OR
Posts: 224
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Is that a screw together fuel filter on the feed line from the tank to the NV....get rid of that...they are notorious for leaking. Try connecting a basic known good tank with nothing but a clunk, vent, and good fuel line to the Needle Valve......if it still does the same thing....you know your tank and plumbing are good and you need to start looking into what is at or after the NV. Also replace the tube going from the NV to the carb...they can develope small air leaks too.

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