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400ex carburetor help.

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Hey, i bought a 400ex today and it was sitting for a while. But now whenever we have the gas on, gas will leak through the pilot jet, i mean pour out till its empty. Any idea how to fix this, or even what we did wring?

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Are you saying it's pouring out the idle air screw on the front? (want to be sure... Pilot jet is inside the bowl). If it's coming out of the idle air screw, you might have a few more issues, like your float, your overflow tube might be blocked, and your idle air screw might be missing some O rings.

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