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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Archive through December 24, 2015 » Stuck/plugged Fuel Vent? « Previous Next »

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Hughlysses
Posted on Sunday, October 25, 2015 - 01:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've noticed a weird one during my last couple of fill ups: When I unlocked the gas gap it popped out with a noticeable release of pressure. That would seem to indicate that the vent valve assembly is plugged or stuck or the hose itself is plugged or pinched. I'm pretty sure the hose is OK, but I do need to check it.

Anyone else ever had this on their Uly?
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Griffmeister
Posted on Sunday, October 25, 2015 - 06:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So far I have the opposite problem. If I don't go at least a few miles after fill up I get gas out the vent. Should be easy to test, when it's near fill up time, pop off the air box cover and pull the hose off. If you get a blast of air when the hose comes off then it's plugged. Otherwise it's the valve. I'd be curious to know what you find.
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Hughlysses
Posted on Sunday, October 25, 2015 - 06:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The hose is even easier to check than that- I can just pull off the end and blow through it. Most of the hose is nearly new as I replaced it a few months ago due to dry-rot.
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Arry
Posted on Sunday, October 25, 2015 - 07:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it's replaced recently, it may have gotten kinked in the routing.
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Griffmeister
Posted on Sunday, October 25, 2015 - 10:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"The hose is even easier to check than that- I can just pull off the end and blow through it."

Don't do that in public.

The rest should be easy if you have some extra hose. Put the hose on the valve, remove the tank cap and try to suck (simulate venting) through it. Wonder what could happen to it?
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Hughlysses
Posted on Friday, October 30, 2015 - 06:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I pulled off the air box cover this afternoon. No apparent restriction in hose or valve. I think the hose was slightly pinched between the frame and the air box over by the left rear bolt. I rerouted the hose slightly and I think that'll fix the issue.
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