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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through October 31, 2004 » Gas tank vent - any option available? « Previous Next »

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Dcmortalcoil
Posted on Thursday, October 28, 2004 - 04:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Anyone know why the gas tank vent is directed toward the rear of the bike instead of the air inlet. For example, is there any reason for not inserting the vent hose into the air inlet (where the snorkel is).
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Bomber
Posted on Thursday, October 28, 2004 - 04:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

not sure you'd want any fumes venting into the intake tract -- just a guess, though
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Odie
Posted on Thursday, October 28, 2004 - 04:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

If your tank vents and purges gas like I've heard it does you certainly don't want it going anywhere but on the ground. I guess you could run it somewhere else.......as long as it hits the ground and not parts of the bike......Odie
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Tank_bueller
Posted on Thursday, October 28, 2004 - 05:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Odie has it right!!

Overfilled the tank by only a couple of ounces, thought, oh well it will go down soon enough.

WRONG...when I fired the bike, I'm guessing that the combo of the fuel pump and the vibes at idle sent a nice trickle of fuel right out the "overflow", dripping right on the hot muffler!!

Although the stock location may not be the best, imagine what could happen if all that fuel got dumped into the airbox, and sucked into the intake??
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Wyckedflesh
Posted on Thursday, October 28, 2004 - 05:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The hose you are seeing is the overflow for the tank. The tank vent is mounted right next to the filler under the outer airbox cover on the right hand side. That has a hose that feeds into the airbox.
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Scooterroid
Posted on Thursday, October 28, 2004 - 05:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ah, yes. Imagine gas or even worse gas vapors in the intake manifold. Very dangerous, indeed.
(Just joking)

Steve-O
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M1combat
Posted on Thursday, October 28, 2004 - 09:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Mine feeds over the airbox and down the left hand side of the bike and ends inside the left side rearset...
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Xb9er
Posted on Friday, October 29, 2004 - 08:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Wyckedflesh, the hose you talk about that comes from the tank vent and the tank overflow are one and the same. The hose from the tank vent runs over the top of the inner airbox cover, past the shock and exits inside of the left footpeg bracket (like M1combat said). There is no hose from the tank vent feeding into the airbox.
Mike.

(Message edited by xb9er on October 29, 2004)
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Xb9er
Posted on Friday, October 29, 2004 - 11:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I would not want the gasoline tank vent hose to feed into the air intake snorkel, as Dcmortalcoil suggested, nor would I want it to feed directly into the airbox. Imagine a hot day after a long ride you stop and park the bike for lunch. After lunch you turn the key and fire up the bike.......
And I really mean you fire up the bike.
Mike. : D
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Dcmortalcoil
Posted on Friday, October 29, 2004 - 04:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks. I guess I didn't think about the hazards posed by rerouting.
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Unibear12r
Posted on Friday, October 29, 2004 - 08:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You could also end up with something like what we with California bikes get when we over fill the tank
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