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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through February 22, 2009 » Throttle body fitting 04 xb12r « Previous Next »

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Bryguy269
Posted on Sunday, February 15, 2009 - 01:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

posted this in the KV too but there is way more traffic here. When getting ready to change intake gaskets, i noticed a fitting on the throttle body that has no hose connected to it, is this normal and what is it for?


fitting
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Firemanjim
Posted on Sunday, February 15, 2009 - 02:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There is a vacuum hose that goes there IIRC from the carbon cannister. If left open it is a big vacuum leak.
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Diablobrian
Posted on Sunday, February 15, 2009 - 03:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

+1

After you cap it your bike should run much better without the massive vacuum leak,
especially at lower speeds.

(Message edited by diablobrian on February 15, 2009)
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Bryguy269
Posted on Sunday, February 15, 2009 - 04:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks, I've had the bike for over 4 years and this is the first i've even noticed it... wonder why there isn't/wasn't anything on there to begin wtih.
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