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Buell Forum » XBoard » Archive through October 19, 2013 » Does my XB12ss idle sound normal (video)? « Previous Next »

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Schleppy
Posted on Thursday, September 05, 2013 - 09:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I know that the motor in the Buell is noisy. But I feel like mine has more "knock" at idle than others. The knock goes away as soon as I touch the throttle, so I don't think it's anything serious. It's also not the primary (it's within spec). I blip the throttle a bit in the video for illustration:

http://www.youtube.com/embed/Qp0wO2YcO0M
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Fotoguzzi
Posted on Friday, September 06, 2013 - 08:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

it sounds a lot like my Uly.
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Teeps
Posted on Friday, September 06, 2013 - 11:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds pretty normal to me.
Try pulling the exhaust valve cable, under the air cleaner cover and see if the noise changes.

NOTE:
Do not move the exhaust actuator cam by hand, it can damage the gear drive inside.
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Schleppy
Posted on Friday, September 06, 2013 - 12:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Teeps: My exhaust valve actuator is completely removed, along with the cables. The bike has a drummer on it (with a quiet cap in the tip).

So you guys have a bit of a light "knock" at idle too?
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Ericz
Posted on Friday, September 06, 2013 - 02:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A good trick is to hold a towel over the exhaust outlet. You can hold it there just long enough to quiet the exhaust noise and hear any engine sounds.
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