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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through February 28, 2007 » Temperature changes and vibrations « Previous Next »

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Ft_bstrd
Posted on Thursday, October 19, 2006 - 12:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Now that the weather is getting a little cooler, I have noticed that I have a vibration as I accelerate through 4000-4500 rpms. It is not gear specific. I noticed it after I had not ridden the bike for about a week and the weather was in the low 40s. I didn't notice it as much yesterday as it was in the low 80's here yesterday. There is no loss of power and it doesn't run rough, I just feel a vibration through the seat of the pants and through the handle bars and pegs. At 4500+ it smooths out and it is smooth up to 4000.

Has anyone else noticed this? Is it temperature related, frequency of ride related, or do I have some sort of mechanical problem coming up?

I'm coming up on my 5000 mile service, and I am going to have the TPS reset and timing checked. I am considering of replacing the spark plugs as well.

Thanks.
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Blake
Posted on Friday, October 20, 2006 - 06:08 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Deja vu? : )

Check exhaust tract fasteners and components including header nuts, and check primary chain adjustment. A Buell is very good at telling you when something needs adjusting or is getting loose in the exhaust tract. : )
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Mrh
Posted on Sunday, October 22, 2006 - 02:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
My XB12Ss also had vibration at 4000-4500 rpm which was due to the primary chain too tight. The chain when checked cold was within the 3/8-1/2 inch range specified in the service manual, but when set 1/2-5/8 inch the vibration went away.
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Ft_bstrd
Posted on Sunday, November 26, 2006 - 06:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
I have the bike at the dealer to have the primary chain adjusted. We'll see what happens.
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Gschuette
Posted on Wednesday, September 26, 2007 - 11:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
I noticed the exact same thing today so I got on here to see what it might be. Did you ever get this figured out? Was it the primary chain? Too tight? That would make sense I suppose with the colder weather.

Sorry to pull up such an old post.
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