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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through August 17, 2013 » High speed wobble « Previous Next »

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Tcook
Posted on Saturday, June 15, 2013 - 12:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

bought a 2007 ulysses with 900 miles on it. first run i noticed a high speed wobble devoloping starting at 80 and bad at 85(down the interstate for a piece)

so i read the manuel and performed the chassis adjustments as the book says.

better, but still there is a touch of wobble. any advice?
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Ulynut
Posted on Saturday, June 15, 2013 - 07:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does it have the Dunlop D616s on it?

If so, the problem is most likely the tires.
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Swrsmik
Posted on Monday, June 17, 2013 - 05:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have a slight wobble too,let me know what u come up with.I just mounted conti motions,but don't remember if it was there before.mine is minor even at low speed.
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Akbuell
Posted on Wednesday, June 19, 2013 - 09:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Not really an issue that comes up often. Perhaps the folks in the Big, Bad, and Dirty section have more info.

In any case, careful inspection of all components is the place to start. Tire pressures correct? Tires mounted properly and in good condition (no bruised sidewalls, tread true to the bead, ect)? And this applies to both tires.

Both fork legs at the same height in the triple tree? Both fork legs have the same settings for compression and rebound? Front axle properly torqued? Are the steering stem bearings on good condition and properly preloaded?

I'm sure you get the idea. Once the front is done (and check wheel bearings), then a careful check of the rear.

Finally, a change, even a very slight one, in riding position or how tightly you grip the bars may be of help.

Hope this helps, Dave
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Kalali
Posted on Saturday, July 13, 2013 - 02:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Theoretically, with only 900 miles on the bike, assuming the bike has not been in an accident, the components like bearings - steering head and wheel, fork springs, etc., should all be in like new condition. Aside from uneven fork settings, I think the front tire is the primary suspect here possibly caused by the tire resting in one position for an extended period of time.
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Mcintodo
Posted on Sunday, July 14, 2013 - 05:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have you eliminated yourself as the cause? (imagine a polite clinical tone, vice a condescending sarcastic one).
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Doz
Posted on Thursday, July 25, 2013 - 07:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Really guys? The rider produces a "wobble" ?
Not even seeing how that is possible unless the rider has some sort of nervous condition.
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Doz
Posted on Thursday, July 25, 2013 - 07:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Checking all that's been mentioned, maybe the steering head bearings or swingarm loose.
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Davegess
Posted on Thursday, July 25, 2013 - 10:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had a slight one on my R on the original tires. It got better when the suspension was dialed in better, never got it perfect. mine was from 55 to 60. Went away above or below that and also was less if I relax my grip.

The pirellis cured it.
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