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Wobble Help

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Old Feb 21, 2019 | 09:39 PM
  #1  
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Default Wobble Help

I have a 2007 Ultra with 29k miles. On the highway(I95) bike rides normal at 70-75 mph but going at 80 or more bike becomes squirrelly and on decel it starts to wobble. Replaced the tires thinking they were the issue.New rear tire less than a month old(Shinko 777) and new front tire(Mich Cmdr)days old. Same problem. Checked brake pads and rotors were fine. Took to dealer and was diagnosed as steering nut needs to be adjusted($200) Also was told tire was mounted wrong meaning the tread direction was correct but the valve stem is on the left instead of the right. Was told not a safety issue but not standard. Since I took off the wheel and had another dealer install prior to this service, they were not going to correct it free of charge. No mention if the wheel bearings were bad. Ok, I get on the freeway and accel to about 80 83 mph the bike started the dancing again and roll off the throttle it got worse. Got home and took off wheel to take back to dealer to correct the tire mounting and will see what happens on a 150 mile ride... Any ideas or solutions to this problem??
 
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Old Feb 21, 2019 | 09:47 PM
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Wobble help?

Don't drink so much.
 
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Old Feb 21, 2019 | 09:58 PM
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Check steering head bearing tension and motor mounts.
 
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Old Feb 21, 2019 | 10:02 PM
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Look up True Track frame stabilizer. I put one on my 2008 EGU that had that same problem and solved the problem and rode like a new bike with no wobbles. That death wobble was very prominent on '07's and '08's. Good luck.
 
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Old Feb 21, 2019 | 11:04 PM
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Originally Posted by Riffraff123
Check steering head bearing tension and motor mounts.
My first thought was motor mounts.
 
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Old Feb 21, 2019 | 11:46 PM
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Steering head is what the dealer said. What is wrong with that advice? Since you are taking the wheel off anyway check the front wheel bearings.
 
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Old Feb 22, 2019 | 01:24 AM
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No problem, change rear tire, now wobble problem...and the tire wasn't mounted correctly?

I'd start there first. Just say'n...
 
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Old Feb 22, 2019 | 01:39 AM
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I wouldn’t add a true track until it was back to normal. That would just hide the problem.

I would add the True Track after getting it fixed just to really dial it in.
 
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Old Feb 22, 2019 | 03:16 AM
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I like the Kiss method,
start at the rear. Less guessing.
Swing arms are a known issue (bushings)
 
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Old Feb 22, 2019 | 04:43 AM
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Did you have the steering head adjusted, or just stop at the diagnosis?
 
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