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Old Feb 11, 2012 | 09:03 PM
  #1  
francisstark1's Avatar
francisstark1
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Default wobble

new member here.. i have a 99 ultra that has a wobble sometimes around 80mph. it dosn't do it if im accelerarting hard and when it does do it it's not real bad i have new tires on the bike they are balanced air pressure looks good what weired is it dosen't alwasy do it. Any help would be appreciated
thx
francis
 
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Old Feb 11, 2012 | 09:07 PM
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2007z71's Avatar
2007z71
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I had an 08 Dyna that would wobble when the rear tire got low. Not Bad but just enough to be concerned.
 
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Old Feb 11, 2012 | 09:21 PM
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You might consider updating you swingarm cleve blocks to newer style spherical bearings.
http://www.ccesd.us/index.php?main_p...4d6c59b5f7f6ab
additionally you might want to look into one of the many "stabilizers" available, I'm partial to Sta Bo for a simple, inexpensive, and effective product.
 
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Old Feb 11, 2012 | 09:41 PM
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The day i picked up my 2008 FLHRC from the Dealer it kinda wobbled/wallowed threw long sweeping corners .When i got home i found the tires were a little low and only 10lb in the air shocks . i put the front at 38lb and rear tire at 40lb . pumped the shocks up to 25lb .............no more wobble

you might check the stearing head ajustment also
 
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Old Feb 11, 2012 | 09:42 PM
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My bad, welcome to the forum
 
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Old Feb 11, 2012 | 09:58 PM
  #6  
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From: South Bay, CA
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My 06 does the same thing too, its not to bad now, but it used really clinch my but cheeks right around 85 mph . The interesting thing I noticed is between 80-85 mph the front end felt like it was on the edge to going into a tank slapper. Get up around 90 mph and it smoothed out. Do you have spoke rims? First thing I did is tighten my spokes. There were quit a few that had that thud sound. Also I was running my tires around 35 psi. Now I keep them around 40-42 psi and its much better now.
 
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Old Feb 12, 2012 | 06:23 AM
  #7  
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From: Rochester, NY
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Unfortunately that is an all too common problem with HD's swingarm design. Depending on how hard you like to ride it can become an unsettling feeling. Check out Glide Pro - this guy created a fix for the problem and not just an external add-on part.

http://www.glide-pro.com/
 
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Old Feb 12, 2012 | 07:36 AM
  #8  
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Lowcountry Joe
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Tell us where you think the wobble is originating on the bike. You never specified front or rear. That would help a lot with suggestions. Does it do it more on decel than accel? Does it do it in straights only? Are your shock bolts tightened to specs? Have you had your steering head bearings checked? How about your swing arm bearings? Have you checked your wheel bearings? See, there are these and many more that could contribute. So it's good to know a little more about which end of the bike seems to be wobbling.
 
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Old Feb 12, 2012 | 09:20 AM
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Maybe keep your speed lower. Does it happen at 70 or 75?
 
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Old Feb 12, 2012 | 09:25 AM
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Mine did it and i put heavier fork oil in and VOILA....oh and i tend to ride a bit more conservatively also...
 
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