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Identifying a bad vibration

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Old Sep 8, 2010 | 09:23 PM
  #1  
i2iSTUDIOS's Avatar
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Default Identifying a bad vibration

I have a bad vibration that I fell at highways speeds in 6th a lot, 5 a little, and 4th not at all going the same speeds though out. It feels like a wobble almost that's on top of the normal engine vibration. What could it be?

Additionally, I feel the vibration on the right handlebar and not on the left. Also the right footpeg more than the left.
 

Last edited by i2iSTUDIOS; Sep 8, 2010 at 09:57 PM.
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Old Sep 9, 2010 | 01:54 PM
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All sportbikes will vibrate at speed to some degree such as fingers going numb on long trips. Is this a new vibration that you are noticing?

If you pull the clutch on the highway and rev does the vibration change or go away?

Your left and right bars are both bolted to the tripple tree, so they act like one solid piece, meaning if one is vibrating the other one is a well. so im confused to how one is vibration and the other is not....

If the vibration changes with speed it's tire balance related. (off balance tires are felt from 75mph and up)
If the vibrations change with RPM change it's engine related..
(unless something is seriously wrong with your motor you shouldn't have this problem)

hope this helps...
 
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Old Sep 9, 2010 | 03:27 PM
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Originally Posted by Sick97SS
All sportbikes will vibrate at speed to some degree such as fingers going numb on long trips. Is this a new vibration that you are noticing?

If you pull the clutch on the highway and rev does the vibration change or go away?

Your left and right bars are both bolted to the tripple tree, so they act like one solid piece, meaning if one is vibrating the other one is a well. so im confused to how one is vibration and the other is not....

If the vibration changes with speed it's tire balance related. (off balance tires are felt from 75mph and up)
If the vibrations change with RPM change it's engine related..
(unless something is seriously wrong with your motor you shouldn't have this problem)

hope this helps...
The vibration goes away when i pull the clutch in at speed.
 
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Old Sep 9, 2010 | 03:38 PM
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From: Baltimore Maryland
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Originally Posted by i2iSTUDIOS
The vibration goes away when i pull the clutch in at speed.
Well theres your problem brotha. remove right fairing, drain oil, pull the clutch cover off and inspect the clutch basket/assembly for a problem. something is off in there.
 
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Old Sep 9, 2010 | 03:59 PM
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Originally Posted by Sick97SS
Well theres your problem brotha. remove right fairing, drain oil, pull the clutch cover off and inspect the clutch basket/assembly for a problem. something is off in there.
That's the best advise i've heard yet. I'll do it though I don't know what i'm looking for.
 
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