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2011 FXDB moderate shaking at specific RPM

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Old Mar 27, 2012 | 03:24 PM
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Chernobyl1986's Avatar
Chernobyl1986
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From: Jacksonville, NC
Exclamation 2011 FXDB moderate shaking at specific RPM

Greetings all:

I have a 2011 FXDB with a custom intake, exhaust, and PCIII, with a SE-255 cam. It has almost 9k miles on it.

Just recently I've noticed that at a specific RPM range (with any gear, only if the clutch is engaged) the bike shakes bad enough to screw with my vision. The shakes start at about 2200 RPM and continue till about 2600. After that the vibration ceases completely. Also, no crazy noises from any part of the bike and the power output continues on as normal, at least from what I can feel.

Any ideas from the peanut gallery?
 

Last edited by Chernobyl1986; Mar 27, 2012 at 03:27 PM.
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Old Mar 27, 2012 | 05:06 PM
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I would start by checking the motor mounts, especially the front...
 
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