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2003 Vibration

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Old Oct 4, 2017 | 03:12 AM
  #1  
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Default 2003 Vibration

I recently picked up a 99% stock 2003 FXDL in excellent shape with 18K miles. Sort of a Stage 1 with gutted stock pipes, and high flow A/c, re-jetted. Bike starts, runs and rides great, smooth acceleration, no burps, coughs, pops or stumbles.

Here's my issue: I am getting minor eyeball vibration. Mirrors have a little buzz to them, but my handlebars are no problem, no sleepy hands etc., just that my eyeballs seem to be vibrating as I look down the road ahead. I had this problem with a 82 Sportster, but you could find a sweet spot, and the eyeball flutter was mostly at certain speeds.

On a 15 year old Dyna, do the rubber mounts wear out? I suspect that the suspension is original, fork oil has been changed.

If there is a fix with high probability of success I'm all in, but if it is chasing a dozen possible issues, probably not. Your personal experience and insight will be greatly appreciated.
 
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Old Oct 4, 2017 | 04:24 AM
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Situation normal; enjoy your motorcycle. Don't waste time looking for problems; real ones make themselves painfully apparent.
 
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Old Oct 4, 2017 | 08:05 AM
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Max, you speak words of wisdom, much appreciated.
 
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Old Oct 4, 2017 | 01:10 PM
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Those rubber mounts will deteriorate over the years. My front mount was gone in 2 years. Some last way longer than others, but it can't hurt to check them out.
 
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Old Oct 4, 2017 | 03:50 PM
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Does the vibration change with RPM? Say, 55mph in 4th vs 55mph in 5th...
 
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Old Oct 5, 2017 | 03:23 AM
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I did about 50 miles of two lane riding yesterday and I think I have sorted things out as far as minimizing the vibes by more closely monitoring my gear/rpm selection.

The bike has been very well maintained over the 15 yrs and only has 18K miles. I've owned Sportys, Softails, and RK's bikes but this is my first Dyna. For me, it is a perfect combination for my size, age, and where I ride.

Thanks for all input.
 
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Old Oct 6, 2017 | 02:20 PM
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You mentioned re-jetted so I am pre-sumeing it's carbed. I have a 02 FXD that's carbed and after it sits for the winter it's as rough as a cob and after about 50 miles it smooths out to its standard vibrations. Check the lower front rubber mount for cracks or any damage. Install a fresh set of plugs, gapped at .040" and see how this Low Rider works for you.
 
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Old Oct 7, 2017 | 10:50 AM
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Just change the mirrors you will be amazed at how stock mirrors give you double vision.
 
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