This makes sense.I suffer from industrial VWF ( Vibration White Finger ) and a Damaged shoulder from an Industrial accident which means I'm very sensitive to vibrations. What I have found is that what the bars are made of does not increase or decrease the vibrations but moves the fundamental frequency that is affecting them.
Bar end weights also do this but depending on their design can also reduce the effect.
If the bars are vibrating at all it's usually a sign that the Carburettors are out-of-sync or in EFI systems the fuel bodies. It's pretty easy and not to expensive to balance Carburetors as per,
I understand you need a special tool for doing EFI so it can be expensive so it might be a job for a Motorcycle shop.
I check and balance my Carbs around twice a year and my old 99 is virtually vibration free all through the Rev band and under different engine load conditions
. Mostly happens in winter with the snowblower but occasionally with lots of manual work which I try to avoid 
It's not just the white finger that vibrations cause but on a long day out Hand-Fatigue and cramping. I get none of those if I keep my Carburetors well balancedI've got the VWF thing too. Ring and pinky. Mostly happens in winter with the snowblower but occasionally with lots of manual work which I try to avoid
Fortunately all my bikes have 90 degree engines and there is little to no vibration to bother
The cheapie Krator bars via Amazon are on the way, will try and fit those and report back.
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True. Good part of maintenance is carburetor sync. It makes a Big difference. And only takes a few minutesIt's not just the white finger that vibrations cause but on a long day out Hand-Fatigue and cramping. I get none of those if I keep my Carburetors well balanced
