Hello Patrick
No real life experience, some ideas though.
After you get prop back, do a dynamic balance of prop (on plane and
running)after you make sure blades track the same and they are all at the
same pitch, check your motor mounts are in good shape and fully tightened,
might as well check to see if all mounts are not cracked.
Make sure that the throttle cables where they attach to arms on carbs
rotate free, if they do not there will be an imbalance because 1 carb will
be opened more than the other.
Check out Causes of Vibration at:
http://www.rotaxservice.com/rotax_tips/rotax_troubleshooting.htm
You need Power Point.
Ron Parigoris
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