We have just over 100 miles on our 2021 Commander Max XT 1000R. There is a loud vibration noise in 2 Wheel drive when accelerating up to about 4500 rpm then it smooths out. When running in 4 Wheel Drive the vibration does not occur and it runs smoothly regardless of rpm. Seems to be coming from underneath the center of the vehicle not really the back where the engine is located. As a result we run in 4 Wheel drive all the time. Mentioned it to the dealer they told us to drive it a bit more and if it continues they are going to take a look at it. Brand new machine so it is disappointing. Anyone else having similar issues or ideas on what it could be?