I have been having a whining noise from my rearend since about 600 miles or 6 passes down the track which ever came first. I waited until 2000 miles to take it to the dealer, I wanted them to fix the 80 shake and to take a look at the rearend. They are working on the shake and ordered a new rearend for the SNAKE. So if you got a whining in your end, take to the dealer and see if you can get lucky too