I would be pulling a sample and sending it off to Blackstone. Better yet on a new unit have the dealer pull the sample before leaving and pay them so there is a receipt. It may CYA is there is a problem on down the road.UPDATE8: We have 2 more reports (on social media). Both US customers. One happened at 2 hours / 18 miles and the other at 2-3 hours and 33 miles. Both were taking it very easy when it happened. Yamaha has taken care of ALL customers affected and I haven't heard of a negative response from affected customers from Yamaha corporate or from dealerships until now. One customer is what seems to me to be getting the run around from his dealership and we can only wait to see what happens after the dealership finalizes its inspection.
I'm hearing more reports of transmission fluid that was filled from the factory being too light and not being gear oil. Those of you doing your 1st service, please take note of what color and viscosity the transmission oil is when you drain it. Despite these reports of non gear oil being used, the bearing should still have adequate lubrication vs gear oil.
If it turns out to be a bad batch of bearings, then doing my 'jack the passenger side up' trick isn't going to really make a difference, but until we have more data to confirm or deny one or the other (bad bearing vs installed dry), I'm suggesting to give it a try.