Many bikes I've bought new needed head bearings re-torqued after a few miles.
My 2014 FJR. I got it home with 18 miles on the clock and started my usual process of going over the bike checking fasteners. First check, steering head nut. Spec is 85 lb/ft. Mine was about 50 lb/ft. With only 18 miles on the clock, it is all but certain that this nut was never torqued properly at the factory. Or, it bedded down during the 18 months it was gathering dust in the warehouse, being occasionally moved by hand. All the other fasteners were right at spec.
Yamaha apparently suffers with poor steering head design on several of its models. The Venture, a constant need to snug up the bearings, every few thousand miles. Interestingly, the Venture uses the same type of nuts with the rubber washer 'tween them. Some Venture folk have adopted a special made metal washer to replace the rubber, and claim it helps. I went so far as to replace bearings and races, to see if there might be something wrong with them. No help.
So I'm not surprised to find out this is also a problem on the FJR. I also note that keeping the bearings snug is easy on this bike, MUCH easier than on the Venture. So I don't mind.