I purchased my 2013 in May of 2015 with 8500 miles. It now has 45k.
My longest trip was a three week tour of the eastern US, two up, of around 3k. There was also a trip to Nova Scotia that was also around 3k.
My mods include a tpms, handlebar riser, MST x-screen for longer distance riding.
The best mod though is the suspension upgrade; front forks and rear shock both from progressive.
No issues and I've only replaced brakes and oil. I use amsoil once per year before I store it for the winter.
Looking forward to this riding season as the snow is almost all gone.
I've said I'll keep this F6b until I can't physically back it up.