I have about 11,000 miles on my '10 MTS 1200. The only broken thing I've had from riding offroad is that one of the bolts holding the stock license plate fell off. It vibrated off due to about a 60 mile gravel road with real washboard.
It's no dirtbike, the 17 in front tire is too jittery, but fully capable if one chooses and is aware of the consequences, $$$$. My biggest problem with it offroad not on pavement is the DTC cutting in too much.
I agree wonderfull bike, but the potential repair bill keeps me from pushingthe bike to any where nears it's potential, there's a reason I still have chicken strips, I don't want to face a multi thousand$ repair bill even if its a minor drop.