Mine will clock 28000 miles by tomorrow morning and had it just over 2.5 years. Fantastic bike and would not swap it for anything else out there to be honest. It is mental in so many ways BUT not for everybody.
If you loved and could get used to say riding a very old Tenere 600 without a long screen and can live with that the HP2 will suit you fine. Except it makes alot more power and handles extremely well on and offroad. In a nutshell it scares the hell out of me but enjoy every minute on it
Reliability - only had my front fork's replaced under warranty as the bushes wore out. It is on it's way again but I am going to fit WP48mm on when I get my hands on a set on fleabay. That should sort it right out and do hope that I will have this bike forever as I cannot see a reason to sell it