Re: DR vs KLR, from all the reading I've done, the DR650 seems to be a better choice. Both are good bikes and both will probably serve you well.
The stock tank is smaller on the DR, but it shouldn't be too hard to find one with a larger tank, or to get a larger tank for one. The DR is also lighter and simpler (air vs water-cooled), develops similar power and (apparently) responds better to minor tuning.
I've heard a lot about both older and newer KLRs burning oil, as well as some 08+ models having oval cylinders from the factory. A constant thing that's mentioned is the necessary, preventative 'Doohickey mod'. I did once manage to find a thread explaining what exactly it was and how to fix it, but unfortunately I can't remember what the mod entailed or where the thread was.
I've heard lots of good things about Husqvarna/Husaberg, except for the parts availability/pricing,
KTMs have improved a lot in terms of reliability, I think,
Honda is stupid for discontinuing the XR650R, and
Yamaha needs to make a WR450R (There was a problem with fuel pumps on some pre-08 (?) WR250Rs, but I think that was a US batch and has since been solved).
I think that's it

But that is just what I've read and pieced together. Best to do plenty of reading and form your own opinion.
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