After a couple of rides i wanted to share my own experience on a new 2017 250 RR. Firstly, i'm late 40's, 6' 4", OK shape, 215 lbs (need to drop a few!) used to race motocross in UK many years ago. Need to mention also ride a CRF450X. I had 2 major reservations before taking the plunge with this bike.
Firstly, would i long for more power and wish i had gone for the 300 (I'll cover this in a separate post titled "250 or 300? Glad to have gone the direction i did...").
Secondly, would i find this bike physically too small? This is where i break out and sound like a sales marketing person for Beta USA, honestly i'm just another guy who really enjoys riding single track in Pacific NW. But wanted to squash any concerns a similar taller framed rider might have if on the fence post about buying a Beta. Current mods Fastway 3 lowered footpegs, Rox bar risers (installed with grips over forks as to not screw up geometry) & Seat Concepts tall seat. What this has done is made the most comfortable, easily ride-able bike i have ever owned...i really fit well on this bike, it is an absolute joy to flick around every rock or root on the trail.
If you are a tall rider, buy one!