Looks to me the difference is due to the LXR having 17" front wheel or if not a bigger tyre profile and what looks like longer bar risers....correct me if I'm wrong.....which I'm sure someone will
The overall front wheel/tyre size of lxr is def bigger than the crf70.
I love the CRF70 , looks more like what we are used to, the lxr looks a bit large as most people have commented already....fine if thats what you want.
Top yokes same height.....the bar height difference is due to longer risers and flared up bar ends.