We went to New Vienna MX today and I begged and pleaded to try a guys broken in CRF450. I have owned many XR's 200-600, a WR400 and currently the DRZ. I was surprised at the weight and loved the power for MX. It rev's much quicker than the Z, but is just as smooth and just as easy to ride. I think it would make a good hare-scrambles machine as well. I would keep the Z for enduros, if I had the option. I rode in some very limited woods, but when I tried to lug it down and do some trials type tight woods riding I felt like I was on a light flywheel, tall geared mx suspended bike:think Please Honda make this with an 18" wheel, heavier(slightly) flywheel off-road bike.
This bike has been ridden on three mx tracks since break in and is easy to start, doesn't smoke, doesn't make any odd noises, but the idle does seem to float around a little. It probably changes 200 rpm for no apparent reason when just sitting:think I just thought I'd share my experience today. There were two other CRF's at the track and they also appeared to start and run fine. Tim