I am constantly changing my mind on which bike is better for the tight gnarly single track that I ride. (Comfort and fun factor also a large part of the equation). I weigh 225 with no gear and I am now thinking about getting an 07 YZ450F, and setting it up for off road. Large tank, suspension, possibly a rekluse clutch. Any off roaders out there who have such a weapon that would like to brag ....er comment on their aluminum framed monster. I don't want the weight of the electric start models... WR, XC, CRF-X, EXC. The button is nice, but there is no hiding the weight when things get agressive or tough.