Okay, so it is clear we are not riding flyweight racebikes here. This message becomes more evident once you are under way, too, because an EPA-legal 250cc Single doesn't belt out tire-torching horsepower. But for quarter-liter commuters/playbikes, they deliver enough snap to have a good time. The extra pounds over a straight-up dirtbike are noticeable in most off-road conditions, but because the center of gravity is fairly low on both machines, they are easy to handle in all dirt riding situations. For the really technical stuff, the c-of-g is almost too low, actually! To keep seat heights on the lower end of the scale, ground clearance on both machines is less than that of your average dirtbike. The KLX has 10.8 inches while the WR has 11.2. A plus for the Yamaha is that you could actually replace the lower cradle if you get aggro and smash the rails into pancakes. In any case, not a deal-breaker for either bike, but be aware that if you ride on technical trails, the bikes will make contact with rocks.