They light the tire on fire and do a nice burnout.
This guy is out running the cops till he crashes head on.
This is what happens when a motorcycle runs into a concrete wall.
Yet another motorcycle crash. Im not sure what this guy was trying to do...but he managed to slam into his buddy pretty bad!
Check out this botched Motorcycle Flip.
Sometimes a dirtbike can have a mind of it's own, or the driver just can't hold on to it.