4/6 The KX250 has been designed for track/dirt use only. It is not street legal as it doesn't come with a headlight, taillight, turn indicators, or rear-view mirrors.
5/6 The dirt-specific aluminium fatbar on the KX250 is provided by Renthal and it uses petal-type disc brakes on both wheels.
6/6 The Kawasaki KX250 gets a lightweight aluminium perimeter frame and uses upside-down front forks and a rear mono-shock