2014 Kawasaki KLX250S, NEW 2014 Kawasaki KLX250S with ZERO MILES! Price Valid thru 12/28/14, also have Lime color in stock. - Originally a road-going version of the KLX300R enduro racer, the KLX250S retains a significant amount of character and performance from its larger brother. Lightweight and compact, its 250 cc, liquid-cooled, DOHC engine (based largely on the 300R) has a wide torque band, pulling from down low and continuing well into the over-rev.