2003-2006 Kawasaki KFX400 service manual, Page 260Get this manual
CHASSIS
REMOVAL
Place the vehicle on the level ground and support the vehicle with jack or wooden blockSPROCKET Remove the left rear wheel( 6-10) Remove the left rear wheel hub( 6-11) Remove the rear caliper Loosen the chain adjust nuts and the rear axle housing bolts Loosen the sprocket mounting bolts, and remove the sprocket