2008-2010 Kawasaki KFX450R Factory Service Manual, Page 353Get this manual
13-12 SUSPENSION Shock Absorbers
Seated position: adjuster turned fully clockwise [A]Rebound Damping Adjuster Setting Standard: clicks [B] Softer (Counterclockwise) [C] Harder (Clockwise) [D]
: Number of turns counterclockwise usable range20 or moreCounterclockwise from the fully seated position
Adjustment of the rebound damping adjuster for the rear suspension will slightly affect the compression damping forceAlways make any damping adjustments in small steps and test their effects before using them in competition