1987-2004 Kawasaki Mojave KSF250 Service Manual, Page 133Get this manual
FINAL DRIVE
Rear Sprocket Installation Note
-Install the rear sprocket with the tooth number marking facing outward, and tighten the nuts to the specified torque (see Exploded View)
Sprocket Wear
-Visually inspect the sprocket teethIf they are worn as illustrated, replace the sprocketSprocket Teeth
Worn Tooth (Engine Sprocket)
Worn Tooth (Rear Sproc ket)
Direction of rotation
ATooth Number Marking
WARNING
OBy installing the sprocket this way, the chamfered hole side of the rear sprocket faces toward the flangeIf not mounted this way, the sprocket will not seat on the flange evenly, causing the drive chain to be thrown off by excessive sprocket runout during operationThis can result in rear wheel lockup and loss of control