If there are notches worn into the splines, replace the sub clutch hub. Also, replace the steel plates if their teeth are damaged.

Clutch Housing Finger Inspection
Damper Cam InspectionRelated Parts Locations
KIBS Control
1. ABS performance equivalent to the current model (enhanced braking
stability)
By monitoring front caliper hydraulic pressure, KIBS regulates pressure
increases reducing the tendency
of the rear to lift. Before the ABS system fully reacts, KIBS system prevents
the pressure ...
Wiring Diagram (Other than US, CA and CAL with KIBS Models)
ZX1000KC
ZX1000KD
...
Switch Inspection
Using a hand tester, check to see that only the connections
shown in the table have continuity.
Special Tool - Hand Tester: 57001-1394
For the switch housings and the ignition switch, refer to
the tables in the Wiring Diagram.
If the switch has an open or short, repair it or replace it
w ...