Replace any damaged gears or gears with excessively worn dogs or dog holes.

Shift Fork Guide Pin/Drum Groove Wear InspectionWiring Diagram (US, CA and CAL without KIBS Models)
ZX1000JC
ZX1000JD
...
Instrument display brightness control
The brightness of the tachometer
LED segments and illumination of the
multifunction meter are controlled automatically
depending on the ambient
brightness.
A. Tachometer
B. Ambient Brightness Sensor
C. Multifunction Meter
NOTE
Be careful not to cover the ambient
brightness sensor on th ...
Subthrottle Valve Actuator Inspection
NOTE
Be sure the battery is fully charged.
Remove the air cleaner housing (see Air Cleaner Housing
Removal in the Fuel System (DFI) chapter).
Turn the ignition switch to ON.
Check to see that all the subthrottle valves [A] open and
close smoothly.
Turn the ignition switch to OFF.
I ...