If the display function does not work, replace the meter unit.

Check 3-6: Neutral Indicator Light (LED) Inspection
Meter Unit Circuit (ZX1000J Model)Exhaust Butterfly Valve Actuator Sensor Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the front seat (see Front Seat Removal in the
Frame chapter).
Remove the screws [A] and the exhaust butterfly valve
actuator temporarily with the cables installed.
Disconnect the exhaust butterf ...
Storage
Preparation for Storage
Clean the entire vehicle thoroughly
Run the engine for about five minutes to warm the oil, shut it off, and
drain the
engine oil.
WARNINGEngine oil is a toxic substance. Dispose
of used oil properly. Contact
your local authorities for approved disp ...
Evaporative Emission Control System Inspection (CAL and SEA-B1 Models)
Inspect the canister as follows.
Remove the upper fairing assembly (see Upper Fairing
Assembly Removal in the Frame chapter).
Remove the canister [A].
Visually inspect the canister for cracks or other damage.
If the canister has any cracks or bad damage, replace it
with a new one.
NO ...