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

Check 3-6: Neutral Indicator Light (LED) Inspection
Meter Unit Circuit (ZX1000J Model)Tail/Brake Light (LED) Removal/Installation
Remove:
Upper Seat Cover (see Seat Cover Removal in the
Frame chapter)
Disconnect the tail/brake light connector [A].
Remove:
Tail/Brake Light Mounting Screws [A]
Bolts [B] and Brackets [C]
Bolt [D]
Remove the tail/brake light [A].
Bring down the rear fender rea ...
Exhaust Pipe Installation
Replace the exhaust pipe gaskets [A] and premuffler
chamber gasket [B] with new ones.
Install the premuffler chamber gasket to the premuffler
chamber [C] until it is bottomed so that the chamfer side
faces exhaust pipe [D].
Install the exhaust pipe clamp [E] as shown in the figure.
I ...
Water Pump Housing Disassembly
NOTICE
Do not damage the hole wall of the water pump
housing.
Insert a bar [A] into the pump housing [B], and hammer
evenly around the circumference of the mechanical seal
bottom [C].
Take the oil seal [A] out of the housing [B] with a hook [C].
...