NOTICE
Do not lay the wheel on the ground with the disc facing down. This can damage or warp the disc.
Place blocks under the wheel so that the disc does not touch the ground.

Engine Sprocket Installation
Rear Sprocket InstallationSprocket Wear Inspection
Visually inspect the engine and rear sprocket teeth for
wear and damage.
If the teeth are worn as illustrated, replace the sprocket,
and inspect the drive chain wear (see Drive Chain Wear
Inspection in the Periodic Maintenance chapter).
Worn Tooth (Engine Sprocket) [A]
Worn Tooth (Rear ...
ESD (Electronic Steering Damper) ECU Error (Service Code E3b, ZX1000JD/KD)
If this service code appears, check that the following parts
are correctly.
Crankshaft Sensor
Gear Position Switch
Starter Lockout Switch
Main Throttle Sensor
Rear Wheel Rotation Sensor
If these parts are normal, check the ESD ECU for its
ground and power supply (see ESD ECU Power Supply
...
Shift Drum Assembly
Press and insert the ball bearing [A] on the shift drum [B]
until it is bottomed.
Install:
Ball Bearing [C]
Dowel Pin [D] and Shift Drum Cam [E]
Align the pin with the groove in the shift drum cam.
Apply a non-permanent locking agent to the shift drum
cam holder bolt [F].
Tight ...