Repeat this procedure several times. If the wheel stops of its own accord in various positions, it is well balanced.
If the wheel always stops in one position, adjust the wheel balance (see Balance Adjustment).

Axle Inspection
Balance AdjustmentESD (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
...
Wheel Bearing Damage Inspection
Raise the front wheel off the ground with the jack (see
Front Wheel Removal in the Wheels/Tires chapter).
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
Turn the handlebar all the way to the right or left.
Inspect the roughness of the front wheel bearing by moving
[A] ...
Starter Clutch Installation
Replace the O-ring [A] with a new one and apply grease.
Apply molybdenum disulfide grease to the starter clutch
shaft [B].
Install:
Starter Clutch [C]
Spacer (Small Diameter) [D]
Spacer (Large Diameter) [E]
Starter Clutch Shaft
Starter Clutch Shaft Holder [F]
Turn the O-ring si ...