First, turn the stick coil by 90 degrees, and then pull it out by twisting the coil head to the left and right while holding it securely by hand.

NOTICE
Do not pry the connector part of the coil while removing the coil.
Timing Rotor Installation
Stick Coil InstallationWiring Diagram (US, CA and CAL with KIBS Models)
ZX1000KC
ZX1000KD
...
IC Igniter Inspection
The IC igniter is built in the ECU [A].
Refer to the following items.
Interlock Operation Inspection (see Interlock Operation
Inspection)
Ignition System Troubleshooting (see Ignition System
section)
ECU Power Supply Inspection (see ECU Power Supply
Inspection in the Fuel System (D ...
Water Pump Inspection
Remove the left lower fairing (see Lower Fairing Removal
in the Frame chapter).
Check the drainage outlet passage [A] at the bottom of
the water pump body for coolant leaks.
If the mechanical seal is damaged, the coolant leaks
through the seal and drains through the passage. Replace
th ...