If the measurement is under service limit, replace the piston.

Piston Diameter
Standard: 75.959
75.974 mm
(2.9905
2.9911 in.)
Service Limit: 75.81 mm (2.985 in.)
Cylinder (Upper Crankcase) Wear Inspection
Piston Ring, Piston Ring Groove Wear InspectionCrankcase Assembly
NOTICE
The upper and lower crankcase halves are machined
at the factory in the assembled state, so the
crankcase halves must be replaced as a set.
With a high flash-point solvent, clean off the mating surfaces
of the crankcase halves and wipe dry
WARNINGGasoline and low flash-poin ...
Steering Damper Removal
ZX1000JC/KC
Remove:
Steering Damper Mounting Bolts (TORX Bolts) [A]
Washer [B]
Washer and Collar [C]
Steering Damper [D]
ZX1000JD/KD
Remove:
Clamp [A]
Connector [B] (Disconnect)
Steering Damper Mounting Bolts (TORX Bolts) [C]
Washer [D]
Washer and Collar [E]
Elect ...
Main Throttle Sensor Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the throttle body assy (see Throttle Body Assy
Removal in the Fuel System (DFI) chapter).
Do not disconnect the connectors of the throttle body
assy.
Disconnect the main throttle sensor connector ...