If the surface is corroded or if the blades are damaged, replace the impeller

Water Pump Impeller Disassembly/Assembly
Water Pump Housing DisassemblyRear Shock Absorber Removal
Remove:
Lower Fairings (see Lower Fairing Removal in the Frame
chapter)
Fuel Tank (see Fuel Tank Removal in the Fuel System
chapter)
Bolts [A] (Both Sides)
Foot Guard [B] (Both Sides)
Squeeze the brake lever slowly and hold it with a band
[A].
WARNINGBe sure to h ...
Clutch
Clutch Operation Inspection
Pull the clutch lever just enough to take up the free play
[A].
Measure the gap between the lever and the lever holder.
If the gap is too wide, the clutch may not release fully. If
the gap is too narrow, the clutch may not engage fully. In
either case, adjust ...
Wiring Diagram (Other than US, CA and CAL without KIBS Models)
ZX1000JC
ZX1000JD
...