1996-2002 Kawasaki 1100ZXi Jet Ski Factory Service Manual., Page 96Get this manual
COOLING AND BILGE SYSTEMS 8-5 Coolin,g and Bilge System Flushing
Cookng System Flushing
To prevent sand or salt deposits from accumulating in the cooling system, it must be flushed occasionally Flush the system according to the Periodic Maintenance Chart, after each use in salt water, whenever there is reduced1 water flow from the bypass outlet on the left side of the hull #Remove the fitting cap [A] on the cylinder head
Connec garden hose [A] to the fitting
#Start the engine and allow it to idle before turning on the water
CAUTION