2003 Kawasaki JetSki 800 SX-R Factory service manual, Page 31Get this manual
PERIODIC MAINTENANCE 2-15 Periodic Maintenance Procedures Cooling and Bilge Systems:
Cooling System Flushing
To prevent sand or salt deposits from accumulating in the cooling system, it must be flushed occasionallyFlush the system according to the Periodic Maintenance Chart, after each use in salt water, or whenever there is reduced water flow from the bypass outlet on the left side of the hullLoosen the clamp screw [A] and pull out the rubber band
Remove the fitting cap [C] on the exhaust pipe