2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 165Get this manual
COOLING AND BILGE SYSTEMS 8-7 Cooling and Bilge System Flushing
Bilge System Flushing
To prevent clogging, the bilge system should be flushed out according to the Periodlic Maintenance Chart, or whenever you suspect it is blocked Disconnect both bilge hoses at the plastic breather fitting; 4