Bombardier SeaDoo 2000 factory shop manual volume 1, Page 163Get this manual
Subsection 02
Section 05 COOLING SYSTEM (CIRCUIT, COMPONENTS AND CARE)
717 Engine
Temperature sensor activates monitoring beeper when temperature exceeds 96-99C (205-210F) Uppermost point of circuit (tuned pipe) allows bleeding
Calibrated cylinder head limits water flow
Fresh water enters engine head for additional combustion chamber cooling Engine water hose outlet
Calibrated outlet fitting limits water flowALSO used as flushing connector