Bombardier SeaDoo 2001 factory shop manual, Page 281Get this manual
Subsection 02
Section 07 COOLING SYSTEM (CIRCUIT, COMPONENTS AND CARE)
717 Engines
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