Bombardier SeaDoo 1998 factory shop manual, Page 157Get this manual
Section 05 COOLING SYSTEM Subsection 02 (CIRCUIT, COMPONENTS AND CARE)
After water has circulated in the cylinder-block water jackets, it is directed in the piece cylinder head which features improved combustion chamber and spark plug cooling
Draining of the cooling system is accomplished by the drain hose connected to fitting at the bottom of the cylinder-block, on tuned pipe side
F06E0IA F06D21A
1Drain hose
Water exits cylinder head water jackets through an outlet fitting
Bleeding of the cooling system is accomplished by the bleed hose located at the uppermost point of the circuit at the tuned pipeThe bleed hose also serves as the Cooling System Indicator (CSI)