Bombardier SeaDoo 1998 factory shop manual, Page 155Get this manual
Section 05 COOLING SYSTEM Subsection 02 (CIRCUIT, COMPONENTS AND CARE)
CIRCUIT
CAUTION
All hoses and fittings of the cooling system have calibrated inside diameters to assure proper cooling of the engineAlways replace using appropriate Bombardier part number
717 and 787 Engines Serial Cooling System is utilized on the 717 and 787 engines, which offers an efficient cooling of the combustion chamber to prevent the possibilities of detonationThe water supply is taken from pressurized area in the jet pump between the impeller and venturiWater enters the cylinder head, cooling the combustion chamber to prevent detonationsThen, water exits cylinder head toward tuned pipe3 2
F01D7HB
1Water passages
No water enters crankcaseWhen engine is running, water must flow from bleed outlet indicating that water circulates