Section 09 COOLING SYSTEM
Subsection 01 (CIRCUIT, COMPONENTS AND CARE)
F06D20A
1
1. Water passages
Water exits tuned pipe water jackets through an
outlet fitting.
1
F06E08A
1. Engine water outlet
Water circulates in the water outlet hose and is ex-
pelled out of the cooling system through a fitting
located in the jet pump support on the transom of
the watercraft.
Water flows out of tuned pipe water jacket from
upper fitting of tuned pipe and is directed to the
air compressor, then to the air silencer at the tran-
som.
Water continues to flow in the crankcase water
jacket to cool the crankcase area to then be routed
to the transom area.
Draining of the cooling system is accomplished by
the drain hose connected to a fitting at the bottom
of the cylinder-block, on tuned pipe side.
F06E0IA
1
1. Drain hose
Bleeding of the cooling system is accomplished by
the bleed hose located at the uppermost point of
the circuit at the tuned pipe. The bleed hose also
serves as the Cooling System Indicator (CSI).
1
F06E0BA
1. Bleed hose
The water supply to the water flow regulator is
provided by the water supply hose coming from
the pump.
smr2004-Complete Line Up 475
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