!
WARNING
AVOID TOUCHING THE THERMOSTAT OR ITS COMPONENTS
WHILE THE ENGINE IS ON / HOT. AVOID RUNNING THE ENGINE
WITHOUT A FUNCTIONING THERMOSTAT, AS IT MAY OVERHEAT.
Typical Open Thermostat Diagram
Typical Closed Thermostat Diagram
Freshwater Flushing Port
Some engines offer a fresh water fl ushing system. After linking up
to a fresh water hose at the fl ush port, water can be pumped through
the engine’s raw water cooling system to fl ush out all salt and debris
that may be left behind. It is supposed to be utilized after each trip
to ensure a maximum lifespan of your cooling system components.
Check your engine owner’s manual regarding this system’s availability
and use. Some manufacturers incorporate a fl ushing port directly into
the engine’s coolant hose system while others require an adapter to be
inserted onto the pick up feeds on the stern drive.
3-6
Chapter 3
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