CHAPTER 3
Impeller/ Water Pump
Periodically, the coolant system’s impeller and water pump should be
inspected for debris, damage or excessive wear due to water chemistry
such as mineral or silt conditions. Damaged parts will affect the
system’s ability to function, and may cause engine overheating or
damage. Contact your closest Regal dealer for more information and
maintenance schedules of key outboard engine systems.
Thermostat
If the temperature gauge starts yielding abnormal readings, it may
become necessary to look at or replace the powerhead thermostat after
determining whether it is functioning properly. The thermostat reads
the temperature of coolant and determines whether to open or close a
valve to allow warm sea water to pass into the exhaust manifold. The
thermostat may recirculate hot coolant for the purposes of reaching
standard operating temperatures. If standard operating temperatures
have been reached, the thermostat will open a valve and allow hot raw
water to exit through the exhaust manifold. For more information
read your outboard engine manual or contact the closest Regal dealer
.Dealers have the necessary knowledge and tools to troubleshoot any
engine related problems
!
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.
3-4
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