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Instrument operation
56
maneuver to a safe location, and check for
water discharge at the cooling water pilot
outlets. There are cooling water pilot outlets
on the starboard side of the hull. Check that
water comes out of the outlets while the en-
gines are running, particularly while applying
throttle. If you do not see any water at the
outlets, cooling water may not be circulating
in the engines.
1 Cooling water pilot outlet (starboard engine)
2 Cooling water pilot outlet (port engine)
TIP:
If the cooling water passages in the engines
are dry, it will take about 20 seconds for wa-
ter to reach the pilot outlets after starting.
If water is not circulating, something may be
clogging the intake grates. Refer to “Jet
pump clean-out procedure” on page 183.
1 Intake grate
NOTICE
If the cause of overheating cannot be
found and corrected, take special precau-
tions to avoid major engine damage while
you return to shore.
Single engine overheating — Shut off the
overheating engine and use the properly
running engine to return to shore. Operate
at no-wake speed (8 km/h, 5 mph) to pre-
vent water from flooding the non-operat-
ing engine through the water intake. See
page 57 for information on the no-wake
mode.
Both engines overheating — If getting a
tow from another vessel is not possible,
operate both engines just slightly above
idle while you return to shore. If you can be
towed, refer to “Towing the boat” on page
189.
Communication error warning
If a generic error is detected, a warning will
appear on the multi-function display and the
buzzer will sound. If this occurs, reduce the
engine speed, return to shore, and have a
Yamaha Boat Dealer check the boat.
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SportsBoat_F3R12.book Page 56 Thursday, June 21, 2018 10:45 AM
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