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SportsBoat_F4Y11.book Page 97 Wednesday, May 19, 2021 11:34 AM

Instrument operation

NOTICE tank as soon as possible. (See page 132 for
information on filling the fuel tank.)
If the cause of overheating cannot be
found and corrected, take special precau- Depth warning
tions to avoid major engine damage while If the boat enters an area that is shallower
you return to shore. than the water depth set for the depth alarm,
Single engine overheating — Shut off the the depth warning will be activated and the
overheating engine and use the properly buzzer will sound.
running engine to return to shore. Operate If the warning is activated, move the boat to
at no-wake speed (8 km/h, 5 mph) to pre- an area that is deeper than the water depth
vent water from flooding the non-operat- set for the depth alarm. (See page 91 for in-
ing engine through the water intake. See formation on setting the depth alarm.)
page 74 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
196.

Low/High voltage warning
If either “Start Battery” or “House Battery” ap-
pears on the multi-function display and the
buzzer will sound, check the battery connec-
tions. If the battery connections are clean and
tight and the warning indication continues,
have a Yamaha Boat Dealer check the charg-
ing system.

Communication error warning
If a communication error is detected for the
GPS function, a sensor, or other device, a
warning will appear on the multi-function dis-
play and the buzzer will sound. If this occurs,
reduce the engine speed, return to shore, and
have a Yamaha Boat Dealer check the boat.

Low fuel level warning
If “Fuel” appears on the multi-function dis-
play and the buzzer will sound, refill the fuel

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