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Propulsion System
NEVER EXCEED THE MAXIMUM RECOMMENDED OPERATION
RPM OF THE ENGINE. MAINTAINING MAXIMUM OR CLOSE
TO MAXIMUM RPM FOR EXTENDED PERIODS CAN REDUCE
THE LIFE OF THE ENGINE.
Speedometer
Yamaha Command Link or Command Link Plus
®
speedometers can indicate boat speed via the en-
gine pickup or an optional GPS or depth sounder
triducer, if these optional electronics are installed
in your boat. Refer to the engine gauge and elec-
tronics operating manuals for more information on
the speedometer options available for your boat.
Overheat Warning Indicator
The temperature warning indicates that the tem-
perature of the engine is too high. A sudden
increase in the temperature could indicate an
obstructed water inlet or an impeller failure.
With Command Link instruments, the overheat
warning indicator is built into the tachometer. On
boats equipped with Command Link Plus
®
, the
overheat warning indicator is built into the LCD
display.
The warning indicator will start to blink and sound
an alarm if the engine temperature is too high.
CONTINUED OPERATION OF AN OVERHEATED ENGINE
CAN RESULT IN ENGINE SEIZURE. IF AN UNUSUALLY HIGH
TEMPERATURE READING OCCURS, SHUT THE ENGINE OFF
IMMEDIATELY. THEN INVESTIGATE AND CORRECT THE
PROBLEM.
Fuel Gauge
The fuel gauge indicates the amount of fuel in
the fuel tank.
With Command Link instruments, the fuel gauge
is built into the speedometer multi-gauge. On
boats equipped with Command Link Plus
®
, the fuel
gauge is built into the LCD Display.
The fuel indicator on the display will begin to blink
if fuel in the tank drops too low. The system can
monitor up to 4 fuel or water tanks.
Voltmeter
The voltmeter displays the voltage for the battery
and the charging system. The normal voltage is
11 to 12 volts with the engine o and 13 to 14.5
volts with the engine running.
With Command Link instruments, the voltmeter
is built into the speedometer multi-gauge. On
boats equipped with Command Link Plus
®
, the
voltmeter is built into the LCD Display.
The voltmeter display will begin to blink if the
voltage in the battery drops too low.
Typical Yamaha Round Tachometer
Multifunction Instrument
Typical Yamaha Square Tachometer & Speed
Multifunction Instruments
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