Instrument operation
47
start the engine again, or push the “ALARM
MUTE” button.
TIP:
If the “ALARM MUTE” button was pushed to
stop the buzzer, the buzzer will start sound-
ing again after 5 minutes.
Fuel level warning
If the amount of remaining fuel is less than
10%, the percentage display of the fuel level
meter changes to “Low”, and the buzzer
sounds intermittently.
If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 57
for information on filling the fuel tank.)
Battery voltage warning
If the battery voltage is less than 12 volts or
more than 18 volts when the engine is notrunning, the voltage display of the voltmeter
blinks.
If the battery voltage warning is activated,
have the watercraft serviced by a Yamaha
dealer as soon as possible.
Check engine warning “ ”
If a sensor malfunction or a short circuit is de-
tected, the warning bar is shown instead of
the tachometer value display, “ ” is shown,
and the buzzer sounds intermittently.
If the check engine warning is activated, im-
mediately reduce the engine speed, return to
shore, and have a Yamaha dealer check the
engine.
TIP:
Tap “ ” to display a description of the
warning in the center display.
Engine overheat warning “ ”
If the engine temperature rises significantly,
the warning bar is shown instead of the ta-
chometer value display, “ ” and “ ” are
shown, and the buzzer sounds continuously.
1“ALARM MUTE” button
1
Low0
F13.6Vx100
RPM
MPH
0
F10.8Vx100
RPM
100%
MPH
UF3X70E0.book Page 47 Friday, August 24, 2018 9:23 AM
Trouble recovery
98
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible57
Stale or contaminat-
edHave serviced by
Yamaha dealer—
Incorrect octane
numberUse correct fuel
57
Fuel tank Water or dirt present Have serviced by
Yamaha dealer—
Spark plug Fouled or defective Have serviced by
Yamaha dealer—
Incorrect heat range Have serviced by
Yamaha dealer—
Gap incorrect Have serviced by
Yamaha dealer—
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel injec-
tion systemFaulty or clogged in-
jectorsHave serviced by
Yamaha dealer—
Warning is dis-
playedFuel level
warningFuel tank empty Refill as soon as pos-
sible57
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer48
Engine over-
heat warningJet intake clogged Clean
100
Check en-
gine warningFaulty sensors Have serviced by
Yamaha dealer47 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3X70E0.book Page 98 Friday, August 24, 2018 9:23 AM
Engine data recording
This model’s ECM stores certain engine data to assist in the diagnosis of malfunctions and for
research, statistical analysis and development purposes.
Although the sensors and recorded data will vary by model, the main data points are:
Engine status and engine performance data
This data will be uploaded only when a special Yamaha diagnostic tool is attached to the en-
gine, such as when maintenance checks or service procedures are performed. Engine data
uploaded will be handled appropriately according to the following Privacy Policy.
Privacy Policy
https://www.yamaha-motor.eu/eu/privacy/privacy-policy.aspx
Yamaha will not disclose this data to a third party except in the following cases. In addition,
Yamaha may provide engine data to a contractor in order to outsource services related to the
handling of the engine data. Even in this case, Yamaha will require the contractor to properly
handle the engine data we provided and Yamaha will appropriately manage the data.
With the consent of the boat owner
Where obligated by law
For use by Yamaha in litigation
For general Yamaha-conducted research purposes when the data is not related to an indi-
vidual engine or owner
