Engine control system
30
TIP:
If the alert system has activated, stop the engine and tilt the
outboard motor up to check the cooling water inlets for clog-
ging.
2.
If the alert system is still activated, tilt the overheated
outboard motor up and return to port.
EMU47391
Low oil pressure alert
If the oil pressure drops too low, the alert system will acti-
vate.
The engine speed will automatically decrease to about
2000–3500 r/min.
The low oil pressure-alert indicator will come on or blink.
The pop-up window will appear on the Multi-Display.
The buzzer will sound. (The device that produces the
sound may be different depending on the equipment in-
stalled on the boat.)
Illustration showing an example of the possible buzzer
location
TIP:
If the alert system has activated, stop the engine as soon as
it is safe to do so. Check the oil level and add oil as needed.
If the oil level is correct and the alert system does not turn
off, consult your Yamaha dealer.
Multiple-engine users
If the low oil pressure alert system of one outboard motor ac-
tivates, all of the engines will slow down and the buzzer will
sound.
To turn off the alert activation on the outboard motors not af-
fected by the low oil pressure
Turn the main switch to “
” (off) for the outboard motor
that has the low oil pressure.
EMU47401
Water separator alert
The outboard motor is equipped with a water separator alert
system. If water separated from the fuel exceeds a specific
volume, the alert system will activate.
The water separator-alert indicator will come on or blink.
The pop-up window will appear on the Multi-Display.
The buzzer will sound intermittently when the control lever
is in the neutral position.
If the alert system has activated
Stop the engine and see page 66 of this manual to drain the
water from the fuel filter. Return to port and consult a
Yamaha dealer immediately.
NOTICE
ECM02471
Although the buzzer will stop when the engine is started
and the control lever is moved to the forward or reverse
position, do not use the outboard motor. Otherwise, se-
rious engine damage could occur.
Confirm
Stop engine.
Consult Yamaha dealer.
LOW OIL PRESSURE
1. Main switch
ON
OFF
START
1
Confirm
Consult Yamaha dealer.
WATER IN FUEL
U6GR30E0.book Page 30 Thursday, April 12, 2018 9:28 AM
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2019 Yamaha Motor Corporation, U.S.A.