Engine Control System; Alert System; Overheat Alert; Oil Level Alert And Oil Filter Clogging Alert - Yamaha 150F Owner's Manual

EMU26803

Alert system

ECM00091
NOTICE
Do not continue to operate the engine if a
alert device has activated. Consult your
Yamaha dealer if the problem cannot be
located and corrected.
EMU26826

Overheat alert

This engine has the overheat alert device. If
the engine temperature rises too high, the
alert device will activate.
The engine speed will automatically de-
●
crease to about 2000 r/min.
The overheat-alert indicator will light or
●
blink.
The buzzer will sound.
●

Engine control system

If the alert system has activated, stop the en-
gine and check the cooling water inlets:
Check trim angle to be sure that the cool-
●
ing water inlet is submerged.
Check the cooling water inlet for clogging.
●
Dual engine drive users:
ZMU01757
If the overheat-alert system of one engine
activates, the engine will slow down. To
switch off the alert activation on the engine
not affected by overheating, turn off the main
switch of the engine overheating. If the alert
system has activated, stop the engine and tilt
the outboard motor up to check the cooling
water inlet for clogging. If the alert system
has still activated, tilt the overheated out-
board motor up and return to the port.
EMU26848
Oil level alert and oil filter clogging
alert
Oil injection models
This engine has an oil level alert system. If
ON ON
OFF START OFF START
ZMU04584
ZMU02630
31