Water Separator Warning Indicator; Warning System; Overheat Warning (Twin Engines) - Yamaha F150D Owner's Manual

Basic components
NOTE:
If the two engines' speeds are not synchro-
nized while cruising, they can be synchro-
nized by adjusting trim angle or throttle.
EMU26791

Water separator warning indicator

This indicator will blink when water has accu-
mulated in the water separator. In such an
event, stop the engine and drain the water
from the separator.
NOTE:
This indicator only operates when a water
separator sensor is equipped.
EMU26801

Warning system

ECM00090
CAUTION:
Do not continue to operate the engine if a
warning device has activated. Consult
your Yamaha dealer if the problem cannot
be located and corrected.
EMU26822

Overheat warning (twin engines)

This engine has an overheat warning device.
If the engine temperature rises too high, the
warning device will activate.
Activation of warning device
The engine speed will automatically de-
G
crease to about 2000 r/min.
24
If equipped with an overheat warning indi-
G
cator, it will light.
The buzzer will sound.
G
ZMU01755
If the warning system has activated, stop the
engine and check the cooling water inlet for
clogging.
NOTE:
Dual engine drive users:
ON ON
OFF START OFF START
ZMU01757
ZMU04584