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Basic components
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 can-
not be located and corrected.
EMU26825
Overheat warning
This engine has the overheat warning de-
vice. 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.
If equipped with the overheat-warning indi-
G
cator, it will light or blink.
The buzzer will sound.
G
38
If the warning system has activated, stop the
engine and check the cooling water inlet for
clogging.
ZMU01757
NOTE:
Dual engine drive users:
Should the overheat-warning system of one
engine activate, the engine will slow down
ZMU04766
and the buzzer will sound. This will cause the
other engine to slow down and the buzzer to
sound. To switch off the warning activation
ON
ON
OFF
START
OFF
START
ZMU04584
ZMU05505
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