Low Oil Pressure Alert - Yamaha F250B Owner's Manual

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 cooling
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water inlet is submerged.
Check the cooling water inlet for clogging.
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Twin engine drive or triple engine drive users:
If the overheat alert system of one engine ac-
tivates, the engine will slow down. To switch
off the alert activation on the engine not affect-
ed by overheating, turn off the main switch of
the engine overheating. If the alert system
has activated, stop the engine and tilt the out-
board motor up to check the cooling water in-
let for clogging. If the alert system has still
activated, tilt the overheated outboard motor
up and return to the port.
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Low oil pressure alert

If the oil pressure drops too low, the alert de-
vice will activate.
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The engine speed will automatically de-
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crease to about 2000 r/min. The low oil
pressure-alert indicator will light or blink.
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The buzzer will sound in the same way as
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during an overheating alert.
If the alert device has activated, stop the en-
gine 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 device does not switch
off, consult your Yamaha dealer.
Twin engine drive or triple engine drive users:
If the low oil pressure alert system of one en-
gine activates, all of the engines will slow
down and the buzzer will sound. To switch off
the alert activation on the engine(s) not affect-
ed by low oil pressure, turn off the main switch
of the engine with the low oil pressure.
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