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Mercury 135 Optimax User Manual

Mercury 135 Optimax
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FEATURES AND CONTROLS
24
The warning horn will emit either a continuous beep or intermittent short beeps. This will alert the operator and
help identify the following listed situations. For visual display of the specific engine functions and for additional
engine data, refer to SmartCraft Product information, following.
Warning Horn
Function Sound Description
Start Up One Beep Normal System Test
Low Oil Reserve Four Beeps every 2 Minutes Oil lever is low in the engine
mounted oil reservoir. Refill the
engine mounted oil reservoir
along with the remote oil tank.
Refer to Fuel & Oil.
Water in Fuel Four Beeps every 2 Minutes Water in the water separating
fuel filter reaches the full level.
Water can be removed from the
filter. Refer to Maintenance ‑
Fuel System for filter removal.
Cooling System Problem Continuous Engine Guardian System is
activated. Power limit will vary
with level of overheat. Shift
outboard into neutral and
check for a steady stream of
water coming out of the water
pump indicator hole. If no water
is coming out of the water pump
indicator hole or flow is
intermittent, stop engine and
check water intake holes for
obstruction. The Guardian
System must be RESET before
engine will operate at higher
speeds. Moving throttle lever
back to idle resets the system.
Oil Level is Critically Low Continuous Engine Guardian System is
activated. Power will be limited.
The oil level is critically low in
the engine mounted oil
reservoir. Refill the engine
mounted oil reservoir along
with the remote oil tank.

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Mercury 135 Optimax Specifications

General IconGeneral
StartingElectric
ExhaustThrough Prop
Horsepower135 HP
Fuel Induction SystemDirect Fuel Injection
Alternator Amp60 Amp
Shaft Length20", 25"
Full Throttle RPM5250-5750
SteeringHydraulic

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