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Mercury 300XS OptiMax User Manual

Mercury 300XS OptiMax
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MAINTENANCE
71
DRAINING WATER FROM THE FUEL FILTER CHAMBER
NOTE: If a sufficient amount of water accumulats in the fuel filter
chamber, the engine's warning system alerts the operator with the
warning horn. Some SmartCraft gauges are capable of alerting the
operator of this and other operating conditions/faults. Refer to
Warning System in the Features and Controls section of this
manual for more information. If the warning system alerts you to
this condition, drain the water from the fuel filter chamber.
ob01679
a
b
c
a - Drain hose
b - Aft hose fitting
c - Filter drain screw
1. Remove the drain hose from the aft hose fitting (right side of
the chamber). Hold the unattached end of the hose over a
suitable container.
2. Loosen the filter drain screw (left side of the chamber) and
allow the contents to drain.
NOTE: If little or no liquid drains from the hose, loosen the red
filter to vent the chamber.
3. Tighten drain screw and reattach the hose.

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Mercury 300XS OptiMax Specifications

General IconGeneral
Engine Type2-Stroke
Horsepower300 HP
Alternator Output60 amp / 756 watt
Gear Ratio1.75:1
Starting SystemElectric
Fuel System2-Stage Direct Fuel Injection (DFI)
Weight505 lbs / 229 kg
Cylinders6
SteeringHydraulic
Shaft Length25"

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