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Mercury 300XS OptiMax User Manual

Mercury 300XS OptiMax
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MAINTENANCE
72
IMPORTANT: Visually inspect for fuel leakage from the drain
screw by squeezing the primer bulb until firm, forcing fuel into the
chamber.
If you experience multiple issues with water in the fuel system over
a short period of time, see your authorized Mercury dealer.
Steering Link Rod Fasteners
IMPORTANT: The steering link rod that connects the steering
cables to the engine must be fastened using special washer head
bolt (P/N 10-849838) and self-locking nylon insert locknuts (P/N
11-826709113). Never replace locknuts with common nuts
(non-locking) as they will work loose/vibrate off freeing link rod to
disengage.
!
WARNING
Disengagement of a steering link rod can result in the boat taking
a full, sudden, sharp turn. This potentially violent action can
cause occupants to be thrown overboard exposing them to
serious injury or death.

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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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