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Mercury 40 4-Stroke User Manual

Mercury 40 4-Stroke
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OUTBOARD INSTALLATION
85
PROPELLER INSTALLATION - 87.3 MM (3-7/16 IN.) DIAMETER
GEARCASE
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat out of the water with a
propeller installed. Before installing or removing a propeller, place the drive unit in neutral and engage
the lanyard stop switch to prevent the engine from starting. Place a block of wood between the
propeller blade and the anti-ventilation plate.
1. Coat the propeller shaft with Quicksilver or Mercury Precision Lubricants Anti-Corrosion Grease
or 2-4-C Marine Lubricant with Teflon.
26902
Tube Ref No. Description Where Used Part No.
94
Anti-Corrosion Grease Propeller shaft 92-802867 Q1
95
2-4-C Marine Lubricant with
Teflon
Propeller shaft 92-802859Q1
IMPORTANT: To prevent the propeller hub from corroding and seizing to the propeller shaft (especially
in salt water), always apply a coat of the recommended lubricant to the entire propeller shaft at the
recommended maintenance intervals, and also each time the propeller is removed.
2. Flo-Torq I Drive Hub Propellers - Install forward thrust hub, propeller, propeller nut retainer and
propeller nut onto the shaft.
a
b
c
d
26903
a -
Propeller nut
b - Propeller nut retainer
c - Propeller
d - Forward thrust hub

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Mercury 40 4-Stroke Specifications

General IconGeneral
Engine Type4-Stroke
Horsepower40 hp
Cylinders3
Fuel Induction SystemElectronic Fuel Injection (EFI)
StartingElectric
Displacement747 cc
Shaft Length20 in
Dry Weight216 lbs
SteeringRemote
Alternator Amp18 amp / 226 watt
Full Throttle RPM5500 - 6000 RPM

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