Mercury 40 4-Stroke - Component Replacement and Checks

MAINTENANCE
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This model has an anode installed on each side of the gearcase and one on the bottom of the transom
bracket assembly.
a
b
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a - Anode on transom bracket assembly b - Gearcase anodes
Propeller Replacement
!
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. Shift the outboard to the neutral ("N") position.
N
N
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2. Remove the spark plug leads to prevent engine from starting.
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