Mercury FourStroke 2.5, Service Manual, Page: 20 / 205

Maintenance
90-8M0065421 NOVEMBER 2012 Page 1B-7
The anode requires periodic inspection especially in saltwater which will accelerate the erosion. To maintain this corrosion
protection, always replace the anode before it is completely eroded. Never paint or apply a protective coating on the anode as
this will reduce effectiveness of the anode.
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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. Remove the spark plug lead to prevent the engine from starting.
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2. Move the gear shift lever into neutral.
N
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3. Straighten and remove the cotter pin.
a - Cotter pin
a
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