Corrosion Control Anode - Mercury 25 EFI Service Manual

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Maintenance
Checking Shift Link Rod Adjustment
Check the shift link rod adjustment in forward shift position. The correct adjustment will position the shift cam far enough on the
roller in order to lock the reverse gate into forward position. The reverse gate should not be able to be forced up towards
neutral. Pull on the reverse gate by hand to verify.
a
b
c
d
Adjusting Shift Link Rod
1.
Place the shift handle into full forward shift position.
2.
Adjust the length of the shift link rod so the roller is at the full end of travel (bottom) in the shift cam when the shift handle is
in forward.

Corrosion Control Anode

Your outboard has corrosion control anodes at different locations. An anode helps protect the outboard against galvanic
corrosion by sacrificing its metal to be slowly corroded instead of the outboard metals.
Each 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.
One anode is installed in the engine block. Remove the flange screw at the location shown. Remove the screw securing the
anode. Fasten the anode to the flange screw. Tighten the screw to the specified torque. Install the flange screw with a new
O‑ring. Tighten the flange screw to the specified torque.
a
b
Description
Flange screw
Screw
Page 1B-18
a -
b -
c -
d -
29084
c
d
57328
© 2016 Mercury Marine
Shift link rod
Shift cam
Roller
Reverse gate
a -
Flange screw
b -
O‑ring
c -
Anode
d -
Screw
Nm
lb‑in.
6
53
6
53
90-8M0105568 eng MARCH 2016
lb‑ft

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