Propeller Replacement - Mercury 25 EFI Service Manual

Maintenance
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
The second anode is the trim tab and the third anode is installed on the transom brackets.
a

Propeller Replacement

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 neutral (N) position.
N
26838
IMPORTANT: Refer to Spark Plug Inspection and Replacement for removing spark plug leads.
Page 1B-10
c
d
57328
10236
F
NEUTRAL
F
START
R
R
© 2016 Mercury Marine
a - Flange screw
b - O‑ring
c - Anode
d - Screw
10239
b
c
WARNING
!
10051
Nm lb‑in.
6 53
6 53
a - Trim tab
b - Transom bracket anode ‑ long
c - Transom bracket anode ‑ short
10243
90-8M0105568 eng MARCH 2016
lb‑ft
–
–