Mercury 25 EFI FourStroke User Manual page 160

2. Remove spark plug leads to prevent engine from starting.
3. Coat the propeller shaft with Anti‑Corrosion Grease or 2‑4‑C
with PTFE.
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.
Tube
Description
Ref No.
Anti-Corrosion
94
Grease
2-4-C with
95
PTFE
4. Install front thrust hub, propeller, rear thrust washer and
propeller nut onto the shaft.
a
b
5. Place a block of wood between gearcase and propeller and
torque propeller nut to specification.
INSTALLATION
Where Used
Propeller shaft
Propeller shaft
c
d
10077
26899
10087
a - Propeller nut
b - Rear thrust washer
c - Propeller
d - Forward thrust hub
150
Part No.
92-802867Q 1
92-802859A 1
eng