Installing Propeller - Yamaha F25A Owner's Manual

4. Spacer
5. Propeller
6. Thrust washer
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
3. Remove the
equipped), and thrust washer.
EMU30671

Installing propeller

EMU29233
Spline models
ECM00500
NOTICE
Be sure to use a new cotter pin and bend
the ends over securely. Otherwise the
propeller could come off during opera-
tion and be lost.
1. Apply Yamaha marine grease or a cor-
rosion resistant grease to the propeller
shaft.
2. Install the spacer (if equipped), thrust
washer, washer (if equipped), and pro-
peller on the propeller shaft. NOTICE:
Be sure to install the thrust washer
before installing the propeller, other-
wise the lower case and propeller
1
3
4
5
6
ZMU02829
propeller, washer
boss could be damaged.
3. Install the spacer (if equipped) and the
washer. Tighten the propeller nut to the
specified torque.
Propeller nut tightening torque:
F25AEHT 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F25AET 35.0 Nm
2
(3.57 kgf-m, 25.8 ft-lb)
F25AMH 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
F25CMH 35.0 Nm
(3.57 kgf-m, 25.8 ft-lb)
FT25BET 40.0 Nm
(4.08 kgf-m, 29.5 ft-lb)
4. Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends. NO-
TICE: Do not reuse the cotter pin in-
(if stalled. Otherwise the propeller can
come off during operation.
TIP:
If the propeller nut does not align with the
propeller shaft hole after tightening to the
specified torque, tighten the nut further to
align it with the hole.
Maintenance
[ECM01880]
[ECM01890]
ZMU02063
69