Removing Propeller; Installing Propeller - Yamaha 50 Owner's Manual

sion from cavitation or ventilation, or other
damage.
Check the propeller shaft for damage.
G
Check the splines for wear or damage.
G
Check for fish line tangled around the pro-
G
peller shaft.
Check the propeller shaft oil seal for dam-
G
age.
EMU30662

Removing propeller

EMU29197
Spline models
1. Straighten the cotter pin and pull it out
using a pair of pliers.
2. Remove the propeller nut, washer, and
spacer (if equipped). WARNING! Do
not use your hand to hold the propel-
ler when loosening the propeller nut.
[EWM01890]
1. Cotter pin
2. Propeller nut
1
2
3
4
6
5
ZMU03131
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
3. Remove the
equipped), and thrust washer.
EMU30672

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
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:
35.0 Nm (3.57 kgf-m, 25.8 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.
NOTICE: Do not reuse the cotter pin
installed. Otherwise the propeller can
come off during operation.
Maintenance
propeller, washer
[ECM01880]
[ECM01890]
(if
65