Maintenance
68
●
Check each of the propeller blades for
wear, erosion from cavitation or ventilation,
or other damage.
●
Check the propeller shaft for damage.
●
Check the splines for wear or damage.
●
Check for fish line tangled around the pro-
peller shaft.
●
Check the propeller shaft oil seal for dam-
age.
EMU30661
Removing propeller
EMU29197
Spline models
1.
Straighten the cotter pin and pull it out us-
ing a pair of pliers.
2.
Remove the propeller nut, washer, and
spacer (if equipped).
WARNING! Do not
use your hand to hold the propeller
when loosening the propeller nut.
[EWM01890]
3.
Remove the propeller, washer (if
equipped), and thrust washer.
EMU30671
Installing propeller
EMU29233
Spline models
NOTICE
ECM00500
Be sure to use a new cotter pin and bend
the ends over securely. Otherwise the pro-
peller could come off during operation and
be lost.
1.
Apply Yamaha marine grease or a corro-
sion 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, otherwise the
lower case and propeller boss could
be damaged.
[ECM01880]
3.
Install the spacer (if equipped) and the
washer. Tighten the propeller nut to the
specified torque.
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.
[ECM01890]
1. Cotter pin
2. Propeller nut
3. Washer
ZMU03228
1
2
3
4
5
6
4. Spacer
5. Propeller
6. Thrust washer
Propeller nut tightening torque:
35.0 Nm (3.57 kgf-m, 25.8 ft-lb)
U6D625E0.book Page 68 Thursday, March 13, 2008 9:06 AM