Yamaha 70 - Removing Propeller; Installing Propeller

Maintenance
66
●
Check each of the propeller blades for
wear, erosion from cavitation or ventila-
tion, 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
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]
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
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
1. Cotter pin
ZMU03131
1
2
3
5
6
4
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
ZMU03842
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2
3
4
5
6