Yamaha F9.9 - Removing Propeller

Maintenance
87
and remove the clip from the engine shut-
off switch. Turn off the battery cut-off
switch if your boat has one.
Do not use your hand to hold the propeller
when loosening or tightening the propeller
nut. Put a wood block between the anti-cavi-
tation plate and the propeller to prevent the
propeller from turning.
Checkpoints
● Check each of the propeller blades for ero-
sion 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.
EMU30662
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]
ZMU07969
ZMU07970
1. Cotter pin
2. Propeller nut
3. Washer
4. Propeller
5. Thrust washer
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
U6DR30E0.book Page 87 Friday, November 30, 2012 4:27 PM