Removing Propeller; Installing Propeller - Yamaha F50F Owner's Manual

Maintenance
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
86
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]
ZMU01897
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
3. Remove
equipped), and thrust washer.
EMU30672

Installing propeller

EMU29234
Spline models
ECM00501
NOTICE
Make sure to use a new cotter pin and
bend the ends over securely. Otherwise,
the propeller could come off during oper-
ation 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:
Make sure to install the thrust washer
the propeller, washer (if