Removing Propeller; Installing Propeller - Yamaha F4A Owner's Manual

Maintenance
Checkpoints
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]
53
ZMU02711
1. Cotter pin
2. Propeller nut
3. Washer
4. Propeller
5. Thrust washer
3. Remove
equipped), and thrust washer.
EMU30671

Installing propeller

EMU30372
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.
ZMU02712
1. Apply Yamaha marine grease or a cor-
rosion resistant grease to the propeller
shaft.
2. Install the spacer (if equipped), thrust
washer, and propeller 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 dam-
aged.
3. Install the spacer (if equipped) and the
washer. Tighten the propeller nut until
there
movement.
the propeller,
[ECM01880]
is no forward-and-backward
washer (if