Checking Propeller; Removing Propeller - Yamaha F50 Owner's Manual

4. Check that the trim and tilt rod / the tilt
rod is free of corrosion or other flaws.
5. Tilt the outboard motor down. Check
that the trim and tilt rod / the tilt rod oper-
ates smoothly.
NOTE:
Consult your Yamaha dealer if any operation
is abnormal.
EMU29172

Checking propeller

EWM00322
WARNING
You could be seriously injured if the en-
gine accidentally starts when you are
near the propeller.
Before inspecting, removing, or install-
G
ing the propeller, remove the ignition
coils from the spark plugs. Also, place
the shift control in neutral, turn the
main switch to "
the key, and remove the clip from the
engine shut-off switch. Turn off the bat-
tery cut-off switch if your boat has one.
Do not use your hand to hold the pro-
G
peller when loosening or tightening the
propeller nut. Put a wood block be-
tween the anti-cavitation plate and the
propeller to prevent the propeller from
turning.
" (off) and remove
ZMU03663
Checkpoints
Check each of the propeller blades for
G
wear, erosion from cavitation or ventila-
tion, or other damage.
Check the propeller shaft for damage.
G
Check the splines for wear or damage.
G
Check for fish line tangled around the pro-
G
peller shaft.
Check the propeller shaft oil seal for dam-
G
age.
EMU30661

Removing propeller

EMU31450
Spline models
1. Straighten the cotter pin and pull it out
using a pair of pliers.
2. Remove the propeller nut and washer.
Maintenance
ZMU01897
75