Inspecting Wiring And Connectors; Checking Propeller; Removing Propeller - Yamaha 40X Owner's Manual

other qualified mechanic.
EMU29114

Inspecting wiring and connectors

Inspect that each connector is engaged
●
securely.
Inspect that each ground lead is properly
●
secured.
EMU32112

Checking propeller

EWM01881
WARNING
You could be seriously injured if the en-
gine accidentally starts when you are
near the propeller. Before inspecting, re-
moving, or installing the propeller, place
the shift control in neutral, turn the main
switch to " " (off) and remove the key,
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.
●
ZMU03078
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
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]
Maintenance
ZMU01897
63