Checking Connector And Lead; Checking Propeller; Removing Propeller - Yamaha F4B Owner's Manual

Maintenance
16. Dispose of used oil according to local
regulations.
TIP:
For more information on the disposal of
G
used oil, consult your Yamaha dealer.
Change the oil more often when operating
G
the engine under adverse conditions such
as extended trolling.
17. Install the top cowling.
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Checking connector and lead

For checking of the following items for the
connectors and leads, consult a Yamaha
dealer.
Check that each connector is connected
G
securely.
Check that each ground lead is secured
G
properly.
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Checking propeller

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WARNING
You could be seriously injured if the en-
gine accidentally starts when you are near
the propeller. Before inspecting, remov-
ing, or installing the propeller, place the
gear shift lever in neutral, and remove the
clip from the engine shut-off switch.
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.
57
Checkpoints
Check each of the propeller blades for ero-
G
sion from cavitation or ventilation, 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.
1. Propeller shaft
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Removing propeller

EMU39310
Spline models
1. Straighten the cotter pin and pull it out us-
ing a pair of pliers.
2. Remove the propeller nut and washer.
WARNING! Do not use your hand to
hold the propeller when loosening the
propeller nut.
[EWM01890]
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