Yamaha F40F Owner's Manual download pdf (Page 92)

Maintenance

86

TIP:

 For more information on the disposal of

used oil, consult your Yamaha dealer.

 Change the oil more often when operating

the engine under adverse conditions such

as extended trolling.

EMU29114

Inspecting wiring and connectors

 Inspect that each connector is engaged

securely.

 Inspect that each ground lead is properly

secured.

EMU32112

Checking propeller

WARNING

EWM01881

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.

 Check for fish line tangled around the pro-

peller shaft.

 Check the propeller shaft oil seal for dam-

age.

ZMU06436

ZMU06437

ZMU01897

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