Checking Wiring And Connectors; Checking Propeller; Removing Propeller - Yamaha F25 Owner's Manual

Maintenance
Change the oil more often when operating
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the engine under adverse conditions such
as extended trolling.
EMU29113

Checking wiring and connectors

Check that each connector is engaged se-
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curely.
Check that each ground lead is properly
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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
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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-
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sion from cavitation or ventilation, or other
damage.
Check the propeller shaft for damage.
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Check the splines for wear or damage.
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Check for fish line tangled around the pro-
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peller shaft.
ZMU06562
Check the propeller shaft oil seal for dam-
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age.
EMU30662

Removing propeller

EMU29197
Spline models
1. Straighten the cotter pin and pull it out
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