Checking Wiring And Connectors; Exhaust Leakage; Water Leakage; Checking Propeller - Yamaha 8D Owner's Manual

or other qualified mechanic.
2. Verify whether the idle speed is set to
specification. For idle speed specifica-
tions, see page 31.
EMU29111

Checking wiring and connectors

Check that each grounding wire is properly
G
secured.
Check that each connector is engaged se-
G
curely.
EMU29120

Exhaust leakage

Start the engine and check that no exhaust
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
EMU29130

Water leakage

Start the engine and check that no water
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
EMU29171

Checking propeller

EWM00321
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 spark
plug caps from the spark plugs. Also,
place the shift control in neutral, turn
the main switch to "
move the key, and remove the lanyard
from the engine stop switch. Turn off
the battery 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.
ZMU02875
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 / shear pin for wear or
G
damage.
Check for fish line tangled around the pro-
G
peller shaft.
Maintenance
" (off) and re-
ZMU02876
ZMU01897
40