Maintenance
flushing attachment or test tank can be moving, or installing the propeller, place
used.
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.
If the boat is not equipped with a tachometer
for the outboard motor, use a diagnostic ta-
chometer for this procedure. Results may
vary depending on whether testing is con-
ducted with the flushing attachment, in a test Do not use your hand to hold the propeller
tank, or with the outboard motor in the water. when loosening or tightening the propeller
1.
2.
Start the engine and allow it to warm up nut. Put a wood block between the anti-cavi-
fully in neutral until it is running smooth- tation plate and the propeller to prevent the
ly.
propeller from turning.
Once the engine has warmed up, verify
whether the idle speed is set to specifi-
cation. For idle speed specifications,
see page 13. If you have difficulty verify-
ing the idle speed, or the idle speed re-
quires adjustment, consult a Yamaha
dealer or other qualified mechanic.
EMU29113
Checking wiring and connectors
q
Check that each connector is engaged se-
ZMU01897
curely.
Check that each ground lead is properly
secured.
Checkpoints
q
q
Check each of the propeller blades for ero-
sion from cavitation or ventilation, or other
damage.
q
q
q
Check the propeller shaft for damage.
Check the splines for wear or damage.
Check for fish line tangled around the pro-
peller shaft.
ZMU03737
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-
q Check the propeller shaft oil seal for dam-
62
| Categories | Marine, Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 25 |
| Model Year | 2008 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926 Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard |
| Document File Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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