2008 Yamaha Outboard 25 25hp Boat Motor Owners Manual

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
Product Specification
CategoriesMarine, Yamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags
Model Year2008
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 86 pages
LanguageEnglish
Product BrandYamaha 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 TypePDF
Publisheryamaha-motor.com
Wikipedia's PageYamaha Motor Company
CopyrightAttribution Non-commercial
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