2008 Yamaha Outboard 25 25hp Boat Motor Owners Manual

Maintenance
lowing procedures.
ECM01411
NOTICE
1
2
q
Do not place the outboard motor on its
side   before   the   cooling   water   has
drained  from it  completely,  otherwise
water  may enter  the  cylinder  through
the exhaust port and cause engine trou-
ble.
ZMU02051
q
Store the outboard motor in a dry, well-
ventilated place, not in direct sunlight.
1.
2.
Water surface
Lowest water level
EMU28304
Procedure
5.
Fill the tank with fresh water to above the
EMU28376
Flushing in a test tank
ECM00300
NOTICE
level
of
the
anti-cavitation
plate.
NOTICE: If the fresh water level is be-
low  the  level  of   the  anti-cavitation
plate, or if the water supply is insuffi-
cient,   engine   seizure   may   occur.
[ECM00291]
Do not run  the engine without supplying
it  with cooling  water.  Either  the engine
water pump  will  be damaged  or the  en-
gine will  be  damaged from  overheating.
Before  starting  the  engine,  be  sure  to
supply water to the cooling water passag-
es.
6.
Cooling system  flushing  is essential  to
prevent  the cooling  system  from  clog-
ging up  with salt, sand,  or dirt. In  addi-
tion, fogging of the engine is mandatory
to  prevent  excessive   engine  damage
due  to  rust.  Perform the  flushing  and
fogging  at the  same  time. WARNING!
Do  not  touch   or  remove  electrical
parts when  starting or during opera-
tion.  Keep hands,  hair,  and  clothes
away from the flywheel  and other ro-
tating parts  while the  engine is  run-
1.
Wash  the  outboard  motor body  using
fresh water. NOTICE: Do not spray wa-
[ECM01840]
ter into  the air  intake.             For fur-
ther information, see page 55.
2.
Fill the fuel tank with  fresh fuel and add
one ounce of Yamaha Fuel Conditioner
and Stabilizerto each gallon of fuel.
TIP:
ning.
[EWM00091]
The use  of  Yamaha Fuel  Conditioner and
Stabilizereliminates  the need  to drain  the
fuel system. Consult your Yamaha dealer or
other qualified mechanic if the fuel system is
to be drained instead.
7.
8.
Run the  engine at a fast  idle for 1015
minutes in neutral position.
Just prior to turning off the engine, quick-
ly   spray   Yamaha   Stor-Rite   Engine
Fogging Oilalternately into each carbu-
retor or the  fogging hole of  the silencer
cover, if equipped. When properly done,
the engine  will  smoke excessively  and
3.
Remove the engine  top cowling and si-
lencer cover.
4.
Install  the  outboard motor  on  the  test
tank.
54
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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