2005 Yamaha Outboard 40D 50D Boat Motor Owners Manual

General information
dry rags.
EMU25650
Engine oil
q
q
Do not overfill the fuel tank.
Tighten the filler  cap securely after  re-
fueling.
If you  should  swallow some  gasoline,
inhale  a lot  of  gasoline  vapor, or  get
gasoline  in  your eyes,  get  immediate
medical attention.
Recommended engine oil:
YAMALUBE 2-stroke outboard motor
oil
q
If the  recommended engine oil  is not  avail-
able,  another  2-stroke  engine  oil  with  an
If any gasoline spills onto your skin, im-   NMMA-certified TC-W3 rating may be used.
q
q
mediately  wash with  soap  and  water.
EMU25690
Battery requirement
Change clothing if gasoline spills on it.
Touch the fuel nozzle to the filler open-
ing  or funnel  to  help prevent  electro-
static sparks.
ECM01060
CAUTION:
Do not  use a battery  that does not  meet
the specified capacity.  If a battery which
does not meet specifications is used, the
electric system  could perform  poorly or
be  overloaded,  causing electric  system
damage.
ECM00010
CAUTION:
Use only  new clean  gasoline which  has
been stored in clean containers and is not
contaminated with  water or foreign  mat-
ter.
For electric  start  models, choose  a battery
which meets the following specifications.
EMU25570
Gasoline
If knocking or pinging occurs, use a different
brand of gasoline or premium unleaded fuel.
EMU25711
Battery specifications
Minimum cold cranking amps (CCA/
SAE):
245.0
Minimum marine cranking amps (MCA/
ABYC):
323.0
Recommended gasoline:
A
Regular unleaded gasoline with a min-
imum octane rating of 86 (Pump Oc-
tane Number) = (R+M)/2
A
Gasohol
Minimum reserve capacity (RC/SAE):
52 minutes
There are two types of gasohol: gasohol con-
taining  ethanol and  that  containing metha-
nol. Gasohol containing ethanol can be used
if ethanol content does not exceed 10% and
the  fuel   meets  minimum   octane  ratings.
Yamaha  does  not  recommended  gasohol
containing  methanol because  it  can cause
fuel system damage or  engine performance
problems.
EMU25741
Propeller selection
The performance of your outboard motor will
be critically affected by your choice of propel-
ler, as  an  incorrect choice  could adversely
affect performance and could  also seriously
damage the  motor. Engine  speed depends
on the propeller size and boat load. If engine
8
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags,
Model Year2005
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 77 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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