2005 Yamaha Outboard 40D 50D Boat Motor Owners Manual

Operation
cool.
Third through tenth hours:
EMU27120
Oil
4.
5.
q Check to be sure you have plenty of oil for
Avoid operating  at full  throttle for more
than 5 minutes at a time. Let the engine
cool between full-throttle runs.  Vary en-
gine speed occasionally.
your trip.
EMU27130
Controls
q
Check throttle, shift, and steering for prop-
er operation before starting the engine.
The controls  should work smoothly,  with-
out binding or unusual free play.
After the first 10 hours:
Operate the  engine normally.  Use only
straight  gasoline in  the  fuel  tank.  The
Yamaha  oil  injection  system  provides
proper lubrication for normal operation.
q
q
q
Look for loose or damaged connections.
Check  operation of  the  starter  and  stop
switches when the outboard motor is in the
water.
EMU27101
Preoperation checks
EWM00080
WARNING
EMU27140
Engine
If any  item in  the  preoperation check  is
not  working properly,  have  it inspected
and  repaired  before  operating  the  out-
q
q
q
Check the engine and engine mounting.
Look for loose or damaged fasteners.
Check the propeller for damage.
board
motor.   Otherwise   an    accident
EMU27170
could occur.
Operation after a long period of
storage
ECM00120
CAUTION:
When operating the engine after a long peri-
od (12  months) of  storage, proceed  as fol-
lows:
Do not start the engine out of water. Over-
heating and  serious engine damage  can
occur.
1.
Use a  50:1 gasoline-oil mixture  to start
the engine.
EMU27110
Fuel
2.
Start the engine. Leave it idling.
EWM00090
WARNING
q
q
q
Check to  be sure you  have plenty of  fuel
for your trip.
Make sure there are no fuel leaks or gaso-
line fumes.
Check fuel line connections to be sure they
are tight (if equipped Yamaha  fuel tank or
boat tank).
q
q
Do not touch or remove electrical parts
when starting or during operation.
Keep  hands,  hair,   and  clothes  away
from  the  flywheel  and  other  rotating
parts while the engine is running.
3.
Watch for oil flowing through the oil feed
pipes. After  any air  in the  oil lines  has
been expelled,  the  oil injection  system
should  supply oil  normally.  If  no oil  is
flowing after 10 minutes of idling, consult
your Yamaha dealer.
q
Be sure the fuel tank is positioned on a se-
cure, flat surface,  and that the  fuel line is
not twisted or flattened, or likely to contact
sharp  objects  (if  equipped Yamaha  fuel
tank or boat tank).
24
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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