2005 Yamaha Outboard 90D Boat Motor Owners Manual

Operation
throttle to 3000 r/min or less.
Second hour:
are tight (if equipped Yamaha  fuel tank or
boat tank).
3.
Accelerate  at  full   throttle  onto  plane,
then reduce engine speed to three-quar-
ter  throttle (approximately  4000 r/min).
Vary engine speed occasionally. Run at
full  throttle for  one  minute,  then  allow
about 10 minutes  of operation at three-
quarter throttle or  less to let  the engine
cool.
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).
EMU27120
Oil
q Check to be sure you have plenty of oil for
your trip.
4.
5.
Third through tenth hours:
EMU27130
Controls
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.
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.
Look for loose or damaged connections.
Check  operation of  the  starter  and  stop
switches when the outboard motor is in the
water.
q
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
EMU27101
Preoperation checks
EMU27140
Engine
EWM00080
WARNING
q Check the engine and engine mounting.
q
q
Look for loose or damaged fasteners.
Check the propeller for damage.
If any  item in  the  preoperation check  is
not  working properly,  have  it inspected
EMU27170
and  repaired  before  operating  the  out-    Operation after a long period of
board
could occur.
motor.
Otherwise
an
accident
storage
When operating the engine after a long peri-
od (12  months) of  storage, proceed  as fol-
lows:
ECM00120
CAUTION:
1.
Use a  50:1 gasoline-oil mixture  to start
the engine.
Start the engine. Leave it idling.
Do not start the engine out of water. Over-
heating and  serious engine damage  can
occur.
2.
EWM00090
EMU27110
Fuel
WARNING
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.
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
23
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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