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
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 90D |
| Model Year | 2005 |
| Download File |
|
| Language | English |
| Product Brand | Yamaha 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 Type | |
| Publisher | yamaha-motor.com |
| Wikipedia's Page | Yamaha Motor Company |
| Copyright | Attribution Non-commercial |
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