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
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 40D, Yamaha 50D |
| 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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