Maintenance
which could result in an accident.
ECM00490
CAUTION:
2
4
1
This procedure must be performed while
the outboard motor is in the water. A
flushing attachment or test tank can be
used.
3
A diagnostic tachometer should be used for
this procedure. Results may vary depending
on whether testing is conducted with the
flushing attachment, in a test tank, or with the
outboard motor in the water.
ZMU02079
1.
2.
3.
4.
Filter cup
Filter element
Filter housing
O-ring
1.
Start the engine and allow it to warm up
fully in neutral until it is running smooth-
ly.
4.
Reinstall the filter element in the cup.
Make sure the O-ring is in position in the
cup. Firmly screw the cup onto the filter
housing.
Attach the filter assembly to the bracket
so that the fuel hoses are attached to the
filter assembly.
2-hp model: Warm the engine with the
throttle in the start position or less. If the
outboard is mounted on a boat, be sure
the boat is tightly moored.
NOTE:
Correct idling speed inspection is only possi-
5.
6.
Run the engine and check the filter and ble if the engine is fully warmed up. If not
lines for leaks.
warmed up fully, the idle speed will measure
higher than normal. If you have difficulty ver-
ifying the idle speed, or the idle speed re-
quires adjustment, consult a Yamaha dealer
or other qualified mechanic.
EMU29040
Inspecting idling speed
EWM00450
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.
2-hp models: The propeller rotates
whenever the engine is running. Do not
move the throttle control lever from the
start position during warm-up. The boat
2.
Verify whether the idle speed is set to
specification. For idle speed specifica-
tions, see page 37.
EMU29061
Checking water in engine oil tank
A translucent water drain hose is connected
from the bottom of the oil tank to the filler
neck. If water or foreign matter collects in this
hose, consult a Yamaha dealer.
q
could
unexpectedly start to move,
47
| 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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