Maintenance
start position during warm-up. The boat
could unexpectedly start to move, which
could result in an accident.
ECM00490
CAUTION:
This procedure must be performed while
the outboard motor is in the water. A flush-
ing attachment or test tank can be used.
ZMU02087
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.
EMU29120
Exhaust leakage
Start the engine and check that no exhaust
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
1.
Start the engine and allow it to warm up
fully in neutral until it is running smoothly.
EMU29130
Water leakage
2-hp
model: Warm the engine with the Start the engine and check that no water
throttle in the start position or less. If the leaks from the joints between the exhaust
outboard is mounted on a boat, be sure cover, cylinder head, and body cylinder.
the boat is tightly moored.
EMU29171
Checking propeller
NOTE:
EWM00321
WARNING
Correct idling speed inspection is only possi-
ble if the engine is fully warmed up. If not You could be seriously injured if the en-
warmed up fully, the idle speed will measure gine accidentally starts when you are near
higher than normal. If you have difficulty veri- the propeller.
fying the idle speed, or the idle speed requires q Before inspecting, removing, or install-
adjustment, consult a Yamaha dealer or other
qualified mechanic.
ing the propeller, remove the spark plug
caps from the spark plugs. Also, place
the shift control in neutral, turn the main
2.
Verify whether the idle speed is set to
specification. For idle speed specifica-
tions, see page 32.
switch to“
” (off) and remove the key,
and remove the lanyard from the engine
stop switch. Turn off the battery cut-off
switch if your boat has one.
EMU29111
Checking wiring and connectors
q
q
Check that each grounding wire is properly
secured.
Check that each connector is engaged se-
curely.
q
Do not use your hand to hold the propel-
ler when loosening or tightening the
propeller nut. Put a wood block between
the anti-cavitation plate and the propel-
ler to prevent the propeller from turning.
40
| Categories | Yamaha Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual Free Download. Marine Operator's Boating Guide. |
| Tags | Yamaha 15D, Yamaha 9.9D |
| 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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