2005 Yamaha Outboard F4D Boat Motor Owners Manual

Maintenance
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.
q
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
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
flushing attachment  or  test tank  can be
used.
ZMU04505
Checkpoints
q
q
q
q
Fuel system parts leakage
Fuel line joint leakage
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.
Fuel line cracks or other damage
Fuel connector leakage
EMU28990
Checking fuel filter
Check the fuel filter periodically. The fuel  fil-
ter is a one piece, disposable type. If foreign
matter is found in the filter, replace it. For re-
placement  of  the   fuel  filter,  consult   your
Yamaha dealer.
1.
Start the engine and allow it to warm up
fully in neutral until it is running smooth-
ly.
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-
ble if  the  engine is  fully warmed  up. If  not
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
ZMU02708
42
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.
- 68 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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