2004 Yamaha Outboard F150C LF150C 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.
1.
2.
3.
4.
Filter cup
Filter cup ring nut
Filter housing
O-ring
5
. Filter  element
6.
Float
ECM00490
4.
Install the filter element and filter cup into
the filter housing.
Tighten the  ring  nut so  that one  of the
larger ring nut tabs is aligned with the lock
tab.
CAUTION:
This procedure  must be performed  while
the outboard motor is in the water. A flush-
ing attachment or test tank can be used.
5.
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.
1.
Start the engine and  allow it to warm up
fully in neutral until it is running smoothly.
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.
6.
Run the engine  and check the filter  and
lines for leaks.
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 veri-
fying the idle speed, or the idle speed requires
adjustment, consult a Yamaha dealer or other
qualified mechanic.
NOTE:
If any water  is in the fuel, the  red ring in the
fuel filter unit will  float. If so, remove  the cup
and drain the water.
51
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags,
Model Year2004
Download File
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- 80 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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