2005 Yamaha Outboard F150D LF150D Boat Owners Manual

Maintenance
spark  plug because  heat  and  deposits  will    tight. Have the spark plug adjusted to the cor-
cause the  spark plug  to  slowly break  down    rect torque as soon as possible with a torque-
and erode. If electrode  erosion becomes ex-
cessive, or  if carbon and  other deposits  are
excessive, you should replace the spark plug
with another of the correct type.
wrench.
EMU28962
Checking fuel system
EWM00060
WARNING
Standard spark plug:
LFR5A-11
Gasoline and  its vapors  are highly  flam-
mable  and  explosive.   Keep  away  from
sparks, cigarettes, flames, or other sourc-
es of ignition.
Before  fitting  the  spark  plug,  measure the
electrode  gap with  a wire  thickness  gauge;
adjust the gap to specification if necessary.
EWM00910
WARNING
Leaking fuel can result in fire or explosion.
q
q
Check for fuel leakage regularly.
If any fuel leakage is found, the fuel sys-
tem must be repaired by a qualified me-
chanic. Improper  repairs can  make the
outboard unsafe to operate.
Check the fuel lines  for leaks, crack, or  mal-
function. If a problem is  found, your Yamaha
dealer or other qualified mechanic should re-
pair it immediately.
1
2
. Spark  plug gap
. Spark  plug I.D. mark (NGK)
Spark plug gap:
1.0
1.1 mm (0.0390.043 in)
When fitting the plug, always clean the gasket
surface and use a  new gasket. Wipe off any
dirt from the  threads and screw in  the spark
plug to the correct torque.
Spark plug torque:
25.0
Nm (18.4 ft-lb) (2.55 kgf-m)
NOTE:
If a torque-wrench is  not available when you
are fitting a spark plug, a good estimate of the
correct torque is 1/4 to 1/2 a turn past finger-
49
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.
- 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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