2007 Yamaha Outboard F40 Boat Motor Owners Manual

Maintenance
adjust the gap to specification if necessary.
sources of ignition.
EWM00910
WARNING
Leaking  fuel can  result in  fire  or explo-
sion.
q
q
Check for fuel leakage regularly.
If  any  fuel  leakage is  found,  the  fuel
system must be repaired by a qualified
mechanic. 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:
0.8
0.9 mm (0.0310.035 in)
When fitting the plug, always  clean the gas-
ket 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:
18.0
Nm (13.3 ft-lb) (1.84 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 fin-
ger-tight. Have the spark plug adjusted to the
correct  torque as  soon  as  possible with  a
torque-wrench.
EMU28962
Checking fuel system
ZMU04082
EWM00060
WARNING
Checkpoints
q Fuel system parts leakage
q Fuel line joint leakage
q Fuel line cracks or other damage
Gasoline and  its vapors are  highly flam-
mable  and  explosive.  Keep  away  from
sparks,
cigarettes,
flames,
or
other
q
Fuel connector leakage
59
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags
Model Year2007
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 92 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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