2007 Yamaha Outboard F4 Boat Motor Owners Manual

Maintenance
attempt to diagnose  any problems yourself.
NOTE:
Instead,   take   the   outboard  motor   to   a     If a torque-wrench is not available when you
Yamaha dealer. You  should periodically re-     are fitting  a spark  plug, a good  estimate of
move  and inspect  the spark  plug  because    the correct torque is 1/4 to 1/2 a turn past fin-
heat and deposits  will cause the spark  plug    ger-tight. Have the spark plug adjusted to the
to slowly break down and erode. If electrode    correct  torque  as soon  as  possible  with a
erosion becomes excessive, or if carbon and
other deposits are excessive, you should re-
place the spark plug with another of the cor-
rect type.
torque-wrench.
EMU28962
Checking fuel system
EWM00060
WARNING
Standard spark plug:
BR6HS
Gasoline and  its vapors are  highly flam-
mable  and  explosive.  Keep  away  from
sparks,
sources of ignition.
cigarettes,
flames,
or
other
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 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.
3.
Spark plug gap
Spark plug I.D. mark (NGK)
Spark plug part number
Spark plug gap:
0.60.7 mm (0.0240.028 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:
25.0
Nm (18.4 ft-lb) (2.55 kgf-m)
42
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.
- 70 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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