2004 YAMAHA WR 250F key

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Page 12 of 864

YAMAHA WR 250F 2004  Notices Demploi (in French) EC080000
HOW TO USE THIS 
MANUAL
EC081000
PARTICULARLY 
IMPORTANT 
INFORMATION
The Safety Alert Symbol means
ATTENTION! BECOME ALERT!
YOUR SAFETY IS INVOLVED!
Failure to follow WARNING instruc-
tions

Page 226 of 864

YAMAHA WR 250F 2004  Notices Demploi (in French) 3 - 35
INSP
ADJ
AIR FILTER CLEANING
NOTE:Proper air filter maintenance is the
biggest key to preventing premature
engine wear and damage.
CAUTION:
Never run the engine without the
air filter element i

Page 514 of 864

YAMAHA WR 250F 2004  Notices Demploi (in French) 4 - 189
ENGAC MAGNETO AND STARTER CLUTCH
NOTE:Tighten the rotor nut to 65 Nm (6.5 m · kg, 47 ft · lb), loosen and retighten the rotor nut to 65 Nm (6.5 m · kg, 47 ft · lb).
Extent of removal Order

Page 520 of 864

YAMAHA WR 250F 2004  Notices Demploi (in French) 4 - 195
ENGAC MAGNETO AND STARTER CLUTCH
EC4L4000INSPECTION
AC magneto
1. Inspect:
Rotor inner surface 
a 
Stator outer surface 
b 
Damage 
→ Inspect the crank-
shaft runout and crankshaft
bearing

Page 526 of 864

YAMAHA WR 250F 2004  Notices Demploi (in French) 4 - 201
ENGAC MAGNETO AND STARTER CLUTCH
6. Install:
Starter clutch 
1 
To rotor 
2.
NOTE:Install the starter clutch with its
plate side upward.
While installing the starter clutch,
push in the pro