2006 YAMAHA WR 250F light

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Page 270 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 63
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ADJ
SPARK ARRESTER CLEANING 
(For USA)
WARNING
Be sure the exhaust pipe and
silencer are cool before cleaning
the spark arrester.
Do not start the engine when
cleaning the exhaust system

Page 308 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 101
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ADJ
2. Inspect:
Bearing free play
Exist play 
→ Replace.
EC36U013STEERING HEAD INSPECTION 
AND ADJUSTMENT
1. Elevate the front wheel by plac-
ing a suitable stand under the
engine.
2.

Page 310 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 103
INSP
ADJ
Loosen the steering ring nut
one turn.
Retighten the steering ring nut
using the steering nut wrench.
WARNING
Avoid over-tightening.
T R..
Steering ring nut 
(final tightening):
7 N

Page 312 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 105
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ADJ
LUBRIFICATION
Pour assurer le bon fonctionnement de
tous les organes, lubrifier la moto avant
la première utilisation, après le rodage,
ainsi qu’après chaque course.
1
Tous les c

Page 314 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 107
INSP
ADJ
EC370000
ELECTRICAL
EC371001SPARK PLUG INSPECTION
1. Remove:
Spark plug
2. Inspect:
Electrode 
1 
Wear/damage 
→ Replace.
Insulator color 
2 
Normal condition is a medium
to ligh

Page 316 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 109
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ADJ
2. Attach:
Timing light 
Inductive tachometer 
To the ignition coil lead
(orange lead 
1).
Timing light:
YM-33277-A/
90890-03141
1
3. Adjust:
Engine idling speed
Refer to “ENGINE

Page 318 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 111
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ADJ
BATTERY INSPECTION AND 
CHARGING
WARNING
Batteries generate explosive
hydrogen gas and contain electro-
lyte which is made of poisonous
and highly caustic sulfuric acid. 
Therefore, a

Page 338 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 131
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ADJ
REPLACING THE HEADLIGHT 
BULBS
1. Remove:
Headlight
Refer to “SEAT, FUEL TANK
AND SIDE COVERS” section
in the CHAPTER 4.
2. Remove:
Headlight bulb holder cover 
1 
3. Detach:
H