light YAMAHA WR 250F 2003 Notices Demploi (in French)

YAMAHA WR 250F 2003 Notices Demploi (in French) WR 250F 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52337/w960_52337-0.png YAMAHA WR 250F 2003 Notices Demploi (in French)

Page 238 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 47
INSP
ADJ
OIL PRESSURE INSPECTION
1. Check:
Oil pressure
Checking steps:
Slightly loosen the oil pressure
check bolt 
1.
Start the engine and keep it
idling until oil starts to seep from
the

Page 254 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 63
INSP
ADJ
SPARK ARRESTER CLEANING 
(For USA)
WARNING
Be sure the exhaust pipe and
muffler are cool before cleaning
the spark arrester.
Do not start the engine when
cleaning the exhaust system.

Page 292 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 101
INSP
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 294 of 860

YAMAHA WR 250F 2003  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 296 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 105
INSP
ADJ
GRAISSAGE
Pour assurer le bon fonctionnement de
tous les organes, graisser la machine lors
du montage, après le rodage et après cha-
que course.
1
Tous les câbles de commande
2
Piv

Page 298 of 860

YAMAHA WR 250F 2003  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 300 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 109
INSP
ADJ
2. Attach:
Timing light 
Inductive tachometer 
To the ignition coil lead
(orange lead 
1).
Timing light:
YM-33277-A/
90890-03141
Inductive tachometer:
YU-8036-B
Engine tachometer:
9

Page 302 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 111
INSP
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 322 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 131
INSP
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

Page 324 of 860

YAMAHA WR 250F 2003  Notices Demploi (in French) 3 - 133
INSP
ADJELECTRICAL
ADJUSTING THE HEADLIGHT 
BEAMS
1. Adjust:
Headlight beam (vertically)
Adjusting steps:
Turn the adjusting screw 
1 in
direction 
a or 
b.
Direction 
a Headlight beam is 
r