2007 YAMAHA WR 250F engine

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Page 572 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 165
ENGOIL TANK
5. Install:
Oil pump drive gear 
1 
Washer 
2 
Circlip 
3 
NOTE:Apply the engine oil on the oil pump
drive gear inner circumference.
New
5. Monter:
Pignon menant de pompe à hu

Page 586 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 179
ENGKICK SHAFT AND SHIFT SHAFT
EC4B5111Stopper lever
1. Install:
Torsion spring 
1 
Stopper lever 
2 
Bolt (stopper lever) 
3 
NOTE:Align the stopper lever roller with the
slot on segment.
S

Page 588 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 181
ENGKICK SHAFT AND SHIFT SHAFT
Shift shaft
1. Install:
Roller 
1 
Collar 
2 
Torsion spring 
3 
Shift shaft 
4 
NOTE:Apply the engine oil on the roller and
shift shaft.
2. Install:
Shift p

Page 590 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 183
ENG
4. Install:
Kick shaft assembly 
1 
Washer 
2 
NOTE:Apply the molybdenum disulfide
grease on the contacting surfaces
of the kick shaft stopper 
a and
kick shaft ratchet wheel guide 
3.

Page 592 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 185
ENGAC MAGNETO AND STARTER CLUTCH
AC MAGNETO AND STARTER CLUTCH
Extent of removal:
1 Starter clutch/wheel gear removal
2 Rotor removal
3 Pickup coil/stator removal
Extent of removal Order Part

Page 606 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 199
ENGAC MAGNETO AND STARTER CLUTCH
2. Install:
Holder 
1 
Bolt 
2 
CAUTION:
Pass the pickup coil lead and
charging coil lead under the
holder while taking care not to
allow these leads to get

Page 610 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 203
ENGAC MAGNETO AND STARTER CLUTCH
9. Install:
Washer (rotor)
Nut (rotor) 
1 
Use the sheave holder 
2.
NOTE:Tighten the rotor nut to 65 Nm
(6.5 mkg, 47 ftlb), loosen and
retighten the rotor

Page 614 of 912

YAMAHA WR 250F 2007  Notices Demploi (in French) 5 - 207
ENGENGINE REMOVAL
EC4M0000
ENGINE REMOVAL
Extent of removal Order Part name Q’ty Remarks
ENGINE REMOVAL
Preparation for removal Hold the machine by placing the suitable 
stand under the fram