2006 YAMAHA WR 250F lock

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Page 498 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 157
ENGBALANCER
BALANCER
Extent of removal:
1 Balancer shaft drive gear
2 Balancer shaft
Extent of removal Order Part name Q’ty Remarks
BALANCER REMOVAL
Preparation for removal Primary driven ge

Page 502 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 161
ENGBALANCER
REMOVAL POINTS
Balancer shaft drive gear and 
balancer shaft driven gear
1. Straighten the lock washer tab.
2. Loosen:
Nut (primary drive gear) 
1 
Nut 
(balancer shaft driven ge

Page 503 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 162
ENG
DEMONTAGE-EINZELHEITEN
Ausgleichswellen-Antriebsritzel 
und -rad
1. Die Lasche der Sicherungs-
scheibe umbiegen.
2. Lockern:
Mutter 
(Primärantriebsritzel) 
1 
Mutter
(Ausgleichswellen-

Page 504 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 163
ENGBALANCER
ASSEMBLY AND INSTALLATION
Balancer shaft, balancer shaft 
drive gear and balancer shaft 
driven gear
1. Install:
Balancer shaft 
1 
NOTE:Apply the engine oil on the bear-
ing.
W

Page 524 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 183
ENGKICK SHAFT AND SHIFT SHAFT
REMOVAL POINTS
Kick shaft assembly
1. Remove:
Kick shaft assembly 
1 
NOTE:Unhook the torsion spring 
2 from
the hole 
a in the crankcase.
EC4C3101Shift guide an

Page 525 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 184
ENG
DEMONTAGE-EINZELHEITEN
Kickhebelwelle
1. Demontieren:
Kickhebelwelle 
1 
HINWEIS:
Die Torsionsfeder 
2 aus der Boh-
rung 
a im Kurbelgehäuse lösen.
Schaltführung und Schaltklinke
1. De

Page 532 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 191
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 539 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 198
ENG
N.B.:Serrer l’écrou du rotor à 65 Nm (6,5 m  kg, 47 ft  lb), desserrer puis resserrer l’écrou du rotor à 65 Nm (6,5 m  kg, 47 ft  lb).
Organisation de la dépose Ordre Nom de l