2006 YAMAHA WR 250F lock

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Page 498 of 900

YAMAHA WR 250F 2006  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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  Manuale de Empleo (in Spanish) 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