2004 YAMAHA WR 250F ECU

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Page 413 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 4 - 88
ENG
PRÜFUNG
Ventil
1. Messen:
Ventilschaftspiel
Unvorschriftsmäßig 
→ Ventil-
führung erneuern. Ventilschaftspiel = 
Ventilführungsdurchmesser 
a – Ventilschaftdurchmesser 
b 
Ventils

Page 424 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 4 - 99
ENGVALVES AND VALVE SPRINGS
4. To secure the valve cotters onto
the valve stem, lightly tap the
valve tip with a piece of wood.
CAUTION:
Hitting the valve tip with excessive
force could damage

Page 509 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 4 - 184
ENG
2. Montieren:
Torsionfeder 
1 
(an der Kickstarterwelle 
2)
HINWEIS:
Darauf achten, daß das Ende 
a der
Torsionsfeder in die Bohrung 
b der
Kickstarterwelle eingreift.
3. Montieren:
Fed

Page 532 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 4 - 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

Page 535 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 4 - 210
ENG
EXTRACCIÓN DEL MOTOR
Alcance de la extracción Orden Denominación de la pieza Cantidad Observaciones
EXTRACCIÓN DEL MOTOR
Preparación para la extracción Sujete el vehículo colocando

Page 582 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 5 - 1
CHASFRONT WHEEL AND REAR WHEEL
EC500000
CHASSIS
EC590000
FRONT WHEEL AND REAR WHEEL
EC598000FRONT WHEEL
Extent of removal:
1 Front wheel removal
2 Wheel bearing removal
3 Brake disc removal
Exte

Page 586 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 5 - 5
CHASFRONT WHEEL AND REAR WHEEL
EC598100REAR WHEEL
Extent of removal:
1 Rear wheel removal
2 Wheel bearing removal
3 Brake disc removal
Extent of removal Order Part name Q’ty Remarks
REAR WHEEL

Page 604 of 864

YAMAHA WR 250F 2004  Manuale de Empleo (in Spanish) 5 - 23
CHASFRONT BRAKE AND REAR BRAKE
EC5A0000
FRONT BRAKE AND REAR BRAKE
EC5A8000FRONT BRAKE
Extent of removal:
1 Brake hose removal
2 Brake caliper removal
3 Brake master cylinder removal
Extent of