coolant YAMAHA WR 250F 2005 Manuale de Empleo (in Spanish)

4 - 135
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
OIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Extent of removal:
1 Oil filter element removal
2 Water pump removal
3 Right crankcase cover removal
Extent of removal Order Part name Q’ty Remarks
OIL FILTER ELEMENT, WATER PUMP
AND RIGHT CRANKCASE COVER
REMOVAL
Preparation for removal Drain the engine oil. Refer to “ENGINE OIL REPLACEMENT” section in
the CHAPTER 3.
Drain the coolant. Refer to “COOLANT REPLACEMENT” section in the
CHAPTER 3.
Radiator hose 3 Disconnect at water pump side.
Exhaust pipe Refer to “EXHAUST PIPE AND SILENCER” section.
Brake pedal Refer to “ENGINE REMOVAL” section.
Right engine guard
1 Oil filter element cover 1
2 Oil filter element 1
13

4 - 143
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
REMOVAL POINTS
Impeller shaft
1. Remove:
Impeller
1
Washer
2
Impeller shaft
3
NOTE:Hold the impeller shaft on its width
across the flats
a with spanners,
etc. and remove the impeller.
EC4G3210Oil seal
NOTE:It is not necessary to disassemble
the water pump, unless there is an
abnormality such as excessive
change in coolant level, discoloration
of coolant, or milky transmission oil.
1. Remove:
Bearing
1
2. Remove:
Oil seal
1
INSPECTION
Oil delivery pipe
1. Inspect:
Oil delivery pipe
1
Bend/damage
→ Replace.
Clogged
→ Blow.
EC444200Impeller shaft
1. Inspect:
Impeller shaft
1
Bend/wear/damage
→
Replace.
Fur deposits
→ Clean.
POINTS DE DEPOSE
Arbre d’entraînement
1. Déposer:
Rotor 1
Rondelle 2
Arbre d’entraînement 3
N.B.:
Maintenir l’arbre d’entraînement en le
saisissant par les côtés plats a à l’aide
d’une clé, etc., et déposer le rotor.
Bague d’étanchéité
N.B.:
Il n’est pas nécessaire de démonter la
pompe à eau sauf en cas d’anomalies tel-
les qu’une modification importante du
niveau de liquide de refroidissement, une
décoloration du liquide de refroidisse-
ment ou un aspect laiteux de l’huile de
boîte de vitesses.
1. Déposer:
Roulement 1
2. Déposer:
Bague d’étanchéité 1
CONTROLE
Tuyau d’huile
1. Contrôler:
Tuyau d’huile 1
Déformation/endommagement →
Remplacer.
Obstrué → Souffler.
Arbre d’entraînement
1. Contrôler:
Arbre d’entraînement 1
Déformation/usure/endommage-
ment → Remplacer.
Dépôts de tartre → Nettoyer.
ELEMENT DE FILTRE A HUILE, POMPE A EAU ET DEMI-CARTER DROIT

5 - 139
CHASREAR SHOCK ABSORBER
EC580000
REAR SHOCK ABSORBER
Extent of removal:
1 Rear shock absorber removal
2 Rear shock absorber disassembly
Extent of removal Order Part name Q’ty Remarks
REAR SHOCK ABSORBER REMOVAL
WARNING
Support the machine securely so there is nodanger of it falling over. Preparation for removal Hold the machine by placing the suitable
stand under the engine.
Seat, fitting band and side covers Refer to “SEAT, FUEL TANK AND SIDE COVERS”
section in the CHAPTER 4.
Air filter case cover Refer to “AIR FILTER CLEANING” section in the
CHAPTER 3.
Silencer Refer to “EXHAUST PIPE AND SILENCER” section
in the CHAPTER 4.
Drain the coolant. Refer to “COOLANT REPLACEMENT” section in the
CHAPTER 3.
Coolant reservoir breather hose Disconnect at the coolant reservoir side.
Coolant reservoir hose Disconnect at the coolant reservoir side.
Battery Refer to “BATTERY INSPECTION AND
CHARGING” section in the CHAPTER 3.
Disconnect the starter relay coupler.
Starter motor lead Disconnect at the starter relay side.