2007 YAMAHA WR 250F service

INSP
ADJ
3 - 52
MOTORÖLSTAND
KONTROLLIEREN
1. Den Motor anlassen, einige
Minuten lang betreiben und
dann abstellen, anschließend
fünf Minuten lang warten.
2. Das Motorrad auf einem ebenen
Untergrund abstellen, am Motor
aufbocken und in gerader Stel-
lung halten.
3. Kontrollieren:
Ölstand
Das Öl sollte bis zur Vollmar-
kierung im Schauglas
1 rei-
chen.
Ölstand im Schauglas ist nicht
voll.
→ 0,2 L (0,18 Imp qt,
0,21 US qt) Öl hinzufügen.
(USA und CDN)
ACHTUNG:
Keine Additive beimischen! Da
das Motoröl auch zur Schmie-
rung der Kupplung dient, kön-
nen Zusätze zu Kupplungsrut-
schen führen.
Darauf achten, dass keine
Fremdkörper in das Kurbelge-
häuse gelangen.
Empfohlene Ölsorte:
Yamalube 4,
SAE10W30 oder
SAE20W40
Yamalube 4-R,
SAE10W50
API Service, Sorte SG
oder höher/JASO MA
CONTROLLO DEL LIVELLO
OLIO MOTORE
1. Avviare il motore, farlo riscaldare
per alcuni minuti, quindi spegnerlo
e attendere cinque minuti.
2. Collocare il mezzo su una superficie
piana in posizione verticale
ponendo un cavalletto adatto sotto il
motore.
3. Controllare:
Livello olio
L’olio deve risultare al massimo
livello dalla finestra di controllo
1.
La finestra di controllo livello
non è piena. → Aggiungere 0,2 L
(0,18 Imp qt, 0,21 US qt) di olio.
(USA e CDN)
ATTENZIONE:
Non aggiungere alcun additivo chi-
mico. L’olio per motori è adatto
anche alla lubrificazione della fri-
zione. Gli additivi possono causare
una diminuzione dello scorrimento
della frizione.
Non fare entrare materiale estraneo
nel carter.
Olio raccomandato:
Yamalube 4, SAE10W30
o SAE 20W40
Yamalube 4-R,
SAE10W50
API service tipo SG o
superiore/JASO MA
COMPROBACIÓN DEL NIVEL DE
ACEITE DEL MOTOR
1. Arranque el motor, caliéntelo
durante algunos minutos y luego
párelo y espere cinco minutos.
2. Sitúe la máquina en una superfi-
cie horizontal y manténgala en
posición vertical colocando un
soporte adecuado debajo del
motor.
3. Comprobar:
Nivel de aceite
El aceite debería estar al
máximo nivel en la ventana de
comprobación
1.
La ventana de comprobación
del nivel no está llena.
→
Añada 0,2 L (0,18 Imp qt,
0,21 US qt) de aceite.
(USA y CDN)
ATENCION:
No añada aditivos químicos. El
aceite del motor lubrica tam-
bién el embrague y el uso de
aditivos puede provocar que el
embrague patine.
Evite que penetren materias
extrañas en el cárter.
Aceite recomendado:
Yamalube 4,
SAE10W30 o
SAE 20W40
Yamalube 4-R,
SAE10W50
Servicio API tipo SG o
superior/JASO MA
MOTOR
MOTORE
MOTOR

3 - 53
INSP
ADJ
(Except for USA and CDN)
CAUTION:
Do not add any chemical addi-
tives or use oils with a grade of
CD a or higher.
Do not use oils labeled
“ENERGY CONSERVING II” b
or higher. Engine oil also lubri-
cates the clutch and additives
could cause clutch slippage.
Do not allow foreign materials to
enter the crankcase.
4. Install:
Oil tank cap
5. Start the engine and let it warm
up for several minutes.
6. Turn off the engine and inspect
the oil level once again.
NOTE:Wait a few minutes until the oil set-
tles before inspecting the oil level.
Recommended oil:
SAE10W30,
SAE10W40,
SAE15W40,
SAE20W40 or
SAE20W50
API service SG type or
higher, JASO standard
MA
-20 -10 0 10 20 30 40 50
˚C
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40
SAE 20W-50
a
b
ENGINE OIL REPLACEMENT
1. Start the engine and warm it up
for several minutes, and then
turn off the engine and wait for
five minute.
2. Place the machine on a level
place and hold it on upright posi-
tion by placing the suitable stand
under the engine.
3. Place a suitable container under
the engine.(sauf USA et CDN)
ATTENTION:
Ne pas ajouter d’additifs chimiques
ni utiliser d’huiles de qualité CD a
ou supérieure.
Ne pas utiliser d’huiles portant l’in-
dication “ENERGY CONSERVING
II” b ou supérieure. L’huile mo-
teur lubrifie également l’embraya-
ge et les additifs pourraient
provoquer un patinage de l’em-
brayage.
Veiller à empêcher toute pénétra-
tion de corps étrangers dans le car-
ter moteur.
4. Monter:
Bouchon du réservoir d’huile
5. Mettre le moteur en marche et le
laisser chauffer pendant quelques
minutes.
6. Couper le moteur et vérifier à nou-
veau le niveau d’huile.
N.B.:
Attendre quelques minutes que l’huile se
stabilise avant d’en contrôler le niveau.
Huile recommandée:
SAE10W30, SAE10W40,
SAE15W40, SAE20W40
ou SAE20W50
API Service de type SG
et au-delà/JASO MA
CHANGEMENT DE L’HUILE
MOTEUR
1. Mettre le moteur en marche, le faire
chauffer pendant quelques minutes
puis le couper et attendre cinq
minutes.
2. Placer la moto sur un sol plan et la
maintenir à la verticale en plaçant
un support adéquat sous le moteur.
3. Déposer un récipient adéquat sous
le moteur.
ENGINE
MOTEUR

INSP
ADJ
3 - 54
(Nicht USA und CDN)
ACHTUNG:
Keine Additive beimischen oder
Öle mit einer Dieselspezifika-
tion “…/CD” a oder höherwertig
verwenden.
Keine Öle der Klasse “ENERGY
CONSERVING II” b oder höher-
wertig verwenden. Da das
Motoröl auch zur Schmierung
der Kupplung dient, können
Zusätze zu Kupplungsrutschen
führen.
Darauf achten, dass keine
Fremdkörper in das Kurbelge-
häuse gelangen.
4. Montieren:
Öltankverschluss
5. Den Motor anlassen und einige
Minuten lang betreiben.
6. Den Motor abstellen und den
Ölstand erneut kontrollieren.
HINWEIS:
Vor der Ölstandkontrolle einige Minu-
ten warten, damit sich das Öl setzen
kann.
Empfohlene Ölsorte:
SAE10W30,
SAE10W40,
SAE15W40,
SAE20W40 oder
SAE20W50
API Service, Sorte SG
oder höher/JASO MA
MOTORÖL WECHSELN
1. Den Motor anlassen, einige
Minuten lang betreiben und
dann abstellen; anschließend
fünf Minuten lang warten.
2. Das Motorrad auf einem ebenen
Untergrund abstellen, am Motor
aufbocken und in gerader Stel-
lung halten.
3. Ein Auffanggefäß unter den
Motor stellen.(Eccetto USA e CDN)
ATTENZIONE:
Non aggiungere additivi chimici o
utilizzare tipi di olio con un CD a o
superiore.
Non utilizzare tipi di olio con l’eti-
chetta “ENERGY CONSERVING
II” b o superiore. L’olio per motori
è adatto anche alla lubrificazione
della frizione. Gli additivi possono
causare una diminuzione dello scor-
rimento della frizione.
Non fare entrare materiale estraneo
nel carter.
4. Installare:
Tappo serbatoio olio
5. Avviare il motore e farlo riscaldare
per alcuni minuti.
6. Spegnere il motore e controllare
nuovamente il livello dell’olio.
NOTA:
Attendere pochi minuti finché l’olio non
si deposita prima di controllarne il
livello.
Olio raccomandato:
SAE10W30, SAE10W40,
SAE15W40, SAE20W40
o SAE20W50
API service tipo SG o
superiore/JASO MA
SOSTITUZIONE DELL’OLIO
MOTORE
1. Avviare il motore, farlo riscaldare
per alcuni minuti, quindi spegnerlo
e attendere cinque minuti.
2. Collocare il mezzo su una superficie
piana in posizione verticale
ponendo un cavalletto adatto sotto il
motore.
3. Collocare un recipiente adatto sotto
il motore. (excepto USA y CDN)
ATENCION:
No añada ningún aditivo quí-
mico ni utilice aceites con un
grado CD a o superior.
No utilice aceites con la etiqueta
“ENERGY CONSERVING II” b o
superior. El aceite del motor
lubrica también el embrague y el
uso de aditivos puede provocar
que el embrague patine.
Evite que penetren materias
extrañas en el cárter.
4. Instalar:
Tapón del depósito de aceite
5. Arranque el motor y déjelo
calentar unos minutos.
6. Pare el motor y vuelva a com-
probar el nivel de aceite.
NOTA:
Espere unos minutos hasta que el
aceite se asiente antes de compro-
bar el nivel.
Aceite recomendado:
SAE10W30,
SAE10W40,
SAE15W40,
SAE20W40 o
SAE20W50
Servicio API tipo SG o
superior/JASO MA
CAMBIO DE ACEITE DEL MOTOR
1. Arranque el motor, caliéntelo
durante algunos minutos y luego
párelo y espere cinco minutos.
2. Sitúe la máquina en una superfi-
cie horizontal y manténgala en
posición vertical colocando un
soporte adecuado debajo del
motor.
3. Coloque un recipiente apropiado
debajo del motor.
MOTOR
MOTORE
MOTOR

3 - 61
INSP
ADJ
VALVE CLEARANCE INSPECTION
AND ADJUSTMENT
NOTE:This section is intended for those
who have basic knowledge and skill
concerning the servicing of Yamaha
motorcycles (e.g., Yamaha dealers,
service engineers, etc.) Those who
have little knowledge and skill con-
cerning servicing are requested not
to undertake inspection, adjustment,
disassembly, or reassembly only by
reference to this manual. It may lead
to servicing trouble and mechanical
damage.
NOTE:The valve clearance should be
adjusted when the engine is cool to
the touch.
The piston must be at Top Dead
Center (T.D.C.) on compression
stroke to check or adjust the valve
clearance.
1. Remove:
Seat
Fuel tank
Refer to “SEAT, FUEL TANK
AND SIDE COVERS” section.
2. Drain:
Coolant
Refer to “COOLANT
REPLACEMENT” section.
3. Remove:
Right radiator
Refer to “RADIATOR” section
in the CHAPTER 5.
Carburetor
Refer to “CARBURETOR”
section in the CHAPTER 5.
Spark plug
Upper engine bracket
Cylinder head cover
Refer to “CAMSHAFTS” sec-
tion in the CHAPTER 5.
4. Remove:
Timing mark accessing screw
1
Crankshaft end accessing
screw
2
O-ring
INSPECTION ET REGLAGE DU
JEU AUX SOUPAPES
N.B.:
Cette section est destinée aux personnes
possédant des connaissances et des com-
pétences de base pour l’entretien des
motos Yamaha (par ex.: concessionnai-
res Yamaha, techniciens d’entretien,
etc.). Les personnes non qualifiées ne
doivent entreprendre les opérations
d’inspection, de réglage, de démontage
ou de remontage que s’ils se réfèrent à ce
manuel. Sinon, ils pourraient engendrer
des problèmes d’entretien et des domma-
ges mécaniques.
N.B.:
Le jeu aux soupapes doit être réglé
quand le moteur est froid au toucher.
Le piston doit être au point mort haut
(PMH) de la course de compression
pour permettre le contrôle ou le
réglage du jeux aux soupapes.
1. Déposer:
Selle
Réservoir de carburant
Se reporter à la section “SELLE,
RESERVOIR DE CARBURANT
ET CACHES LATERAUX”.
2. Vidanger:
Liquide de refroidissement
Se reporter à la section “CHAN-
GEMENT DU LIQUIDE DE
REFROIDISSEMENT”.
3. Déposer:
Radiateur droit
Se reporter à la section “RADIA-
TEUR” au CHAPITRE 5.
Carburateur
Se reporter à la section “CARBU-
RATEUR” au CHAPITRE 5.
Bougie
Support de moteur supérieur
Couvre-culasse
Se reporter à la section
“ARBRES A CAMES” au CHA-
PITRE 5.
4. Déposer:
Vis d’accès de repère d’allumage
1
Vis d’accès axiale du vilebrequin
2
Joint torique
ENGINE
MOTEUR

5 - 1
ENGRADIATOR
ENGINE
EC450001
RADIATOR
NOTE:This section is intended for those who have basic knowledge and skill concerning the
servicing of Yamaha motorcycles (e.g., Yamaha dealers, service engineers, etc.)
Those who have little knowledge and skill concerning servicing are requested not to
undertake inspection, adjustment, disassembly, or reassembly only by reference to
this manual. It may lead to servicing trouble and mechanical damage.
Extent of removal:
1 Radiator removal
Extent of removal Order Part name Q’ty Remarks
RADIATOR REMOVAL
Preparation for removal Drain the coolant. Refer to “COOLANT REPLACEMENT” section in the
CHAPTER 3.
Seat, fuel tank and left side cover Refer to “SEAT, FUEL TANK AND SIDE COVERS”
section in the CHAPTER 3.
1 Radiator guard 2
2 Radiator hose clamp 10 Only loosening.
3 Radiator hose 1 1
4 Left radiator 1
5 Radiator hose 3 1
6 Radiator pipe 2 1
7 Radiator hose 5 1
8 Catch tank hose 1
9 Right radiator 1
10 Radiator hose 2 1
11 Radiator hose 4 1
12 Radiator pipe 1 1
13 Catch tank breather hose 1
14 Catch tank 1
1

6 - 1
CHASFRONT WHEEL AND REAR WHEEL
EC500000
CHASSIS
EC590000
FRONT WHEEL
AND REAR WHEEL
EC598000FRONT WHEEL
NOTE:This section is intended for those who have basic knowledge and skill concerning the
servicing of Yamaha motorcycles (e.g., Yamaha dealers, service engineers, etc.)
Those who have little knowledge and skill concerning servicing are requested not to
undertake inspection, adjustment, disassembly, or reassembly only by reference to
this manual. It may lead to servicing trouble and mechanical damage.
Extent of removal:
1 Front wheel removal
2 Wheel bearing removal
3 Brake disc removal
Extent of removal Order Part name Q’ty Remarks
FRONT WHEEL 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.
1 Bolt (axle holder) 4 Only loosening.
2 Nut (front wheel axle) 1
3 Front wheel axle 1
4 Front wheel 1
5 Speed sensor 1
6 Collar 1
7 Oil seal 1
8 Bearing 2 Refer to “REMOVAL POINTS”.
9 Brake disc 1
1
2
3
3

7 - 1
–+ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
NOTE:This section is intended for those who have basic knowledge and skill concerning the servicing of Yamaha motorcycles
(e.g., Yamaha dealers, service engineers, etc.) Those who have little knowledge and skill concerning servicing are
requested not to undertake inspection, adjustment, disassembly, or reassembly only by reference to this manual. It may
lead to servicing trouble and mechanical damage.
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000ELECTRICAL COMPONENTS
1Headlight
2Multi-function display
3Engine stop switch
4Clutch switch
5Diode
6Starter relay diode7Throttle position sensor
8Starter relay
9Fuse
0Starting circuit cut-off relay
ACDI unit
BTaillightCNeutral switch
DStarter motor
EAC magneto
FRectifier/regulator
GIgnition coil
HSpark plugIStart switch
JMain switch
KSpeed sensor
LBattery

5UM-28199-54
WR250F(W)
OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
FAHRER- UND
WARTUNGSHANDBUCH
MANUALE DI SERVIZIO DEL
PROPRIETARIO
MANUAL DE SERVICIO
DEL PROPIETARIO
PRINTED IN JAPAN
2006.08-1.9×1 CR
(E,F,G,H,S)
WR250F(W)
PRINTED ON RECYCLED PAPER
YAMAHA MOTOR CO., LTD.
2500 SHINGAI IWATA SHIZUOKA JAPAN