2006 YAMAHA WR 250F coolant reservoir

1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Multi-function display
5Main switch
6Start switch
7Front brake lever
8Throttle grip
9Radiator cap
0Fuel tank cap
ATaillight
BKickstarter crank
CFuel tank
DHeadlight
ERadiator
FCoolant drain bolt
GRear brake pedal
HValve joint
IFuel cock
JCold starter knob
KAir cleaner
LDrive chain
MShift pedal
NOil dipstick
OFront fork
NOTE:The machine you have purchased may differ slightly
from those shown in the following.
Designs and specifications are subject to change with-
out notice.
A
BCD
E
F G
1234
5
6
7
8
9 0
HI
J
K
L M
N O
RENSEIGNEMENTS GENERAUX
DESCRIPTION
1Levier d’embrayage
2Levier de démarrage à chaud
3Coupe-circuit du moteur
4Ecran multifonction
5Contacteur à clé
6Contacteur du démarreur
7Levier de frein avant
8Poignée des gaz
9Bouchon du radiateur
0Bouchon de réservoir de carburant
AFeu arrière
BPédale de kick
CRéservoir de carburant
DPhare
ERadiateur
FBoulon de vidange du liquide de refroidissement
GPédale de frein arrière
HClapet de reniflard
IRobinet de carburant
JCommande de départ à froid
KFiltre à air
LChaîne de transmission
MSélecteur
NJauge d’huile
OFourche
N.B.:
Votre moto diffère peut-être partiellement de celle montrée
sur ces photos.
La conception et les caractéristiques peuvent être modifiées
sans préavis.
DESCRIPTION

MAINTENANCE SPECIFICATIONS
2 - 16
SPEC
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race. Plate 1 and front fork protector M5 × 0.8 2 4 0.4 2.9
Plate 2 and front fork protector—2 0.5 0.05 0.36
Speed sensor lead holder and lower headlight
stayM6 × 1.0 1 7 0.7 5.1
Lower headlight stay and lower bracket M8 × 1.25 2 15 1.5 11
Headlight body and headlight unit M6 × 1.0 2 7 0.7 5.1
Headlight (left and right) M6 × 1.0 2 7 0.7 5.1
Headlight (lower) M6 × 1.0 1 7 0.7 5.1
Taillight M6 × 1.0 3 4 0.4 2.9
Taillight lead clamp and rear fender—2 0.5 0.05 0.36
Coolant reservoir M6 × 1.0 2 7 0.7 5.1
Sidestand bracket and frame M10 × 1.25 2 66 6.6 48
Drive chain stopper and sidestand bracket M6 × 1.0 1 7 0.7 5.1
Sidestand M8 × 1.25 1 20 2.0 14 Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb

SPEC
2 - 97
CABLE ROUTING DIAGRAM
EC240000
CABLE ROUTING DIAGRAM
1Fuel tank breather hose
2Oil tank breather hose
3Clamp
4Diode
5Wire harness
6Hot starter cable
7Cylinder head breather hose
8Throttle position sensor lead
9Neutral switch lead
0Oil hoseAClutch cable
BStarter motor lead
CNegative battery lead
DCable guide
EBrake hose
FRectifier/regulator lead
GAC magneto lead
HRectifier/regulator
ICarburetor breather hoseJCarburetor overflow hose
KCoolant reservoir breather hose
ÈInsert the fuel tank breather hose into
the hole in the steering stem cap.
ÉPass the oil tank breather hose on the
outside of the AC magneto lead, neu-
tral switch lead, wire harness, starter
motor lead, negative battery lead and
cylinder head breather hose.
B
B
B-B
A
Ô3B
Ó3 Ö
C
× EF
9
GÙ
H
Ú
Û
1
È
3
Ê
4
Ë
5
6
7 Ì
ÍÎ
Ï
Ñ Ð
8
0 3
ÒÜ II
JK
9 A 2
É
0
9A
ØD ØD
Õ

SPEC
2 - 99
CABLE ROUTING DIAGRAM
ÊFasten the diode (at the white tape), rectifier/regulator lead,
CDI unit lead (at the protecting tube) and AC magneto coupler
(connected to the CDI unit).
ËFasten the wire harness, coolant reservoir hose, hot starter
cable, negative battery lead and starter motor lead.
ÌFasten the wire harness, negative battery lead, starter motor
lead and coolant reservoir hose at the white tape for the nega-
tive battery lead.
ÍFasten the wire harness at its white tape.
ÎFasten the wire harness, starter motor lead and negative bat-
tery lead.
ÏMake sure that the throttle position sensor coupler does not go
outside the chassis.ÐFasten the throttle position sensor lead.
ÑPass the carburetor breather hoses, carburetor overflow hose
and coolant reservoir breather hose between the connecting
rod and cross tube (frame).
ÒFasten the neutral switch lead and oil hose together with the
plastic locking ties and cut off the tie ends.
ÓFasten the neutral switch lead.
ÔFasten the neutral Aswitch lead and AC magneto lead.
ÕPass the starter motor lead in front of the radiator hose 4.
ÖFasten the wire harness, starter motor lead and negative bat-
tery lead so that the plastic locking tie ends do not contact the
ignition coil lead.
B
B
B-B
A
Ô3B
Ó3 Ö
C
× EF
9
GÙ
H
Ú
Û
1
È
3
Ê
4
Ë
5
6
7 Ì
ÍÎ
Ï
Ñ Ð
8
0 3
ÒÜ II
JK
9 A 2
É
0
9A
ØD ØD
Õ

SPEC
2 - 101
CABLE ROUTING DIAGRAM
×Pass the wire harness on the outside of the neutral switch lead
and AC magneto lead.
ØPass the clutch cable through the cable guides.
ÙPass the wire harness and clutch cable through the cable
guide.
ÚFasten the rectifier/regulator lead to the cable guide.
ÛFasten the AC magneto lead and neutral switch lead to the
cable guide at their protecting tube.
ÜPass the carburetor breather hoses, carburetor overflow hose
and coolant reservoir breather hose so that the hoses do not
contact the rear shock absorber.
B
B
B-B
A
Ô3B
Ó3 Ö
C
× EF
9
GÙ
H
Ú
Û
1
È
3
Ê
4
Ë
5
6
7 Ì
ÍÎ
Ï
Ñ Ð
8
0 3
ÒÜ II
JK
9 A 2
É
0
9A
ØD ØD
Õ

SPEC
2 - 103
CABLE ROUTING DIAGRAM
1Hot starter cable
2Throttle cable (return)
3Throttle cable (pull)
4Cable guide
5Ignition coil
6Coolant reservoir breather hose
7Coolant reservoir hose
8Clamp
9CDI unit lead
0CDI unit
ACDI unit band
BCDI unit stayÈPass the throttle cables and hot starter cable through the cable
guides.
ÉPass the throttle cables and hot starter cable between the radi-
ator and frame, then under the radiator mounting boss.
ÊPass the throttle cables on the outside of the ignition coil.
ËPass the carburetor breather hose (of the throttle cable cover)
through the hose holder.
ÌFasten the coolant reservoir breather hose and carburetor
breather hoses together.
A B
0
A
0
891
32
4
É
Ê
5
67
Ë ÌÎ
ÍÈ

SPEC
2 - 109
CABLE ROUTING DIAGRAM
1Starter motor lead
2Negative battery lead
3Wire harness
4Clamp
5Taillight lead
6Coolant reservoir breather hose
7Coolant reservoir hose
8Positive battery lead
9Starting circuit cut-off relay
0BatteryÈPosition the starter motor lead, negative battery lead and wire
harness in the tank damper slit.
ÉFasten the wire harness.
ÊFasten the coolant reservoir breather hose and coolant reser-
voir hose.
ËDo not allow the taillight lead to slacken.
ÌPass the coolant reservoir hose on the outside of the coolant
reservoir breather hose.
9
0 1
2 38
Ì 4Ê
764Ê4Ê
5Ë
4Ê
6
7
È32
1
4É
Zero ~ 10 mm
(Zero ~ 0.39 in)

3 - 23
INSP
ADJ
COOLANT REPLACEMENT
WARNING
Do not remove the radiator cap
when the engine is hot.
CAUTION:
Take care so that coolant does not
splash on painted surfaces. If it
splashes, wash it away with water.
1. Place a container under the
engine.
2. Remove:
Seat
Refer to “SEAT, FUEL TANK
AND SIDE COVERS” section
in the CHAPTER 4.
3. Disconnect:
Coolant reservoir hose
1
Drain the coolant completely.
4. Connect:
Coolant reservoir hose
LOWFULLCOOLANT1
5. Remove:
Engine guard
1
Coolant drain bolt
2
6. Remove:
Radiator cap
Drain the coolant completely.
7. Clean:
Cooling system
Thoroughly flush the cooling
system with clean tap water.
8. Install:
Copper washer
Coolant drain bolt
Engine guard
Bolt [engine guard (front)]
Bolt [engine guard (rear)]
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)
T R..34 Nm (3.4 m · kg, 24 ft · lb)
T R..23 Nm (2.3 m · kg, 17 ft · lb)
New
CHANGEMENT DU LIQUIDE DE
REFROIDISSEMENT
AVERTISSEMENT
Ne jamais enlever le bouchon de
radiateur quand le moteur est chaud.
ATTENTION:
Veiller à ne pas laisser échapper de
liquide de refroidissement sur les sur-
faces peintes. Si cela devait se pro-
duire, rincer à l’eau.
1. Placer un récipient sous le moteur.
2. Déposer:
Selle
Se reporter à la section “SELLE,
RESERVOIR DE CARBURANT
ET CACHES LATERAUX” au
CHAPITRE 4.
3. Déconnecter:
Durit du vase d’expansion 1
Vidanger entièrement le liquide
de refroidissement.
4. Connecter:
Durit du vase d’expansion
5. Déposer:
Protège-carter 1
Boulon de vidange du liquide de
refroidissement 2
6. Déposer:
Bouchon du radiateur
Vidanger entièrement le liquide
de refroidissement.
7. Nettoyer:
Circuit de refroidissement
Rincer soigneusement le circuit
de refroidissement à l’eau claire.
8. Monter:
Rondelle en cuivre
Boulon de vidange du liquide de
refroidissement
Protège-carter
Boulon [protège-carter (avant)]
Boulon [protège-carter (arrière)]
T R..10 Nm (1,0 m · kg, 7,2 ft · lb)
T R..34 Nm (3,4 m · kg, 24 ft · lb)
T R..23 Nm (2,3 m · kg, 17 ft · lb)
New
ENGINE
MOTEUR