coolant reservoir YAMAHA WR 250F 2004 Manuale de Empleo (in Spanish)

1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Trip meter
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
HIJK
L M
N O
1234
5
6
7
8
9 0
RENSEIGNEMENTS GENERAUX
DESCRIPTION
1Levier d’embrayage
2Levier de démarreur à chaud
3Coupe-circuit du moteur
4Compteur de vitesse
5Commutateur principal
6Commutateur de démarrage
7Levier de frein avant
8Poignée des gaz
9Bouchon de radiateur
0Bouchon de réservoir de carburant
ALampe arrière
BPedale de kick
CRéservoir de carburant
DPhare
ERadiateur
FBoulon de vidange du liquide de refroidissement
GPédale de frein arrière
HClapet de durit de mise a liair
IRobinet de carburant
JBouton de démarrage à froid
KFiltre à air
LChaîne de transmission
MPédale de sélecteur
NJauge de niveau d’huile
OFourche avant
N.B.:
Votre machine diffère peut-être partiellement de celle mon-
trée sur ces photos.
La conception et les caractéristiques peuvent êtres changées
sans préavis.
DESCRIPTION

MAINTENANCE SPECIFICATIONS
2 - 16
SPEC
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race. Headlight stay (lower) and lower bracket M8 × 1.25 2 7 0.7 5.1
Headlight body and headlight unit M6 × 1.0 2 7 0.7 5.1
Headlight (left and right) M6 × 1.0 2 10 1.0 7.2
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 M4 × 1.59 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 25 2.5 18 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
7Throttle position sensor lead
8Neutral switch lead
9Oil hose
0Hose guideAAC magneto lead
BCylinder head breather hose
CStarter motor lead
DClutch cable
ERadiator hose 1
FCable guide
GRadiator pipe (radiator hose 4)
HNegative battery lead
IBrake hose
JCarburetor breather hoseKCarburetor overflow hose
LCoolant 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.
A
A
B-B
B
B
Þ 3
4
3
5
63
3
3
3
7 J
JKL
8
9 3
0 A 3 0 3B CD E FG H F
9
8 I0F30
1
2 È
É
Ê
Ì
Î Í
3
Ë
Ï
Ð
Ñ
Ò
Ó
Ô Õ Ö× Ø Ù
Ú Û
Ô Ù ÜÝ

SPEC
2 - 99
CABLE ROUTING DIAGRAM
ÊFasten the diode, rectifier/regulator lead and AC magneto cou-
pler (connected to the CDI unit), with the diode at its white tape
and the rectifier/regulator lead at its protecting tube.
ËFasten 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.
ÌFasten the wire harness, rectifier/regulator lead, coolant reser-
voir hose, hot starter cable, negative battery lead and starter
motor lead.
ÍFasten the wire harness, negative battery lead, starter motor
lead, rectifier/regulator lead and coolant reservoir hose at the
white tape for the negative battery lead.
ÎFasten the wire harness at its white tape.ÏFasten the wire harness, throttle position sensor lead (in the
wire harness), starter motor lead and negative battery lead.
ÐMake sure that the throttle position sensor coupler does not go
outside the chassis.
ÑFasten the throttle position sensor lead.
ÒPass the carburetor breather hoses, carburetor overflow hose
and coolant reservoir breather hose between the connecting
rod and cross tube (frame).
ÓFasten the neutral switch lead and oil hose together with the
plastic locking ties and cut off the tie ends.
ÔPass the cylinder head breather hose through the hose guides.
ÕFasten the neutral switch lead.
A
A
B-B
B
B
Þ 3
4
3
5
63
3
3
3
7 J
JKL
8
9 3
0 A 3 0 3B CD E FG H F
9
8 I0F30
1
2 È
É
Ê
Ì
Î Í
3
Ë
Ï
Ð
Ñ
Ò
Ó
Ô Õ Ö× Ø Ù
Ú Û
Ô Ù ÜÝ

SPEC
2 - 101
CABLE ROUTING DIAGRAM
ÖFasten the neutral switch lead and AC magneto lead.
×Pass the cylinder head breather hose on the inside of the radi-
ator hose 1 and on the outside of the radiator pipe (radiator
hose 4). Make sure that the cylinder head breather hose does
not go forward of the chassis.
ØPass the starter motor lead in front of the radiator hose 4.
ÙPass the clutch cable through the cable guides.
ÚPass the wire harness on the outside of the neutral switch lead
and AC magneto lead.
ÛFit the brake hose into the guides on the protector.
ÜPass the wire harness and clutch cable through the cable
guide.ÝFasten the AC magneto lead and neutral switch lead to the
cable guide at their protecting tube.
ÞPass the carburetor breather hoses, carburetor overflow hose
and coolant reservoir breather hose so that the hoses do not
contact the rear shock absorber.
A
A
B-B
B
B
Þ 3
4
3
5
63
3
3
3
7 J
JKL
8
9 3
0 A 3 0 3B CD E FG H F
9
8 I0F30
1
2 È
É
Ê
Ì
Î Í
3
Ë
Ï
Ð
Ñ
Ò
Ó
Ô Õ Ö× Ø Ù
Ú Û
Ô Ù ÜÝ

SPEC
2 - 103
CABLE ROUTING DIAGRAM
1Hot starter cable
2Cable guide
3Throttle cable (return)
4Throttle cable (pull)
5Ignition coil
6Coolant reservoir breather hose
7Rectifier/regulator
8Coolant reservoir hose
9Rectifier/regulator lead
0Clamp
ACDI unit lead
BCDI unit
CCDI unit bandDCDI unit stay
ÈPass 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.
A
B
B
A
0
79B
C
D
1
2
3
4
5 C
B
A
00
9
8
6 7Ð Í
Ï
ÍÎ
È
É
Ê Ì
Ë
50 ~ 70 mm
(1.97 ~ 2.76 in)

SPEC
2 - 105
ÌFasten the coolant reservoir breather hose and carburetor
breather hoses together.
ÍFasten the rectifier/regulator lead.
ÎFasten the CDI unit lead.
ÏInsert the CDI unit band over the CDI unit stay as far as possi-
ble.
ÐDo not allow the rectifier/regulator lead to slacken.
A
B
B
A
0
79B
C
D
1
2
3
4
5 C
B
A
00
9
8
6 7Ð Í
Ï
ÍÎ
È
É
Ê Ì
Ë
50 ~ 70 mm
(1.97 ~ 2.76 in)
CABLE ROUTING DIAGRAM

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.
ÊDo not allow the taillight lead to slacken.
ËFasten the coolant reservoir breather hose and coolant reser-
voir hose.
ÌPass the coolant reservoir hose on the outside of the coolant
reservoir breather hose.

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 du
radiateur quand le moteur est chaud.
ATTENTION:
Prendre garde à ne pas verser de
liquide de refroidissement sur les sur-
faces peintes. Si cela devait se pro-
duire, nettoyer à l’eau.
1. Mettre 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 complètement le liquide
de refroidissement.
4. Connecter:
Durit du vase d’expansion
5. Déposer:
Protège-carter 1
Boulon de vidange de refroidisse-
ment 2
6. Déposer:
Bouchon du radiateur
Vidanger complètement le liquide
de refroidissement.
7. Nettoyer:
Circuit de refroidissement
Bien rincer le circuit de refroidis-
sement avec de l’eau du robinet.
8. Monter:
Rondelle en cuivre
Boulon de vidange de refroidisse-
ment
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

3 - 25
INSP
ADJ
9. Fill:
Radiator
Engine
To specified level.
CAUTION:
Do not mix more than one type
of ethylene glycol antifreeze
containing corrosion inhibitors
for aluminum engine.
Do not use water containing
impurities or oil.
Recommended coolant:
High quality ethylene
glycol anti-freeze con-
taining anti-corrosion
for aluminum engine
Coolant 1 and water
(soft water) 2 mixing
ratio:
50%/50%
Coolant capacity:
1.3 L
(1.14 Imp qt,
1.37 US qt)
Handling notes of coolant:
The coolant is harmful so it should
be handled with special care.
WARNING
When coolant splashes to
your eye.
Thoroughly wash your eye
with water and see your doc-
tor.
When coolant splashes to
your clothes.
Quickly wash it away with
water and then with soap.
When coolant is swallowed.
Quickly make him vomit and
take him to a doctor.
10. Install:
Radiator cap
11. Fill:
Coolant reservoir tank
Midway
a between maximum
and minimum marks on the
tank.
LOWFULLCOOLANTa
9. Remplir:
Radiateur
Moteur
Au niveau spécifié.
ATTENTION:
Ne pas mélanger plusieurs solutions
antigel à l’éthylène glycol contenant
des produits anticorrosion pour
moteurs en aluminium.
Ne pas utiliser d’eau contenant des
impuretés ou de l’huile.
Liquide de refroidissement
recommandé:
Antigel à l’éthylène gly-
col de haute qualité con-
tenant un agent anticor-
rosion pour moteurs en
aluminium
Taux du mélange liquide de
refroidissement 1/eau (eau
douce) 2:
50 %/50 %
Capacité de
refroidissement:
1,3 L
(1,14 Imp qt, 1,37 US qt)
Notes concernant la manipulation
du liquide de refroidissement:
Le liquide de refroidissement étant
dangereux, il doit être manipulé avec
une attention particulière.
AVERTISSEMENT
En cas d’éclaboussures de
liquide de refroidissement dans
les yeux: Rincer soigneusement les
yeux à l’eau et consulter un méde-
cin dans les plus brefs délais.
En cas d’éclaboussures de
liquide de refroidissement sur les
vêtements: Eliminer rapidement
à l’eau puis à l’eau savonneuse.
En cas d’ingestion de liquide de
refroidissement: Provoquer rapi-
dement un vomissement puis
consulter un médecin dans les
plus brefs délais.
10. Monter:
Bouchon de radiateur
11. Remplir:
Vase d’expansion
A mi-chemin a entre les repères
de niveau minimum et maximum
du réservoir.
ENGINE
MOTEUR