YAMAHA WR 450F 2004 Owners Manual

YAMAHA WR 450F 2004 Owners Manual WR 450F 2004 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52484/w960_52484-0.png YAMAHA WR 450F 2004 Owners Manual
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Page 671 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
SYSTEM DE DEMARRAGE ELECTRIQUE
ELEKTROSTARTERSYSTEM
SYSTEMA DE ARRANQUE ELÉCTRICO
MOTEUR DE DÉMARREUR
Organisation de la dépose:1 Démontage du moteur dé demarreur 
Organisation de la dé

Page 672 of 754

YAMAHA WR 450F 2004  Owners Manual 6 - 13
–+ELECELECTRIC STARTING SYSTEM
0
9
56
7
5 0 8
9
4
3
2
1
New
New
New
B
5
1
Extent of removal Order Part name Q’ty Remarks
6Starter motor yoke 1
7Armature assembly 1
8Starter motor rear cover

Page 673 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
Organisation de la dépose Ordre Nom de pièce QtéRemarques
6Stator de démarreur 
1
7Ensemble de l’armature
1
8Couvercle arrière de démarreur 
1
9Balais 
2
0Ressort de balais 
2
1
Demon

Page 674 of 754

YAMAHA WR 450F 2004  Owners Manual 6 - 14
–+ELECELECTRIC STARTING SYSTEM
INSPECTION AND REPAIR
1. Check: 
Commutator 
Dirt → Clean with 600 grit sandpaper.
2. Measure: 
Commutator diameter a 
Out of specification → Replace the

Page 675 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
SYSTEM DE DEMARRAGE ELECTRIQUE
ELEKTROSTARTERSYSTEM
SYSTEMA DE ARRANQUE ELÉCTRICO
INSPECTION ET REPARATION 
1. Inspecter: 
Commutateur 
Sale → Nettoyer avec du
papier de verre à grains #

Page 676 of 754

YAMAHA WR 450F 2004  Owners Manual 6 - 15
–+ELECELECTRIC STARTING SYSTEM
5. Measure: 
Brush length a 
Out of specification → Replace the
brushes as a set.
Min. brush length
3.5 mm (0.14 in)
6. Measure:
Brush spring force
Out of s

Page 677 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
SYSTEM DE DEMARRAGE ELECTRIQUE
ELEKTROSTARTERSYSTEM
SYSTEMA DE ARRANQUE ELÉCTRICO
5. Mesurer: 
Longueur des balais a 
Hors spécification → Rempla-
cer les deux balais. 
Longueur minimale

Page 678 of 754

YAMAHA WR 450F 2004  Owners Manual 6 - 16
–+ELECELECTRIC STARTING SYSTEM
3. Install:
O-ring 1 
Starter motor yoke 2 
NOTE:
Align the match mark a on the starter motor
yoke with the match mark b on the starter
motor rear cover.
In

Page 679 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
SYSTEM DE DEMARRAGE ELECTRIQUE
ELEKTROSTARTERSYSTEM
SYSTEMA DE ARRANQUE ELÉCTRICO
3. Installer : 
Joint torique 1 
Stator de démarreur 2
N.B.:
Faire coïncider le repère a sur le sta-
t

Page 680 of 754

YAMAHA WR 450F 2004  Owners Manual –+ELEC
6 - 17
CHARGING SYSTEM
EC680000
CHARGING SYSTEM
EC681001
INSPECTION STEPS
If the battery is not charged, use the following inspection steps.
*1 marked: Refer to “FUSE INSPECTION” section
Trending: brake rotor, water pump, gas tank size, oil additives, ECO mode, brake light, check engine