engine YAMAHA WR 450F 2005 Notices Demploi (in French)

YAMAHA WR 450F 2005 Notices Demploi (in French) WR 450F 2005 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52483/w960_52483-0.png YAMAHA WR 450F 2005 Notices Demploi (in French)

Page 598 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 5 - 44
CHASHANDLEBAR
9. Install:
“ENGINE STOP” button 1 
Clutch lever holder 2 
Bolt (clutch lever holder) 3 
Hot starter lever holder 4 
Bolt (hot starter lever holder) 5 
Clamp 6 
NOTE:
T

Page 599 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 5 - 44
CHAS
9. Montieren:
Motorstoppschalter “ENGINE
STOP” 
1 
Kupplungshebel-Halterung 
2 
Schraube (Kupplungshebel-
Halterung) 
3 
Warmstarthebel-Halterung 
4 
Schraube (Warmstarthebel-
Hal

Page 602 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 5 - 46
CHAS
EC560000
STEERING
Extent of removal:
1 Under bracket removal
2 Bearing removal
Extent of removal Order Part name Q’ty Remarks
STEERING REMOVAL
WARNING
Support the machine securely so the

Page 614 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 5 - 52
CHASSWINGARM
EC570000
SWINGARM
Extent of removal:
1 Swingarm removal
Extent of removal Order Part name Q’ty Remarks
SWINGARM REMOVAL
WARNING
Support the machine securely so there is nodanger

Page 630 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 5 - 60
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 SHO

Page 648 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 6 - 1
–+ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1Headlight
2“ENGINE STOP” 
button
3Clutc

Page 649 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
ELEKTRISCHE 
ANLAGE
ELEKTRISCHE BAU-
TEILE UND SCHALTPLAN
ELEKTRISCHE BAUTEILE
1Scheinwerfer
2Motorstoppschalter “ENGINE STOP”
3Kupplungsschalter
4Diode
5Starter-Relais-Diode
6Drosselklap

Page 650 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
6 - 2
MAP-CONTROLLED CDI UNIT
MAP-CONTROLLED CDI UNIT
A map-controlled, CDI ignition system is used in the WR450F.
The microcomputer in the CDI unit detects the engine speed and throttle posi

Page 654 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
6 - 3
IGNITION SYSTEM
EC620000
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to
ignition system failure

Page 655 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
SYSTEME D’ALLUMAGE
ETAPES DU CONTROLE
Suivre la procédure ci-dessous pour déterminer si le mauvais fonctionnement du moteur est dû à une panne
dans le circuit d’allumage et pour véri