Engine YAMAHA YZ450F 2007 Owners Manual

YAMAHA YZ450F 2007 Owners Manual YZ450F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/54000/w960_54000-0.png YAMAHA YZ450F 2007 Owners Manual

Page 562 of 650

YAMAHA YZ450F 2007  Owners Manual 5 - 62
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 576 of 650

YAMAHA YZ450F 2007  Owners Manual 6 - 1
–+ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1“ENGINE STOP” button
2TPS (throttle pos

Page 577 of 650

YAMAHA YZ450F 2007  Owners Manual –+ELEC
ELEKTRISCHE ANLAGE
ELEKTRISCHE BAUTEILE UND 
SCHALTPLAN
ELEKTRISCHE BAUTEILE
1Motorstoppschalter “ENGINE STOP”
2Drosselklappensensor
3Leerlaufschalter
4Lichtmaschine
5Zündspule
6Zündker

Page 578 of 650

YAMAHA YZ450F 2007  Owners Manual –+ELEC
6 - 2
MAP-CONTROLLED CDI UNIT
MAP-CONTROLLED CDI UNIT
A map-controlled, CDI ignition system is used in the YZ450F.
The microcomputer in the CDI unit detects the engine speed and throttle posi

Page 581 of 650

YAMAHA YZ450F 2007  Owners Manual –+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 582 of 650

YAMAHA YZ450F 2007  Owners Manual –+ELECSYSTEME D’ALLUMAGE
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’al

Page 583 of 650

YAMAHA YZ450F 2007  Owners Manual –+ELEC
ZÜNDSYSTEM
KONTROLLE
Folgende Prüfschritte dienen zur Diagnose von zündungsbedingten Motorstörungen und von Zünd-
kerzenausfall.
* Nur mit dem Zündungstester kontrollieren.
HINWEIS:
Vo

Page 584 of 650

YAMAHA YZ450F 2007  Owners Manual 6 - 4
–+ELECIGNITION SYSTEM
SPARK GAP TEST
1. Disconnect the ignition coil from spark
plug.
2. Remove the ignition coil cap.
3. Connect the dynamic spark tester 1 (igni-
tion checker 2) as shown.

Page 585 of 650

YAMAHA YZ450F 2007  Owners Manual –+ELEC
ZÜNDFUNKENSTRECKE KONTROLLIEREN
1. Das Zündkabel von der Zündkerze abziehen.
2. Den Stecker von der Zündspule abziehen.
3. Den Zündfunkenstrecken-Tester 1 (Zün-
dungstester 2), wie in d

Page 594 of 650

YAMAHA YZ450F 2007  Owners Manual 6 - 8
–+ELECTPS (THROTTLE POSITION SENSOR) SYSTEM
HANDLING NOTE
CAUTION:
Do not loosen the screw {TPS (throttle
position sensor)} 
1 except when changing
the TPS (throttle position sensor) due to
fa