2003 YAMAHA YZ450F engine

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Page 462 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 11
CHAS
EC5A8100
REAR BRAKE
Extent of removal:1 Master cylinder removal2 Brake hose removal
3 Caliper removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalREAR BRAKE REM

Page 492 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 26
CHASFRONT FORK
EC550000
FRONT FORK
Extent of removal:1 Front fork removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT FORK REMOVAL
Hold the machine by placing

Page 518 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 39
CHAS
EC5B0000
HANDLEBAR
Extent of removal:1 Handlebar removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalHANDLEBAR REMOVAL
Number plate Remove the clamp portion onl

Page 519 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 39
CHAS
LENKER
Demontage-Arbeiten:1 Lenker demontieren
Demontage-ArbeitenReihen-
folgeBauteilAnz.Bemerkungen
Vorbereitung den Aus-
bauLENKER DEMONTIEREN
Nummernschild Nur die Befestigung demontier

Page 526 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 43
CHASHANDLEBAR
8. Install:
Master cylinder 1 
Master cylinder bracket 2 
Bolt (master cylinder bracket) 3 
NOTE:
Install the bracket so that the arrow mark a
faces upward.
First tighten the

Page 527 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 43
CHAS
GUIDON
LENKER
8. Montieren:
Hauptbremszylinder 1 
Hauptbremszylinder-Halterung 2 
Schraube (Hauptbremszylinder-Halte-
rung) 3 
HINWEIS:
Die Halterung mit nach oben gerichteter
Pfeilmar

Page 530 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 45
CHAS
EC560000
STEERING
Extent of removal:1 Under bracket removal2 Bearing removal
Extent of removal Order Part name Q’ty Remarks
STEERING REMOVAL
WARNING
Support the machine securely so there

Page 540 of 644

YAMAHA YZ450F 2003  Owners Manual 5 - 50
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 no
danger