2004 YAMAHA YZ450F Owners Manual

Page 193 of 642

YAMAHA YZ450F 2004  Owners Manual INSP
ADJ
MEMO

Page 194 of 642

YAMAHA YZ450F 2004  Owners Manual 3 - 24
INSP
ADJ
CHASSIS/BRAKE SYSTEM AIR BLEEDING
EC360000
CHASSIS
EC361012
BRAKE SYSTEM AIR BLEEDING
WARNING
Bleed the brake system if:
The system has been disassembled.
A brake hose has been loose

Page 195 of 642

YAMAHA YZ450F 2004  Owners Manual INSP
ADJPARTIE CYCLE/PURGE DE L’AIR DU SYSTEME DE FREINAGE
FAHRWERK/HYDRAULISCHE BREMSANLAGE ENTLÜFTEN
FAHRWERK
HYDRAULISCHE BREMSANLAGE 
ENTLÜFTEN
WARNUNG
Die Anlage muß entlüftet werden, wenn:

Page 196 of 642

YAMAHA YZ450F 2004  Owners Manual 3 - 25
INSP
ADJ
FRONT BRAKE ADJUSTMENT
3. Install:
Protector (rear brake)
Reservoir float (front brake)
Diaphragm
Master cylinder cap
NOTE:
If bleeding is difficult, it may be necessary to
let the

Page 197 of 642

YAMAHA YZ450F 2004  Owners Manual INSP
ADJ
3 - 25
REGLAGE DE FREIN AVANT
VORDERRADBREMSE EINSTELLEN
3. Montieren:
Protektor (Hinterradbremse)
Ausgleichsbehälter-Schwimmer (Vor-
derradbremse)
Membran
Ausgleichsbehälterdeckel
VORD

Page 198 of 642

YAMAHA YZ450F 2004  Owners Manual 3 - 26
INSP
ADJREAR BRAKE ADJUSTMENT/
FRONT BRAKE PAD INSPECTION AND REPLACEMENT
EC364002
REAR BRAKE ADJUSTMENT
1. Check:
Brake pedal height a 
Out of specification → Adjust.
Brake pedal height a:

Page 199 of 642

YAMAHA YZ450F 2004  Owners Manual INSP
ADJ
REGLAGE DU FREIN ARRIERE/CONTROLE ET CHANGEMENT DES
PLAQUETTES DE FREIN AVANT
HINTERRADBREMSE EINSTELLEN/VORDERRAD-BREMSBELÄGE
KONTROLLIEREN UND ERNEUERN
HINTERRADBREMSE EINSTELLEN
1. Kontro

Page 200 of 642

YAMAHA YZ450F 2004  Owners Manual 3 - 27
INSP
ADJ
FRONT BRAKE PAD INSPECTION AND REPLACEMENT
Loosen the pad pin 2.
Remove the brake hose holder 3 and cal-
iper 4 from the front fork.
Remove the pad pin and brake pads 5.
Connect th