2003 YAMAHA WR 450F ABS

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Page 221 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) INSP
ADJ
3 - 21
REGLAGE DU JEU DE SOUPAPES
VENTILSPIEL EINSTELLEN
AJUSTE DE LA HOLGURA DE LA VÁLVULA
5. Einstellen:
Ventilspiel
Arbeitsschritte:
Steuerkettenspanner-Abdeck-
schraube lockern.
Steue

Page 223 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) INSP
ADJ
REGLAGE DU JEU DE SOUPAPES
VENTILSPIEL EINSTELLEN
AJUSTE DE LA HOLGURA DE LA VÁLVULA
Hundertstel gemäß Tabelle run-
den.
Letzte Ziffer auf 
dem PlättchenGerundeter Wert
0, 1 oder 2 0
4,

Page 245 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) INSP
ADJ
VERIFICATION DE L’ISOLANT DE LA PLAQUETTE DE FREIN ARRIERE/
CONTROLE DU NIVEAU DU LIQUIDE DE FREIN
INSPEKTION DER ISOLIERUNG DES HINTERRADBREMSBELAGS/
BREMSFLÜSSIGKEITSSTAND KONTROLLIEREN

Page 258 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 3 - 39
INSP
ADJ
REAR SHOCK ABSORBER INSPECTION
STANDARD POSITION:
This is the position which is back by the spe-
cific number of clicks from the fully turned-in
position.
CAUTION:
Do not force the ad

Page 260 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 3 - 40
INSP
ADJREAR SHOCK ABSORBER SPRING PRELOAD
ADJUSTMENT
REAR SHOCK ABSORBER SPRING 
PRELOAD ADJUSTMENT
1. Elevate the rear wheel by placing the
suitable stand under the engine.
2. Remove:
Rear f

Page 262 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 3 - 41
INSP
ADJ
EC36N014
REAR SHOCK ABSORBER REBOUND 
DAMPING FORCE ADJUSTMENT
1. Adjust:
Rebound damping force
By turning the adjuster 1.
Stiffer a →Increase the rebound damp-
ing force. (Turn the

Page 264 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 3 - 42
INSP
ADJREAR SHOCK ABSORBER LOW COMPRESSION
DAMPING FORCE ADJUSTMENT
EC36c000
REAR SHOCK ABSORBER LOW 
COMPRESSION DAMPING FORCE 
ADJUSTMENT
1. Adjust:
Low compression damping force
By turning

Page 266 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 3 - 43
INSP
ADJ
EC36d000
REAR SHOCK ABSORBER HIGH 
COMPRESSION DAMPING FORCE 
ADJUSTMENT
1. Adjust:
High compression damping force
By turning the adjuster 1.
Stiffer a →Increase the high compres-
s