2004 YAMAHA WR 450F TENSION CHAIN

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Page 86 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) SPEC
 
2 - 11 
MAINTENANCE SPECIFICATIONS 
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Spark plug M10S  
× 
 1.0 1 13 1.3 9.4
Camshaft cap M6  
× 
 1.0 10 10 1.0 7.2
Cyl

Page 91 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) SPEC
2 - 16
MAINTENANCE SPECIFICATIONS
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Rear wheel axle and nut M20 × 1.5 1 125 12.5 90
Driven sprocket and wheel hub M8 × 1.2

Page 177 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) INSP
ADJ
 
PROGRAMME D’ENTRETIEN 
Astérique* : USA 
FOURCHE AVANT
Contrôler et régler
Changer l’huile
Changer la bague d’étanchéité 
●
●●
●
● 
Huile de suspension “01”
BAGUE

Page 185 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) INSP
ADJ
CONTROLE ET ENTRETIEN AVANT UTILISATION
CONTROLE ET ENTRETIEN AVANT UTILISATION
Avant la conduite pour le rodage, l’entraînement ou une course, s’assurer que la machine est en bon état

Page 220 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) 3 - 21
INSP
ADJ
VALVE CLEARANCE ADJUSTMENT
5. Adjust:
Valve clearance
Adjustment steps:
Loosen the timing chain tensioner cap
bolt.
Remove the timing chain tensioner and
camshaft caps.
NOTE:
Remove

Page 224 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) 3 - 23
INSP
ADJ
6. Install:
All removed parts
NOTE:
Install all removed parts in reversed order of
their removal.
Install the timing chain tensioner.
Refer to “CAMSHAFTS” section in the
CHAPTER

Page 251 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) INSP
ADJ
ANTRIEBSKETTEN-DURCHHANG
EINSTELLEN
1. Das Motorrad am Motor auf-
bocken, um das Hinterrad vom
Boden abzuheben.
2. Kontrollieren:
Antriebsketten-Durchhang a
über der Kettenführungs-
Schrau

Page 344 of 754

YAMAHA WR 450F 2004  Manuale de Empleo (in Spanish) 4 - 22
ENGCAMSHAFTS
CAMSHAFTS
Extent of removal:1 Camshaft removal
Extent of removal Order Part name Q’ty Remarks
CAMSHAFTS REMOVAL
1 Timing plug 1
Refer to “REMOVAL POINTS”. 2 Straight plug 1
3
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