YAMAHA YZ426F 2001 Owners Manual

YAMAHA YZ426F 2001 Owners Manual YZ426F 2001 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53971/w960_53971-0.png YAMAHA YZ426F 2001 Owners Manual
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Page 291 of 626

YAMAHA YZ426F 2001  Owners Manual ENG
4 - 27 Organisation de la dépose Ordre Nom de pièce Qté Remarques
11 Joint 1
12 Goujon 2
13 Guide de chaîne de distribution 
(avant)1
Demontage-ArbeitenReihen-
folgeBauteil Anz. Bemerkungen
11

Page 292 of 626

YAMAHA YZ426F 2001  Owners Manual 4 - 28
ENGCYLINDER HEAD
INSPECTION
Cylinder head
1. Eliminate:
lCarbon deposits (from the combustion
chambers)
Use a rounded scraper.
NOTE:
Do not use a sharp instrument to avoid dam-
aging or scratch

Page 293 of 626

YAMAHA YZ426F 2001  Owners Manual 4 - 28
ENG
CULASSE
ZYLINDERKOPF
PRÜFUNG
Zylinderkopf
1. Entfernen:
lÖlkohleablagerungen (im Brennraum)
Einen abgerundeten Schaber verwen-
den.
HINWEIS:
Keine scharfkantigen Gegenstände benutzen,
um

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YAMAHA YZ426F 2001  Owners Manual 4 - 29
ENGCYLINDER HEAD
ASSEMBLY AND INSTALLATION
1. Install:
lCylinder head
lBolts (1 ~ 4)
lNuts (5, 6)
lNuts (7, 8)
NOTE:
Follow the numerical order shown in the illus-
tration. Tighten the bolts an

Page 295 of 626

YAMAHA YZ426F 2001  Owners Manual 4 - 29
ENG
ZUSAMMENBAU UND MONTAGE
1. Montieren:
lZylinderkopf
lSchrauben (1–4)
lMuttern (5, 6)
lMuttern (7, 8)
HINWEIS:
Die numerierte Reihenfolge laut Abbildung befol-
gen. Schrauben und Muttern i

Page 296 of 626

YAMAHA YZ426F 2001  Owners Manual 4 - 30
ENGVALVES AND VALVE SPRINGS
VALVES AND VALVE SPRINGS
VALVES AND VALVE SPRINGS
Extent of removal:1 Valve removal
Extent of removal Order Part name Q’ty Remarks
VALVES AND VALVE SPRINGS 
REMOVA

Page 297 of 626

YAMAHA YZ426F 2001  Owners Manual ENG
4 - 30
SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
VENTILE UND VENTILFEDERN
VENTILE UND VENTILFEDERN
Demontage-Arbeiten:1 Ventile demontieren
Demontage-ArbeitenReihen-
folgeBauteil An

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YAMAHA YZ426F 2001  Owners Manual 4 - 31
ENGVALVES AND VALVE SPRINGS
REMOVAL POINTS
1. Remove: 
lValve lifters 1 
lPads 2 
NOTE:
Identify each lifter 1 and pad 2 position very
carefully so that they can be reinstalled in their
origina

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YAMAHA YZ426F 2001  Owners Manual 4 - 31
ENG
SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
AUSBAU
1. Demontieren: 
lTassenstößel 1 
lVentilplättchen 2 
HINWEIS:
Die jeweilige Einbaulage der Tassenstößel 1
und Ventilpl

Page 300 of 626

YAMAHA YZ426F 2001  Owners Manual 4 - 32
ENGVALVES AND VALVE SPRINGS
INSPECTION
Valve
1. Measure:
lStem-to-guide clearance
Out of specification ® Replace the
valve guide. Stem-to-guide clearance =
valve guide inside diameter a – 
v
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