YAMAHA WR 400F 2001 Owners Manual

YAMAHA WR 400F 2001 Owners Manual WR 400F 2001 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52439/w960_52439-0.png YAMAHA WR 400F 2001 Owners Manual
Trending: maintenance, OBD port, brake fluid, wheel bolts, drain bolt, oil capacity, maintenance schedule

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YAMAHA WR 400F 2001  Owners Manual ENG
4 - 38
SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
VÁLVULAS Y MUELLES DE VÁLVULA
Ventilfeder
1. Messen:
lVentilfederlänge (ent-
spannt) a 
Unvorschriftsmäßig ® 
Erneuern.
2. Mes

Page 412 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 39
ENGVALVES AND VALVE SPRINGS
Combination of cylinder head and valve 
lifter
1. Combination:
For this combination, match the paint
color on the cylinder head with that on
the valve lifter accordi

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YAMAHA WR 400F 2001  Owners Manual ENG
4 - 39
SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
VÁLVULAS Y MUELLES DE VÁLVULA
Kombination von Zylinderkopf 
und Tassenstößel
1. Kombination:
Für diese Kombination ist die
nach

Page 414 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 40
ENG
3. Install:
lValve cotters
NOTE:
While compressing the valve spring with a
valve spring compressor 1 install the valve
cotters.
4. To secure the valve cotters onto the
valve stem, lightly t

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YAMAHA WR 400F 2001  Owners Manual ENG
4 - 40
3. Montieren:
lVentilkeile
HINWEIS:
Die Ventilfeder mit Ventilfederspan-
ner 1 zusammendrücken, dann die
Ventilkeile einsetzen.
Ventilfederspanner
YM-04019/
90890-04019
4. Zur Sicherung de

Page 416 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
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CYLINDER AND PISTON
CYLINDER AND PISTON
CYLINDER AND PISTON
Extent of removal:1 Cylinder removal2 Piston removal
Extent of removal Order Part name Q’ty Remarks
CYLINDER AND PISTON 
REMOVA

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YAMAHA WR 400F 2001  Owners Manual  
4 - 41
ENG
 
CYLINDRE ET PISTON  
ZYLINDER UND KOLBEN  
CILINDRO Y PISTÓN  
ZYLINDER UND KOLBEN 
ZYLINDER UND KOLBEN 
Demontage-Arbeiten:  
1  
 Zylinder demontieren  
2  
 Kolben demontieren 
Demo

Page 418 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 42
ENGCYLINDER AND PISTON
REMOVAL POINTS
Piston
1. Remove:
lPiston pin clips 1 
lPiston pin 2 
lPiston 3 
NOTE:
lPut identification marks on each piston head
for reference during reinstallation.
l

Page 419 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
 
4 - 42 
CYLINDRE ET PISTON  
ZYLINDER UND KOLBEN  
CILINDRO Y PISTÓN 
AUSBAU
Kolben  
1. Demontieren: 
l 
Kolbenbolzen-Sicherungs-
ringe   
1  
  
l 
Kolbenbolzen   
2  
  
l 
Kolben   
3  
 
H

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YAMAHA WR 400F 2001  Owners Manual 4 - 43
ENGCYLINDER AND PISTON
Cylinder bore “C”WR426F:
95.00 ~ 95.01 mm
(3.7402 ~ 3.7406 in)
WR400F:
92.00 ~ 92.01 mm
(3.6220 ~ 3.6224 in)
Taper limit “T” 0.05 mm (0.002 in)
Out of round “R
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