YAMAHA WR 400F 2002 Owners Manual

YAMAHA WR 400F 2002 Owners Manual WR 400F 2002 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52438/w960_52438-0.png YAMAHA WR 400F 2002 Owners Manual
Trending: clock reset, engine oil, ignition, tow bar, fuel pump, height, length

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YAMAHA WR 400F 2002  Owners Manual ENG
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SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
VÁLVULAS Y MUELLES DE VÁLVULA
Ventilfeder
1. Messen:
Ventilfederlänge (ent-
spannt) a 
Unvorschriftsmäßig → 
Erneuern.
2. Me

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YAMAHA WR 400F 2002  Owners Manual  
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ENG
 
VALVES 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

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YAMAHA WR 400F 2002  Owners Manual ENG
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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

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YAMAHA WR 400F 2002  Owners Manual 4 - 41
ENG
3. Install:
Valve 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 2002  Owners Manual ENG
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3. Montieren:
Ventilkeile
HINWEIS:
Die Ventilfeder mit Ventilfederspan-
ner 1 zusammendrücken, dann die
Ventilkeile einsetzen.
Ventilfederspanner
YM-4019/
90890-04019
4. Zur Sicherung der

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YAMAHA WR 400F 2002  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 2002  Owners Manual 4 - 42
ENG
CYLINDRE ET PISTON
ZYLINDER UND KOLBEN
CILINDRO Y PISTÓN
ZYLINDER UND KOLBEN
ZYLINDER UND KOLBEN
Demontage-Arbeiten:1 Zylinder demontieren2 Kolben demontieren
Demontage-ArbeitenReihen-
fol

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YAMAHA WR 400F 2002  Owners Manual 4 - 43
ENGCYLINDER AND PISTON
REMOVAL POINTS
Piston
1. Remove:
Piston pin clips 1 
Piston pin 2 
Piston 3 
NOTE:
Put identification marks on each piston head
for reference during reinstallation.


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YAMAHA WR 400F 2002  Owners Manual ENG
 
4 - 43 
CYLINDRE ET PISTON  
ZYLINDER UND KOLBEN  
CILINDRO Y PISTÓN 
AUSBAU
Kolben  
1. Demontieren: 
 
Kolbenbolzen-Sicherungs-
ringe   
1  
  
 
Kolbenbolzen   
2  
  
 
Kolben   
3  
 
H

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YAMAHA WR 400F 2002  Owners Manual 4 - 44
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
Trending: light, washer fluid, set clock, remove seats, engine coolant, reset, brake rotor