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
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Page 521 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 93
ENG
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CÁRTER Y CIGÜEÑAL
Demontage-ArbeitenReihen-
folgeBauteil Anz. Bemerkungen
11 Ölsieb 1
12 Ölzufuhrleitung 2 1
13 Kurbelwelle 1 Spezi

Page 522 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
4 - 94 CRANKCASE BEARING
Extent of removal:1 Crankcase bearing removal
Extent of removal Order Part name Q’ty Remarks
CRANKCASE BEARING 
REMOVAL
Preparation for removal Transmission 
Shift cam a

Page 523 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 94
ENG
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CÁRTER Y CIGÜEÑAL
KURBELWELLENLAGER
Demontage-Arbeiten:1 Kurbelwellenlager demontieren
Demontage-ArbeitenReihen-
folgeBauteil Anz. Be

Page 524 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 95
ENGCRANKCASE AND CRANKSHAFT
REMOVAL POINTS
Crankcase
1. Separate:
lCrankcase (right)
lCrankcase (left)
Separation steps:
lRemove the crankcase bolts, hose guide
and clutch cable holder.
NOTE:
L

Page 525 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
4 - 95
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CÁRTER Y CIGÜEÑAL
AUSBAU
Kurbelgehäuse
1. Trennen:
lKurbelgehäusehälfte
(rechts)
lKurbelgehäusehälfte (links)
Arbeitsschritte
lK

Page 526 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 96
ENG
Crankshaft
1. Remove:
lCrankshaft 1 
Use the crankcase separating tool 2.
CAUTION:
Do not use a hammer to drive out the
crankshaft.
Crankshaft bearing
1. Remove:
lBearing 1 
NOTE:
lRemove t

Page 527 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
4 - 96
Kurbelwelle
1. Demontieren:
lKurbelwelle 1 
Das Kurbelgehäuse-Trenn-
werkzeug 2.
ACHTUNG:
Die Kurbelwelle niemals mit einem
Hammer auszutreiben.
Kurbelwellenlager
1. Demontieren:
lLager 1

Page 528 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 97
ENGCRANKCASE AND CRANKSHAFT
EC4N4201
Crankshaft
1. Measure:
lRunout limit a 
lSmall end free play limit b 
lConnecting rod big end side clearance
c 
lCrank width d 
Out of specification ® Repl

Page 529 of 762

YAMAHA WR 400F 2001  Owners Manual ENG
4 - 97
CARTER ET VILEBREQUIN
KURBELGEHÄUSE UND KURBELWELLE
CÁRTER Y CIGÜEÑAL
Kurbelwelle
1. Messen:
lSchlaggrenze a 
lPleuel-Radialspiel b 
lPleuel-Axialspiel c 
lKurbelwangenbreite d 
Unvorsc

Page 530 of 762

YAMAHA WR 400F 2001  Owners Manual 4 - 98
ENG
EC4N5000
ASSEMBLY AND INSTALLATION
Crankshaft bearing
1. Install:
lBearing 
lBearing stopper
lScrew (bearing stopper)
lScrew [bearing stopper (crankshaft)] 1 
To crankcase (left and right).
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