2000 YAMAHA YZ426F Owners Manual

Page 233 of 608

YAMAHA YZ426F 2000  Owners Manual INSP
ADJ
5. Serrer:
lBougie
N.B.:
lAvant de monter une bougie, nettoyer son plan de
joint et son filetage.
lSerrer la bougie à la main a avant de la serrer au
couple correct b.
T R..13 Nm (1,3 m · k

Page 234 of 608

YAMAHA YZ426F 2000  Owners Manual 3 - 46
INSP
ADJ
IGNITION TIMING CHECK
IGNITION TIMING CHECK
1. Remove:
lTiming plug 1 
2. Attach:
lTiming light 
lInductive tachometer 
To the spark plug lead. 
3. Check:
lIgnition timing
Timing light

Page 235 of 608

YAMAHA YZ426F 2000  Owners Manual INSP
ADJ
CONTROLE DE L’AVANCE A 
L’ALLUMAGE
1. Déposer:
lBouchon de distribution 1 
2. Attacher:
lLampe stroboscopique 
lCompte-tours inductif 
Au fil de la bougie. 
3. Contrôler:
lAvance à l

Page 236 of 608

YAMAHA YZ426F 2000  Owners Manual ENG
 
4 - 1 
EC400000 
ENGINE 
EC4R0000 
SEAT, FUEL TANK AND SIDE COVERS 
Extent of removal:  
1  
 Seat removal  
2  
 Fuel tank removal  
3  
 Side covers removal  
4  
 Number plate removal
Extent

Page 237 of 608

YAMAHA YZ426F 2000  Owners Manual ENG
 
4 - 1 
MOTOR 
SITZBANK, KRAFTSTOFFTANK UND SEITENABDECKUNGEN 
Demontage-Arbeiten:  
1  
 Sitzbank demontieren  
2  
 Kraftstofftank demontieren  
3  
 Seitenabdeckungen demontieren  
4  
 Nummer

Page 238 of 608

YAMAHA YZ426F 2000  Owners Manual  
4 - 2
ENG
 
SEAT, FUEL TANK AND SIDE COVERS 
EC4R3000 
REMOVAL POINTS 
EC413101 
Side cover  
1. Remove: 
l 
Side cover (left and right)   
1  
 
CAUTION:
 
Be sure to remove the seat before remov-

Page 239 of 608

YAMAHA YZ426F 2000  Owners Manual  
4 - 2
ENG
 
AUSBAU
Seitenabdeckung  
1. Demontieren: 
l 
Seitenabdeckung (links und rechts)   
1  
 
ACHTUNG:
 
Die Sitzbank muß vor der Demontage der
Seitenabdeckung abgenommen werden.
Wird die re

Page 240 of 608

YAMAHA YZ426F 2000  Owners Manual ENG
 
4 - 3 
EXHAUST PIPE AND SILENCER 
EC4S0000 
EXHAUST PIPE AND SILENCER 
Extent of removal: 
1  
 Silencer removal  
2  
 Exhaust pipe removal
Extent of removal Order Part name Q’ty Remarks 
EXH