2002 YAMAHA YZ250LC oil

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Page 186 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 3-27
FRONT FORK OIL SEAL AND DUST SEAL CLEANING/
FRONT FORK INTERNAL PRESSURE RELIEVING/
FRONT FORK REBOUND DAMPING FORCE ADJUSTMENT
INSP
ADJ
EC36D001
FRONT FORK OIL SEAL AND DUST SEAL
CLEANING
1. Rem

Page 190 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 3-29
REAR SHOCK ABSORBER INSPECTION
INSP
ADJ
9STANDARD POSITION:
This is the position which is back by the spe-
cific number of clicks from the fully turned-in
position.
cC
Do not force the adjuster p

Page 201 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 3-34
CONTROLE DE PRESSION DES PNEUS/VERIFICATION ET SERRAGE DES
RAYONS/VERIFICATION DE LA ROUE
PRÜFUNG DES REIFENDRUCKS/INSPEKTION UND FESTZIEHEN DER 
SPEICHEN/INSPEKTION DES RADES
CONTROLLO DELLA PR

Page 206 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 3-37
LUBRICATION
INSP
ADJ
EC36a042
LUBRICATION
To ensure smooth operation of all components,
lubricate your machine during setup, after break-
in, and after every race.
1All control cable
2Clutch leve

Page 237 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 4-12
CARBURATEUR ET SOUPAPE FLEXIBLE
VERGASER UND ZUNGENVENTIL
CARBURATORE E VALVOLA A LAMELLAENG
9Hauteur de la butée de soupape
b
Hors spécification Régler/
Changer la butée de clapet.9Altezza

Page 240 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 3. Install:
9Pilot air screw 1
9Throttle stop screw 2
4. Install:
9Starter plunger 1
4-14
ENGCARBURETOR AND REED VALVE
Pilot air screw:
1 turn out
*1-3/8 turns out
(for reference only)
Note the follow

Page 255 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 4-21
CULASSE, CYLINDRE ET PISTON
ZYLINDERKOPF, ZYLINDER UND KOLBEN
TESTA CILINDRO, CILINDRO E PISTONEENG
VERIFICATION
Culasse
1. Déposer:
9Depôts de carbone
Utiliser le grattoir arrondi 1.
N.B.:
Pre

Page 266 of 584

YAMAHA YZ250LC 2002  Notices Demploi (in French) 4-27
ENGCYLINDER HEAD, CYLINDER AND PISTON
EC475000
ASSEMBLY AND INSTALLATION
EC475193
Power valve
1. Install:
9Power valve 1 1
9Valve holder 2 2
9Bolt (valve holder 2) 3
NOTE:
9Install the power valv