2004 YAMAHA YZ85 oil

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Page 185 of 506

YAMAHA YZ85 2004  Owners Manual 3- 36
INSP
ADJ
CONTROLE DES ROUES
1. Contrôler:
Voile de roue
Surélever la roue et la faire tourner.
Voile excessif → Remplacer.
2. Contrôler:
Jeu de roulement
Il y a du jeu → Remplacer.
CONT

Page 190 of 506

YAMAHA YZ85 2004  Owners Manual 3 - 35
INSP
ADJ
LUBRICATION
LUBRICATION
To ensure smooth operation of all compo-
nents, lubricate your machine during setup, 
after break-in, and after every race.
1All control cable
2Clutch lever piv

Page 233 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 18
ENG
2. Contrôler:
Chemise d’eau de la culasse
Couche minérale/rouille → Enlever.
Déformation de la culasse
Hors spécifications → Surfacer.
Etapes de la mesure de la limite de défor

Page 242 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 23
ENG
NOTE:
When you purchase a cylinder, you cannot
designate its size. Choose the piston that
matches the above chart.
ASSEMBLY AND INSTALLATION
Piston ring and piston
1. Install:
Piston ring

Page 244 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 24
ENG
3. Install:
Piston 1 
Piston pin 2
Piston pin clip 3 
NOTE:
The arrow a on the piston dome must point
to exhaust side.
Before installing the piston pin clip, cover the
crankcase with a

Page 248 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 26
ENGCLUTCH AND PRIMARY DRIVEN GEAR
EC490000
CLUTCH AND PRIMARY DRIVEN GEAR
EC498000
CLUTCH PLATE AND FRICTION PLATE
5PA40720
Extent of removal:
1 Clutch plate and friction plate removal
Extent o

Page 256 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 30
ENG
ASSEMBLY AND INSTALLATION
Push lever shaft
1. Install:
Push lever shaft 1 
NOTE:
Apply the lithium soap base grease on the oil
seal lip and push lever shaft end.
Apply the transmission o

Page 258 of 506

YAMAHA YZ85 2004  Owners Manual 4 - 31
ENG
4. Install:
Nut (clutch boss) 1 
NOTE:
Use the clutch holding tool 2 to hold the clutch
boss.
ÈFor USA and CDN
ÉExcept for USA and CDN
Clutch holding tool:
YM-91042/90890-040865PA40870
T