2004 YAMAHA YZ85 ECO mode

EC020000
INTRODUCTION
Congratulations on your purchase of a
Yamaha YZ series. This model is the culmina-
tion of Yamaha’s vast experience in the pro-
duction of pacesetting racing machines. It
represents the highest grade of craftsmanship
and reliability that have made Yamaha a
leader.
This manual explains operation, inspection,
basic maintenance and tuning of your
machine. If you have any questions about this
manual or your machine, please contact your
Yamaha dealer.
NOTE:
As improvements are made on this model,
some data in this manual may become out-
dated. If you have any questions, please con-
sult your Yamaha dealer.
WARNING
PLEASE READ THIS MANUAL CAREFULLY
AND COMPLETELY BEFORE OPERATING
THIS MACHINE. DO NOT ATTEMPT TO
OPERATE THIS MACHINE UNTIL YOU
HAVE ATTAINED A SATISFACTORY
KNOWLEDGE OF ITS CONTROLS AND
OPERATING FEATURES AND UNTIL YOU
HAVE BEEN TRAINED IN SAFE AND
PROPER RIDING TECHNIQUES. REGULAR
INSPECTIONS AND CAREFUL MAINTE-
NANCE, ALONG WITH GOOD RIDING
SKILLS, WILL ENSURE THAT YOU SAFETY
ENJOY THE CAPABILITIES AND THE RELI-
ABILITY OF THIS MACHINE.

EC050000
TO THE NEW OWNER
This manual will provide you with a good basic
understanding of features, operation, and
basic maintenance and inspection items of this
machine. Please read this manual carefully
and completely before operating your new
machine. If you have any questions regarding
the operation or maintenance of your machine,
please consult your Yamaha dealer.
NOTE:
This manual should be considered a perma-
nent part of this machine and should remain
with it even if the machine is subsequently
sold.
EC060000
NOTICE
Some data in this manual may become out-
dated due to improvements made to this
model in the future. If there is any question
you have regarding this manual or your
machine, please consult your Yamaha
dealer.

SPEC
2 - 14
MAINTENANCE SPECIFICATIONS
EC212300
ELECTRICAL
Item Standard Limit
Ignition system:
Ignition timing (B.T.D.C.) 0.9 mm (0.035 in) ----
Advancer type Electrical ----
CDI:
Magneto-model (stator)/manufac-
turer5PA-00/YAMAHA ----
Charging coil 1 resistance (color) 720 ~ 1,080 Ω at 20 °C (68 °F)
(Green/White – Black/Red)----
Charging coil 2 resistance (color) 44 ~ 66 Ω at 20°C (68 °F)
(Black – Green/Blue)----
Pickup coil resistance (color) 248 ~ 372 Ω at 20°C (68 °F)
(White/Blue – White/Red)----
CDI unit-model/manufacturer 5PA-00/YAMAHA ----
Ignition coil:
Model/manufacturer 5PA-00/YAMAHA ----
Minimum spark gap 6 mm (0.24 in) ----
Primary coil resistance 0.18 ~ 0.28 Ω at 20 °C (68 °F) ----
Secondary coil resistance 6.3 ~ 9.5 kΩ at 20 °C (68 °F) ----
Spark plug cap:
Resistance 4 ~ 6 kΩ at 20 °C (68 °F) ----
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Stator M6 × 1.0 2 8 0.8 5.8
Rotor M10 × 1.25 1 33 3.3 24
Ignition coil M6 × 1.0 2 7 0.7 5.1

SPEC
2 - 14
CARACTERISTIQUES D’ENTRETIEN
PARTIE ELECTRIQUE
Elément Standard Limite
Système d’allumage:
Avance à l’allumage (avant PMH) 0,9 mm (0,035 in) ----
Type de dispositif d’avance Electrique ----
CDI:
Modèle/fabricant de la magnéto (stator) 5PA-00/YAMAHA ----
Résistance de la bobine de charge 1
(couleur)720 à 1.080 Ω à 20 °C (68 °F)
(Vert/Blanc – Noir/Rouge)----
Résistance de la bobine de charge 2
(couleur)44 à 66 Ω à 20°C (68 °F)
(Noir – Vert/Bleu)----
Résistance de la bobine d’excitation
(couleur)248 à 372 Ω à 20°C (68 °F)
(Vert/Bleu – Blanc/Rouge)----
Modèle/fabricant du bloc CDI 5PA-00/YAMAHA ----
Bobine d’allumage:
Modèle/fabricant 5PA-00/YAMAHA ----
Longueur minimum d’étincelle 6 mm (0,24 in) ----
Résistance de l’enroulement primaire 0,18 à 0,28 Ω à 20 °C (68 °F) ----
Résistance de l’enroulement secondaire 6,3 à 9,5 kΩ à 20 °C (68 °F) ----
Capuchon de bougie:
Résistance 4 à 6 kΩ à 20 °C (68 °F) ----
Pièce à serrerDiamètre du
filetQtéCouple de serrage
Nm m·kg ft·lb
Stator M6 × 1,0 2 8 0,8 5,8
Rotor M10 × 1,25 1 33 3,3 24
Bobine d’allumage M6 × 1,0 2 7 0,7 5,1