ECO mode YAMAHA YZ450F 2005 Notices Demploi (in French)

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.
EC070001
F.I.M. MACHINE WEIGHTS:
Weights of machines without fuel
The minimum weights for motocross
machines are:
for the class 125 cc ....................... minimum
88 kg (194 lb)
for the class 250 cc ....................... minimum
98 kg (216 lb)
for the class 500 cc ....................... minimum
102 kg (225 lb)
In modifying your machine (e.g., for weight
reduction), take note of the above limits of
weight.

GEN
INFO
ALLGEMEINE ANGABEN
FAHRZEUGBESCHREIBUNG
1Kupplungshebel
2Warmstarthebel
3Handbremshebel
4Gasdrehgriff
5Kühlerverschlußdeckel
6Tankverschluß
7Motorstoppschalter “ENGINE STOP”
8Kickstarterhebel
9Kraftstofftank
0Kühler
AKühlflüssigkeits-Ablaßschraube
BFußbremshebel
CVentilverbindung
DKraftstoffhahn
EChokehebel
FAntriebskette
GLuftfilter
HFußschalthebel
IÖlmeßstab
JTeleskopgabel
HINWEIS:
 Die Abbildungen in vorliegender Anleitung
können leicht vom eigentlichen Modell
abweichen und dienen daher lediglich zur
Bezugnahme.
 Änderungen an Design und technischen
Daten jederzeit vorbehalten.
DESCRIPTION
FAHRZEUGBESCHREIBUNG
RENSEIGNEMENTS
GENERAUX
DESCRIPTION
1Levier d’embrayage
2Levier de démarrage à chaud
3Levier de frein avant
4Poignée des gaz
5Bouchon de radiateur
6Bouchon de réservoir de carburant
7Bouton “ENGINE STOP”
8Kick
9Réservoir de carburant
0Radiateur
ABoulon de vidange du liquide de refroidissement
BPédale de frein arrière
CClapet de reniflard
DRobinet de carburant
ECommande de départ à froid
FChaîne de transmission
GFiltre à air
HSélecteur
IJauge d’huile
JFourche
N.B.:
 Votre moto diffère peut-être partiellement de
celle montrée sur ces photos.
 La conception et les caractéristiques peuvent être
modifiées sans préavis.
1 - 1
1

SPEC
2 - 17
EC212300
ELECTRICAL
Item Standard Limit
Ignition system:
Advancer type Electrical ----
C.D.I.:
Magneto-model (stator)/manufacturer 5XD-00/YAMAHA ----
Source coil 1 resistance (color) 720 ~ 1,080 Ω at 20 °C (68 °F)
(Green – Brown)----
Source coil 2 resistance (color) 44 ~ 66 Ω at 20 °C (68 °F)
(Black – Pink)----
Pickup coil resistance (color) 248 ~ 372 Ω at 20 °C (68 °F)
(White – Red)----
CDI unit-model/manufacturer 5XD-50/YAMAHA (For USA)
5XD-60/YAMAHA (Except for
USA)----
----
Ignition coil:
Model/manufacturer 5TA-10/DENSO ----
Minimum spark gap 6 mm (0.24 in) ----
Primary winding resistance 0.08 ~ 0.10 Ω at 20 °C (68 °F) ----
Secondary winding resistance 4.6 ~ 6.8 kΩ at 20 °C (68 °F) ----
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Stator M6 × 1.0 3 10 1.0 7.2
Rotor M12 × 1.25 1 56 5.6 40
Neutral switch M5 × 0.8 2 4 0.4 2.9
MAINTENANCE SPECIFICATIONS

2 - 17
SPECCARACTERISTIQUES D’ENTRETIEN
CIRCUIT ELECTRIQUE
Elément Standard Limite
Système d’allumage:
Type de système d’avance Electrique ----
Allumage à décharge de condensateur (CDI):
Modèle de l’aimant (stator)/fabricant 5XD-00/YAMAHA ----
Résistance de la bobine d’alimentation 1
(couleur)720 à 1.080 Ω à 20 °C (68 °F)
(vert – brun)----
Résistance de la bobine d’alimentation 2
(couleur)44 à 66 Ω à 20 °C (68 °F)
(noir – rose)----
Résistance de la bobine d’excitation (couleur) 248 à 372 Ω à 20 °C (68 °F)
(blanc – rouge)----
Modèle/fabricant du boîtier CDI 5XD-50/YAMAHA (USA)
5XD-60/YAMAHA (sauf USA)----
----
Bobine d’allumage:
Modèle/fabricant 5TA-10/DENSO ----
Longueur d’étincelle minimum 6 mm (0,24 in) ----
Résistance de l’enroulement primaire 0,08 à 0,10 Ω à 20 °C (68 °F) ----
Résistance de l’enroulement secondaire 4,6 à 6,8 kΩ à 20 °C (68 °F) ----
Pièce à serrerDiamètre du
filetQtéCouple de serrage
Nm m·kg ft·lb
Stator M6 × 1,0 3 10 1,0 7,2
Rotor M12 × 1,25 1 56 5,6 40
Contacteur de point mort M5 × 0,8 2 4 0,4 2,9