2003 YAMAHA WR 450F ECO mode

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Page 4 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French)  
EC020000 
INTRODUCTION 
Congratulations on your purchase of a
Yamaha WR series. This model is the culmina-
tion of Yamaha’s vast experience in the pro-
duction of pacesetting racing machines. It
r

Page 10 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French)  
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 c

Page 60 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 1 - 15
GEN
INFO
STARTING AND BREAK-IN
STARTING AND BREAK-IN
WARNING
Never start or run the engine in a closed
area. The exhaust fumes are poisonous;
they can cause loss of consciousness and
death in a

Page 61 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) GEN
INFO
MISE EN MARCHE ET RODAGE
ANLASSEN UND EINFAHREN
ARRANQUE Y RODAJE
ANLASSEN UND EINFAH-
REN
WARNUNG
Den Motor keinesfalls in geschlos-
senen Räumen anlassen und be-
treiben. Abgase sind äuß

Page 62 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) 1 - 16
GEN
INFO
STARTING AND BREAK-IN
NOTE:
If the engine fails to start by pushing the start
switch, release the switch, wait a few seconds,
and then try again. Each starting attempt
should be as sho

Page 63 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) GEN
INFO
MISE EN MARCHE ET RODAGE
ANLASSEN UND EINFAHREN
ARRANQUE Y RODAJE
HINWEIS:
Wenn der Motor beim Drücken des
Startschalters nicht anspringt, den
Schalter loslassen, einige Sekunden
warten, und

Page 93 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) SPEC
2 - 18
MAINTENANCE SPECIFICATIONS
EC212300
ELECTRICAL
Item Standard Limit
Ignition system:
Advancer type Electrical ----
C.D.I.:
Pickup coil resistance (color) 248 ~ 372 Ω at 20 ˚C (68 ˚F) 
(

Page 94 of 754

YAMAHA WR 450F 2003  Notices Demploi (in French) SPEC
 
2 - 19 
MAINTENANCE SPECIFICATIONS
NOTE:
 
Tighten the rotor nut to 65 Nm (6.5 m·kg, 47 ft·lb), loosen and retighten the rotor nut to 65 Nm 
(6.5 m·kg, 47 ft·lb). Starter relay:
Model/manuf
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