2005 YAMAHA WR 450F stop start

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Page 648 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 6 - 1
–+ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000
ELECTRICAL COMPONENTS
1Headlight
2“ENGINE STOP” 
button
3Clutc

Page 649 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
ELEKTRISCHE 
ANLAGE
ELEKTRISCHE BAU-
TEILE UND SCHALTPLAN
ELEKTRISCHE BAUTEILE
1Scheinwerfer
2Motorstoppschalter “ENGINE STOP”
3Kupplungsschalter
4Diode
5Starter-Relais-Diode
6Drosselklap

Page 658 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 6 - 4
–+ELECIGNITION SYSTEM
SPARK GAP TEST
1. Disconnect the ignition coil from spark
plug.
2. Remove the ignition coil cap.
3. Connect the dynamic spark tester 1 (igni-
tion checker 2) as shown.
I

Page 659 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) –+ELEC
ZÜNDFUNKENSTRECKE 
KONTROLLIEREN
1. Das Zündkabel von der Zünd-
kerze abziehen.
2. Den Stecker von der Zündspule
abziehen.
3. Den Zündfunkenstrecken-Tester
1 (Zündungstester 2), wie in

Page 702 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 6 - 23
–+ELECTPS (THROTTLE POSITION SENSOR) SYSTEM
8. Tighten:
Screw (TPS) 1 
9. Stop the engine.
1
EC694000
TPS INPUT VOLTAGE INSPECTION
1. Disconnect the TPS coupler.
2. Start the engine.
3. Insp

Page 712 of 758

YAMAHA WR 450F 2005  Notices Demploi (in French) 7 - 2
TUN
CAUTION:
The carburetor is extremely sensitive to
foreign matter (dirt, sand, water, etc.).
During installation, do not allow foreign
matter to get into the carburetor.
Always handle the c
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