2007 YAMAHA WR 450F stop start

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Page 682 of 794

YAMAHA WR 450F 2007  Notices Demploi (in French) 6 - 3
–+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.

Page 683 of 794

YAMAHA WR 450F 2007  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 726 of 794

YAMAHA WR 450F 2007  Notices Demploi (in French) 6 - 22
–+ELECTPS (THROTTLE POSITION SENSOR) SYSTEM
10. Put the aligning marks a on the TPS and
carburetor.
11. Stop the engine.
12. Remove the carburetor.
a
13. Tighten:
•Screw (TPS) 1 
NOTE:
Tigh

Page 748 of 794

YAMAHA WR 450F 2007  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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