ignition YAMAHA WR 250F 2006 Notices Demploi (in French)

YAMAHA WR 250F 2006 Notices Demploi (in French) WR 250F 2006 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52334/w960_52334-0.png YAMAHA WR 250F 2006 Notices Demploi (in French)

Page 316 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 109
INSP
ADJ
2. Attach:
Timing light 
Inductive tachometer 
To the ignition coil lead
(orange lead 
1).
Timing light:
YM-33277-A/
90890-03141
1
3. Adjust:
Engine idling speed
Refer to “ENGINE

Page 336 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 129
INSP
ADJ
2. Check: 
Continuity
2Reserve fuse
Checking steps:
Remove the fuse 
1.
Connect the pocket tester to the
fuse and check the continuity.
NOTE:Set the pocket tester selector to
“

Page 560 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 219
ENGENGINE REMOVAL
Extent of removal:
1 Engine removal
Extent of removal Order Part name Q’ty Remarks
Ignition coil
Disconnect the AC magneto lead.
Starter motor lead Disconnect at the starte

Page 764 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 1
–+ELECELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC600000
ELECTRICAL
EC610000
ELECTRICAL COMPONENTS AND WIRING DIAGRAM
EC611000ELECTRICAL COMPONENTS
1Headlight
2Multi-function display
3Engine st

Page 766 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 3
–+ELECMAP-CONTROLLED CDI UNIT
MAP-CONTROLLED CDI UNIT
A map-controlled, CDI ignition system is used in the WR250F.
The microcomputer in the CDI unit detects the engine speed and throttle posit

Page 771 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 8
–+ELECIGNITION SYSTEM
EC620000
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to ignition system failure

Page 776 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 13
–+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 (ignition checker 
2) as
shown.

Page 778 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 15
–+ELECIGNITION SYSTEM
2. Inspect: 
•Rubber part 
a 
Tears/damage 
→ Replace.
a
MAIN SWITCH INSPECTION
1. Inspect:
•Main switch conduct
Continuous while the main switch is
moved to “OF

Page 780 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 17
–+ELECIGNITION SYSTEM
EC626002IGNITION COIL INSPECTION
1. Remove the ignition coil cap.
2. Inspect:
•Primary coil resistance
Out of specification 
→ 
Replace.
Tester (+) lead →
 Orange

Page 782 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 6 - 19
–+ELECIGNITION SYSTEM
AC MAGNETO INSPECTION
1. Inspect:
•Pickup coil resistance
Out of specification 
→ 
Replace.
Tester (+) lead →
 Red lead 1
 
Tester (–) lead →
 White lead 2
 
P
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