2006 YAMAHA WR 250F light

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Page 340 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 133
INSP
ADJELECTRICAL
ADJUSTING THE HEADLIGHT 
BEAMS
1. Adjust:
Headlight beam (vertically)
Adjusting steps:
Turn the adjusting screw 
1 in
direction 
a or 
b.
Direction 
a Headlight beam is 
r

Page 342 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 1
ENGSEAT, FUEL TANK AND SIDE COVERS
EC400000
ENGINE
SEAT, FUEL TANK AND SIDE COVERS
Extent of removal:
1 Seat removal
2 Fuel tank removal
3 Side covers removal
4 Headlight removal
Extent of remov

Page 386 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 45
ENGCARBURETOR
15. Install:
Jet needle 
1 
Collar 
2 
Spring 
3 
Needle holder 
4 
Throttle valve plate 
5 
To throttle valve 
6.5
6
1
2
3
4
16. Install:
Throttle valve assembly 
1 
Screw

Page 412 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 71
ENGCAMSHAFTS
Decompression system
1. Check:
Decompression system
Checking steps:
Check that the decompression
mechanism cam 
1 moves
smoothly.
Check that the decompression
mechanism cam leve

Page 414 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 73
ENGCAMSHAFTS
Fit the timing chain 
3 onto both
camshaft sprockets and install
the camshafts on the cylinder
head.
NOTE:The camshafts should be installed
onto the cylinder head so that the
punc

Page 440 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 99
ENGVALVES AND VALVE SPRINGS
9. Lap:
Valve face
Valve seat
NOTE:After refacing the valve seat or
replacing the valve and valve guide,
the valve seat and valve face should
be lapped.
Lapping st

Page 446 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 105
ENGVALVES AND VALVE SPRINGS
4. To secure the valve cotters onto
the valve stem, lightly tap the
valve tip with a piece of wood.
CAUTION:
Hitting the valve tip with excessive
force could damage

Page 582 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 241
ENGCRANKCASE AND CRANKSHAFT
REMOVAL POINTS
Crankcase
1. Separate:
Right crankcase
Left crankcase
Separation steps:
Remove the crankcase bolts 
1,
hose guide 
2 and clutch cable
holder 
3.
N