2006 YAMAHA WR 250F clock

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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 416 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 75
ENGCAMSHAFTS
3. Turn:
Crankshaft
Counterclockwise several
turns.
4. Check:
Rotor T.D.C. mark
Align with the crankcase align
mark.
Camshaft match marks
Align with the cylinder head
surface.
O

Page 524 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 183
ENGKICK SHAFT AND SHIFT SHAFT
REMOVAL POINTS
Kick shaft assembly
1. Remove:
Kick shaft assembly 
1 
NOTE:Unhook the torsion spring 
2 from
the hole 
a in the crankcase.
EC4C3101Shift guide an

Page 532 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 191
ENG
4. Install:
Kick shaft assembly 
1 
Washer 
2 
NOTE:Apply the molybdenum disulfide
grease on the contacting surfaces
of the kick shaft stopper 
a and
kick shaft ratchet wheel guide 
3.

Page 546 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 4 - 205
ENGAC MAGNETO AND STARTER CLUTCH
3. Check:
Starter clutch operation
Install the starter clutch drive
gear 
1 onto the starter clutch
2 and hold the starter clutch.
When turning the starter

Page 888 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 7 - 39
TUNSETTING
EC72H002Suspension setting
•Front fork
NOTE:•If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to
the adjustment

Page 889 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 7 - 40
TUNSETTING
•Rear shock absorber
NOTE:•If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to
the adjustment procedure given i
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