2007 YAMAHA WR 250F torque

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Page 111 of 912

YAMAHA WR 250F 2007  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 18
SPEC
NOTE:
Tighten the rotor nut to 65 Nm (6.5 m  kg, 47 ft  lb), loosen and retighten the rotor nut to 65 Nm
(6.5 m  kg, 47 ft  lb). Starter relay:
Model/manufac

Page 112 of 912

YAMAHA WR 250F 2007  Owners Manual 2 - 19
GENERAL TORQUE SPECIFICATIONS/
DEFINITION OF UNITS
SPEC
EC220001
GENERAL TORQUE SPECIFICATIONS
This chart specifies torque for standard fasten-
ers with standard I.S.O. pitch threads. Torque
sp

Page 324 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 113
INSP
ADJ
2. Inspect:
Bearing free play
Exist play 
→ Replace.
EC36U013STEERING HEAD INSPECTION 
AND ADJUSTMENT
1. Elevate the front wheel by plac-
ing a suitable stand under the
engine.
2.

Page 398 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 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 pro

Page 468 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 61
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 470 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 63
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 592 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 185
ENGAC MAGNETO AND STARTER CLUTCH
AC MAGNETO AND STARTER CLUTCH
Extent of removal:
1 Starter clutch/wheel gear removal
2 Rotor removal
3 Pickup coil/stator removal
Extent of removal Order Part

Page 604 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 197
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
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