2003 YAMAHA WR 250F torque

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Page 97 of 860

YAMAHA WR 250F 2003  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 18
SPEC
Starter relay:
Model/manufacturer 2768090-A/JIDECO ----
Amperage rating 180 A ----
Coil winding resistance 4.2 ~ 4.6 Ω at 20 °C (68 °F) ----
Starting circuit

Page 98 of 860

YAMAHA WR 250F 2003  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 292 of 860

YAMAHA WR 250F 2003  Owners Manual 3 - 101
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 394 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 69
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 540 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 215
ENGENGINE REMOVAL
2. Install:
Lock washer 
1 
Nut (drive sprocket) 
2 
NOTE:Tighten the nut while applying the
rear brake.
T R..75 Nm (7.5 m · kg, 54 ft · lb)
New
3. Bend the lock washer t

Page 662 of 860

YAMAHA WR 250F 2003  Owners Manual 5 - 85
CHASFRONT FORK
23. Install:
Cushion rubber 
1 
Washer 
2 
Spacer 
3 
To front fork cap bolt 
4.
NOTE:Install the cushion rubber with its
smaller dia.end 
a facing the front
fork cap bolt.
24

Page 664 of 860

YAMAHA WR 250F 2003  Owners Manual 5 - 87
CHASFRONT FORK
27. Install:
Front fork cap bolt 
1 
To outer tube.
NOTE:Temporarily tighten the cap bolt.
28. Install:
Protector guide 
1 
Installation
1. Install:
Front fork 
1 
NOTE:Tempo

Page 694 of 860

YAMAHA WR 250F 2003  Owners Manual 5 - 117
CHASSTEERING
12. Tighten:
Pinch bolt (upper bracket) 
1 
Pinch bolt (lower bracket) 
2 
CAUTION:
Tighten the lower bracket to speci-
fied torque. If torqued too much, it
may cause the front
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