2007 YAMAHA WR 250F drain bolt

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Page 26 of 912

YAMAHA WR 250F 2007  Owners Manual 1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Multi-function display
5Main switch
6Start switch
7Front brake lever
8

Page 103 of 912

YAMAHA WR 250F 2007  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 10
SPEC
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Spark plug M10S × 1.0 1 13 1.3 9.4
Camshaft cap M6 × 1.0 10 10 1.0 7.2
Cylinder head b

Page 104 of 912

YAMAHA WR 250F 2007  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 11
SPEC
NOTE:
 - marked portion shall be checked for torque tightening after break-in. Hot starter cable adjust bolt and locknut M6 × 0.75 1 4 0.4 2.9
Air filter case M

Page 244 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 33
INSP
ADJ
COOLANT LEVEL INSPECTION
WARNING
Do not remove the radiator cap 1,
drain bolt and hoses when the
engine and radiator are hot. Scald-
ing hot fluid and steam may be
blown out under pres

Page 246 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 35
INSP
ADJ
COOLANT REPLACEMENT
WARNING
Do not remove the radiator cap
when the engine is hot.
CAUTION:
Take care so that coolant does not
splash on painted surfaces. If it
splashes, wash it away

Page 266 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 55
INSP
ADJ
4. Remove:
Engine guard 
1 
Bolt (oil tank) 
2 
Washer 
3 
Oil filler cap 
4 
Oil tank drain bolt 
5 
Crankcase oil drain bolt 
6 
Oil filter element drain bolt 
7 
Drain the cr

Page 268 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 57
INSP
ADJ
8. Install:
O-ring 
1 
Oil strainer 
2 
Oil hose
Bolt (oil hose)
Oil hose clamp
9. Install:
Copper washer
Oil filter element drain bolt
Crankcase oil drain bolt
Oil tank drain

Page 294 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 83
INSP
ADJ
Loosen the pad pin 
2.
Remove the brake caliper 
3
from the front fork.
Remove the pad pin and brake
pads 
4.
Connect the transparent hose
5 to the bleed screw 
6 and
place the sui
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