2006 YAMAHA WR 250F drain bolt

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Page 26 of 900

YAMAHA WR 250F 2006  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 900

YAMAHA WR 250F 2006  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 900

YAMAHA WR 250F 2006  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 11
SPEC
NOTE:
 - marked portion shall be checked for torque tightening after break-in or before each race. Silencer M8 × 1.25 2 35 3.5 25
Silencer clamp M8 × 1.25 1 16

Page 228 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 21
INSP
ADJ
EC350000
ENGINE
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
blow

Page 230 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 23
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 250 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 43
INSP
ADJ
4. Remove:
Oil tank cap 
1 
Oil filler cap 
2 
Frame oil drain bolt 
3 
Crankcase oil drain bolt 
4 
Oil filter element drain bolt 
5 
Drain the crankcase and oil
tank (frame) of

Page 252 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 45
INSP
ADJ
8. Install:
Copper washer 
1 
Oil strainer (frame) 
2 
Oil hose 
3 
Bolt (oil hose) 
4 
Oil hose clamp 
5 
Lower engine bracket
9. Install:
Copper washer
Oil filter element dra

Page 278 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 71
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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