Carburetor YAMAHA WR 250F 2006 Owners Manual

YAMAHA WR 250F 2006 Owners Manual WR 250F 2006 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52334/w960_52334-0.png YAMAHA WR 250F 2006 Owners Manual

Page 22 of 900

YAMAHA WR 250F 2006  Owners Manual CHAPTER 4
ENGINE
SEAT, FUEL TANK AND SIDE 
COVERS.....................................  4-1
EXHAUST PIPE AND 
SILENCER..................................  4-7
RADIATOR...............................  4

Page 56 of 900

YAMAHA WR 250F 2006  Owners Manual 1 - 31
GEN
INFO
FUEL COCK
The fuel cock supplies fuel from the
tank to carburetor and also filters the
fuel. The fuel cock has three posi-
tions:
OFF: With the lever in this position,
fuel will not fl

Page 76 of 900

YAMAHA WR 250F 2006  Owners Manual 1 - 51
GEN
INFO
STARTING AND 
BREAK-IN
WARNING
Never start or run the engine in a
closed area. The exhaust fumes
are poisonous; they can cause
loss of consciousness and death
in a very short time. Alw

Page 92 of 900

YAMAHA WR 250F 2006  Owners Manual 1 - 67
GEN
INFO
EC1B2001STORAGE
If your machine is to be stored for 60
days or more, some preventive mea-
sures must be taken to avoid deterio-
ration. After cleaning the machine
thoroughly, prepare i

Page 95 of 900

YAMAHA WR 250F 2006  Owners Manual GENERAL SPECIFICATIONS
2 - 2
SPEC
Oil capacity:
Engine oil
Periodic oil change 1.2 L (1.06 Imp qt, 1.27 US qt)
With oil filter replacement 1.3 L (1.14 Imp qt, 1.37 US qt)
Total amount 1.4 L (1.23 Imp

Page 101 of 900

YAMAHA WR 250F 2006  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 8
SPEC
Clutch:
Friction plate thickness 2.9 ~ 3.1 mm (0.114 ~ 0.122 in) 2.7 mm 
(0.106 in)
Quantity 9 ----
Clutch plate thickness 1.1 ~ 1.3 mm (0.043 ~ 0.051 in) ----
Qu

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 190 of 900

YAMAHA WR 250F 2006  Owners Manual SPEC
2 - 97
CABLE ROUTING DIAGRAM
EC240000
CABLE ROUTING DIAGRAM
1Fuel tank breather hose
2Oil tank breather hose
3Clamp
4Diode
5Wire harness
6Hot starter cable
7Cylinder head breather hose
8Throttle

Page 192 of 900

YAMAHA WR 250F 2006  Owners Manual SPEC
2 - 99
CABLE ROUTING DIAGRAM
ÊFasten the diode (at the white tape), rectifier/regulator lead,
CDI unit lead (at the protecting tube) and AC magneto coupler
(connected to the CDI unit).
ËFasten

Page 194 of 900

YAMAHA WR 250F 2006  Owners Manual SPEC
2 - 101
CABLE ROUTING DIAGRAM
×Pass the wire harness on the outside of the neutral switch lead
and AC magneto lead.
ØPass the clutch cable through the cable guides.
ÙPass the wire harness and
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