2004 YAMAHA WR 250F oil

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Page 490 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 165
ENGOIL PUMP
ASSEMBLY AND INSTALLATION
Oil pump
1. Install:
Oil pump drive shaft 
1 
Washer 
2 
Dowel pin 
3 
Inner rotor 1 
4 
NOTE:Apply the engine oil on the oil
pump drive shaft and in

Page 492 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 167
ENGOIL PUMP
5. Install:
Oil pump drive gear 
1 
Washer 
2 
Circlip 
3 
NOTE:Apply the engine oil on the oil pump
drive gear inner circumference.
New
5. Monteur:
Pignon menant de la pompe

Page 494 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 169
ENGKICK SHAFT AND SHIFT SHAFT
KICK SHAFT AND SHIFT SHAFT
Extent of removal:
1 Kick shaft removal
2 Kick shaft disassembly
3 Shift shaft removal
4 Segment removal
Extent of removal Order Part n

Page 504 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 179
ENGKICK SHAFT AND SHIFT SHAFT
EC4B4400Shift shaft
1. Inspect:
Shift shaft 
1 
Bend/damage 
→ Replace.
Spring 
2 
Broken 
→ Replace.
EC4C4100Shift guide and shift lever 
assembly
1. Inspe

Page 506 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 181
ENGKICK SHAFT AND SHIFT SHAFT
2. Install:
Shift lever assembly 
1 
To shift guide 
2.
3. Install:
Shift lever assembly 
1 
Shift guide 
2 
NOTE:The shift lever assembly is
installed at the

Page 508 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 183
ENGKICK SHAFT AND SHIFT SHAFT
2. Install:
Torsion spring 
1 
To kick shaft 
2.
NOTE:Make sure the stopper 
a of the tor-
sion spring fits into the hole 
b on the
kick shaft.
3. Install:
Spri

Page 510 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 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 514 of 864

YAMAHA WR 250F 2004  Owners Manual 4 - 189
ENGAC MAGNETO AND STARTER CLUTCH
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).
Extent of removal Order