light YAMAHA WR 250F 2004 Owner's Guide

YAMAHA WR 250F 2004 Owner's Guide WR 250F 2004 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52336/w960_52336-0.png YAMAHA WR 250F 2004 Owner's Guide

Page 424 of 864

YAMAHA WR 250F 2004 Owners Guide 4 - 99
ENGVALVES AND VALVE SPRINGS
4. To secure the valve cotters onto
the valve stem, lightly tap the
valve tip with a piece of wood.
CAUTION:
Hitting the valve tip with excessive
force could damage

Page 558 of 864

YAMAHA WR 250F 2004 Owners Guide 4 - 233
ENGCRANKCASE AND CRANKSHAFT
REMOVAL POINTS
Crankcase
1. Separate:
Right crankcase
Left crankcase
Separation steps:
Remove the crankcase bolts 
1,
hose guide 
2 and clutch cable
holder 
3.
N

Page 566 of 864

YAMAHA WR 250F 2004 Owners Guide 4 - 241
ENGCRANKCASE AND CRANKSHAFT
2. Check:
Shifter operation
Transmission operation
Unsmooth operation 
→ 
Repair.
3. Install:
Oil strainer 
1 
Bolt (oil strainer) 
2 
T R..10 Nm (1.0 m · kg

Page 574 of 864

YAMAHA WR 250F 2004 Owners Guide 4 - 249
ENGTRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H3000REMOVAL POINTSEC4H3230Transmission
1. Remove:
Main axle 
1 
Drive axle 
2 
Shift cam
Shift fork 3 
Shift fork 2 
Shift fork 1 
NOTE:Rem

Page 626 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 45
CHASFRONT BRAKE AND REAR BRAKE
2. Install:
Piston seal 
1 
Dust seal 
2 
WARNING
Always use new piston seals and
dust seals.
NOTE:Fit the piston seals and dust seals
onto the slot on brake ca

Page 632 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 51
CHASFRONT BRAKE AND REAR BRAKE
Front brake master cylinder
1. Install:
Brake master cylinder 
1 
Brake master cylinder bracket
2 
Bolt (brake master cylinder
bracket) 
3 
NOTE:Install the b

Page 636 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 55
CHASFRONT BRAKE AND REAR BRAKE
3. Pass the brake hose through the
front brake hose guide 
1, then
through the guide 
a on the pro-
tector 
2.
4. Install:
Copper washer 
1 
Brake hose 
2 
Uni

Page 642 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 61
CHASFRONT FORK
EC550000
FRONT FORK
Extent of removal:
1 Front fork removal 
Extent of removal Order Part name Q’ty Remarks
FRONT FORK REMOVAL
WARNING
Support the machine securely so there is

Page 672 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 91
CHASHANDLEBAR
EC5B0000
HANDLEBAR
Extent of removal:
1 Handlebar removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removal
HANDLEBAR REMOVAL
Headlight
1 Hot starter cable

Page 684 of 864

YAMAHA WR 250F 2004 Owners Guide 5 - 103
CHASSTEERING
EC560000
STEERING
Extent of removal:
1 Lower bracket removal
2 Bearing removal 
Extent of removal Order Part name Q’ty Remarks
STEERING REMOVAL
WARNING
Support the machine secur
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