bolt pattern YAMAHA WR 250F 2003 Owners Manual

YAMAHA WR 250F 2003 Owners Manual WR 250F 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52337/w960_52337-0.png YAMAHA WR 250F 2003 Owners Manual

Page 384 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 59
ENGCAMSHAFTS
REMOVAL POINTS
Camshaft
1. Remove:
Timing mark accessing screw
1 
Crankshaft end accessing
screw 
2 
2. Align:
T.D.C. mark
With align mark.
Checking steps:
Turn the crankshaft

Page 388 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 63
ENGCAMSHAFTS
4. Measure:
Camshaft-to-cap clearance 
Out of specification 
→ Mea-
sure camshaft outside diame-
ter. 
5. Measure: 
Camshaft outside diameter 
a 
Out of specification 
→ 
Rep

Page 392 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 67
ENGCAMSHAFTS
Fit the timing chain 
3 onto both
camshaft sprockets and install
the camshafts on the cylinder
head.
NOTE:The camshafts should be installed
onto the cylinder head so that the
punc

Page 458 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 133
ENGCLUTCH
8. Install:
Pressure plate 
1 
9. Install:
Clutch spring 
1 
Bolt (clutch spring) 
2 
NOTE:Tighten the bolts in stage, using a
crisscross pattern.
T R..8 Nm (0.8 m · kg, 5.8 ft Â

Page 472 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 147
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Impeller shaft
1. Install:
Impeller shaft 
1 
Washer 
2 
Impeller 
3 
NOTE:Take care so that the oil seal lip is
not damaged or

Page 524 of 860

YAMAHA WR 250F 2003  Owners Manual 4 - 199
ENGAC MAGNETO AND STARTER CLUTCH
6. Install:
Woodruff key 
1 
Rotor 
2 
NOTE:Clean the tapered portions of the
crankshaft and rotor.
When installing the woodruff key,
make sure that its fl

Page 590 of 860

YAMAHA WR 250F 2003  Owners Manual 5 - 13
CHASFRONT WHEEL AND REAR WHEEL
EC595000ASSEMBLY AND INSTALLATION
Front wheel
1. Install:
Bearing (left) 
1 
Spacer 
2 
Bearing (right) 
3 
Oil seal 
4 
NOTE:Apply the lithium soap base gre

Page 596 of 860

YAMAHA WR 250F 2003  Owners Manual 5 - 19
CHASFRONT WHEEL AND REAR WHEEL
2. Install:
Brake disc 
1 
Bolt (brake disc) 
2 
NOTE:Tighten the bolts in stage, using a
crisscross pattern.
T R..14 Nm (1.4 m · kg, 10 ft · lb)
3. Install: