clutch YAMAHA WR 250F 2007 Owner's Manual

YAMAHA WR 250F 2007 Owner's Manual WR 250F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52333/w960_52333-0.png YAMAHA WR 250F 2007 Owner's Manual

Page 262 of 912

YAMAHA WR 250F 2007 Owners Manual 3 - 51
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
1. Start the engine, warm it up for
several minutes, and then turn
off the engine and wait for five
minutes.
2. Place the machine on a level
place and hold

Page 264 of 912

YAMAHA WR 250F 2007 Owners Manual 3 - 53
INSP
ADJ
(Except for USA and CDN)
CAUTION:
Do not add any chemical addi-
tives or use oils with a grade of
CD a or higher.
Do not use oils labeled
“ENERGY CONSERVING II” b
or higher. Engi

Page 330 of 912

YAMAHA WR 250F 2007 Owners Manual 3 - 119
INSP
ADJ
LUBRIFICATION
Pour assurer le bon fonctionnement de
tous les organes, lubrifier la moto avant
la première utilisation, après le rodage,
ainsi qu’après chaque utilisation.
1
Tous

Page 518 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 111
ENGCLUTCH
EC4A0000
CLUTCH
Extent of removal:
1 Push rod 1, 2 and push lever shaft removal
2 Push rod 1 disassembly
3 Friction plate and clutch plate removal
4 Primary driven gear removal
Exten

Page 522 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 115
ENGCLUTCH
Extent of removal Order Part name Q’ty Remarks
10 Friction plate 9
11 Clutch plate  8
12 Cushion spring 1
13 Seat plate 1
14 Nut (clutch boss) 1
Use special tool.
Refer to “REMOV

Page 526 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 119
ENGCLUTCH
EC4A3000REMOVAL POINTS
Clutch boss
1. Remove:
Nut 
1 
Lock washer 
2 
Clutch boss 
3 
NOTE:Straighten the lock washer tab and
use the clutch holding tool 
4 to hold
the clutch bos

Page 528 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 121
ENGCLUTCH
Friction plate
1. Measure:
Friction plate thickness
Out of specification 
→ 
Replace friction plate as a set.
Measure at all four points.
Friction plate thickness:
2.9 ~ 3.1 mm 
(

Page 530 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 123
ENGCLUTCH
EC4A5000ASSEMBLY AND INSTALLATION
Push lever shaft
1. Install:
Push lever shaft 
1 
Bolt (push lever shaft) 
2 
NOTE:Apply the lithium soap base grease
on the oil seal lip.
Apply

Page 532 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 125
ENGCLUTCH
4. Install:
Seat plate 
1 
Cushion spring 
2 
NOTE:Install the seat plate with its cham-
fered portion 
a facing the clutch
boss 
3.
Install the seat plate so that it is not
caug

Page 534 of 912

YAMAHA WR 250F 2007 Owners Manual 5 - 127
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..10 Nm (1.0 m · kg, 7.2 ft