2003 YAMAHA WR 250F clutch

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Page 207 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 16
INSP
ADJ
PRE-OPERATION INSPECTION AND MAINTENANCE
EC320000
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice or a race, make sure the machine is in good op

Page 220 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 29
INSP
ADJ
3. Inspect:
Pressure
Impossible to maintain the
specified pressure for 10 sec-
onds 
→ Replace.
COOLING SYSTEM INSPECTION
1. Inspect:
Coolant level
2. Attach:
Radiator cap tester

Page 222 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 31
INSP
ADJ
2. Adjust:
Clutch lever free play
NOTE:Make minute adjustment on the
lever side using the adjuster 
2.
After adjustment, check proper
operation of clutch lever. Clutch lever free pl

Page 230 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 39
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 232 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 41
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 296 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 105
INSP
ADJ
GRAISSAGE
Pour assurer le bon fonctionnement de
tous les organes, graisser la machine lors
du montage, après le rodage et après cha-
que course.
1
Tous les câbles de commande
2
Piv

Page 442 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 4 - 117
ENGCLUTCH
EC4A0000
CLUTCH
Extent of removal:
1 Push rod 1, 2 and push lever shaft removal
2 Push pod 1 disassembly
3 Friction plate and clutch plate removal
4 Primary driven gear removal
Exten

Page 446 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 4 - 121
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
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