2007 YAMAHA WR 250F stop start

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Page 270 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 59
INSP
ADJ
OIL PRESSURE INSPECTION
1. Check:
Oil pressure
Checking steps:
Slightly loosen the oil pressure
check bolt 
1.
Start the engine and keep it
idling until oil starts to seep from
the

Page 362 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 3
TUNSETTING
CAUTION:
The carburetor is extremely sen-
sitive to foreign matter (dirt,
sand, water, etc.). During instal-
lation, do not allow foreign mat-
ter to get into the carburetor.
Always

Page 429 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 22
ENG
HANDHABUNGSHINWEISE
ACHTUNG:
Die Drosselklappensensor-Schrau-
ben 1 dürfen nicht gelokkert wer-
den, außer wenn der Drosselklap-
pensensor wegen Fehlfunktion zu
erneuern ist, weil das ein

Page 434 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 27
ENGCARBURETOR
2. Inspect:
Throttle shaft 
1 
Spring 
2 
Lever 1 
3 
Spring 1 
4 
Lever 2 
5 
Spring 2 
6 
Dirt 
→ Clean.12
3456
Air cut valve
1. Inspect:
Diaphragm (air cut valve) 
1

Page 436 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 29
ENGCARBURETOR
6. Install:
Washer 
1 
Circlip 
2 
21
7. Install:
Spring 
1 
To throttle shaft 
2.
NOTE:Install the bigger hook 
a of the
spring fits on the stopper b of the
throttle shaft pul

Page 588 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 181
ENGKICK SHAFT AND SHIFT SHAFT
Shift shaft
1. Install:
Roller 
1 
Collar 
2 
Torsion spring 
3 
Shift shaft 
4 
NOTE:Apply the engine oil on the roller and
shift shaft.
2. Install:
Shift p

Page 754 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 91
CHASHANDLEBAR
EC5B0000
HANDLEBAR
Extent of removal:
1 Handlebar removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalHANDLEBAR REMOVAL
Headlight
1 Hot starter cable 1

Page 755 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 92
CHAS
GUIDON
Organisation de la dépose:1 Dépose du guidon
Organisation de la dépose Ordre Nom de la pièce QtéRemarques
Préparation à la déposeDEPOSE DU GUIDON
Phare
1Câble de démarrage