Oil YAMAHA WR 250F 2007 Manual PDF

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

Page 546 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 139
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
EC444300Impeller shaft gear
1. Inspect:
Gear teeth 
a 
Wear/damage 
→ Replace.
EC4H4600Bearing
1. Inspect:
Bearing
Rotate inner

Page 548 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 141
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 550 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 143
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Kickstarter crank
1. Install:
Kickstarter crank 
1 
Washer
Bolt (kickstarter crank)
NOTE:Install so that there is a clearance 
a

Page 552 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 145
ENGBALANCER
BALANCER
Extent of removal:
1 Balancer shaft drive gear
2 Balancer shaft
Extent of removal Order Part name Q’ty Remarks
BALANCER REMOVAL
Preparation for removal Primary driven ge

Page 558 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 151
ENGBALANCER
ASSEMBLY AND INSTALLATION
Balancer shaft, balancer shaft 
drive gear and balancer shaft 
driven gear
1. Install:
Balancer shaft 
1 
NOTE:Apply the engine oil on the bear-
ing.
W

Page 560 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 153
ENGOIL PUMP
OIL PUMP
Extent of removal:
1 Oil pump removal
2 Oil pump disassembly
Extent of removal Order Part name Q’ty Remarks
OIL PUMP REMOVAL AND 
DISASSEMBLY
Preparation for removal Pri

Page 564 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 157
ENGOIL TANK
OIL TANK
Extent of removal:
1 Oil tank removal
Extent of removal Order Part name Q’ty Remarks
OIL TANK REMOVAL
Preparation for removal Drain the engine oil. Refer to “ENGINE OI

Page 568 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 161
ENGOIL TANK
INSPECTION
Oil pump
1. Inspect:
Oil pump drive gear 
1 
Oil pump drive shaft 
2 
Rotor housing 
3 
Oil pump cover 
4 
Cracks/wear/damage 
→ 
Replace.1
32
4
2. Measure:
Tip c

Page 570 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 163
ENGOIL TANK
ASSEMBLY AND INSTALLATION
Oil pump
1. Install:
Oil pump drive shaft 
1 
Washer 
2 
Dowel pin 
3 
Inner rotor 1 
4 
NOTE:Apply the engine oil on the oil
pump drive shaft and in

Page 572 of 912

YAMAHA WR 250F 2007 Manual PDF 5 - 165
ENGOIL TANK
5. Install:
Oil pump drive gear 
1 
Washer 
2 
Circlip 
3 
NOTE:Apply the engine oil on the oil pump
drive gear inner circumference.
New
5. Monter:
Pignon menant de pompe à hu