water pump YAMAHA WR 250F 2007 Betriebsanleitungen (in German)

YAMAHA WR 250F 2007 Betriebsanleitungen (in German) WR 250F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52333/w960_52333-0.png YAMAHA WR 250F 2007 Betriebsanleitungen (in German)

Page 22 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) CHAPTER 4
TUNING
ENGINE......................................  4-1
CHASSIS..................................  4-21
CHAPTER 5
ENGINE
RADIATOR.................................  5-1
CARBURETOR...........

Page 30 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 1 - 5
GEN
INFOIMPORTANT INFORMATION
EC130000
IMPORTANT 
INFORMATION
EC131010PREPARATION FOR REMOVAL 
AND DISASSEMBLY
1. Remove all dirt, mud, dust, and
foreign material before removal
and disassembly.

Page 102 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) MAINTENANCE SPECIFICATIONS
2 - 9
SPEC
Lubrication system:
Oil filter type Paper type ----
Oil pump type Trochoid type ----
Tip clearance 0.12 mm or less 
(0.0047 in or less)0.20 mm 
(0.008 in)
Side cl

Page 103 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) MAINTENANCE SPECIFICATIONS
2 - 10
SPEC
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Spark plug M10S × 1.0 1 13 1.3 9.4
Camshaft cap M6 × 1.0 10 10 1.0 7.2
Cylinder head b

Page 536 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 5 - 129
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
OIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Extent of removal:
1 Oil filter element removal
2 Water pump removal
3 Righ

Page 540 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 5 - 133
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Extent of removal Order Part name Q’ty Remarks
3 Water pump housing 1
4 Oil delivery pipe 1
5 Bolt (oil hose) 1
6 Kickstarter cran

Page 544 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 5 - 137
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
REMOVAL POINTS
Impeller shaft
1. Remove:
Impeller 
1 
Washer 
2 
Impeller shaft 
3 
NOTE:Hold the impeller shaft on its width
acr

Page 546 of 912

YAMAHA WR 250F 2007  Betriebsanleitungen (in German) 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  Betriebsanleitungen (in German) 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  Betriebsanleitungen (in German) 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
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