water pump YAMAHA WR 250F 2004 Betriebsanleitungen (in German)

YAMAHA WR 250F 2004 Betriebsanleitungen (in German) WR 250F 2004 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52336/w960_52336-0.png YAMAHA WR 250F 2004 Betriebsanleitungen (in German)

Page 22 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) CHAPTER 4
ENGINE
SEAT, FUEL TANK AND SIDE 
COVERS.....................................  4-1
EXHAUST PIPE AND 
SILENCER..................................  4-7
RADIATOR...............................  4

Page 30 of 864

YAMAHA WR 250F 2004  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 88 of 864

YAMAHA WR 250F 2004  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 89 of 864

YAMAHA WR 250F 2004  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 460 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 135
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 464 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 139
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 468 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 143
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 470 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 145
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 472 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 147
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 474 of 864

YAMAHA WR 250F 2004  Betriebsanleitungen (in German) 4 - 149
ENGOIL FILTER ELEMENT, WATER PUMP AND RIGHT CRANKCASE COVER
Kickstarter crank
1. Install:
Kickstarter crank 
1 
Washer 
2 
Bolt (kickstarter crank) 
3 
NOTE:Install the kickstarter crank so
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