2017 YAMAHA WR 250F Owners Manual

Page 313 of 432

YAMAHA WR 250F 2017  Owners Manual TRANSMISSION
6-84
3. Install:
• Washer “1”
• Circlip “2” 
TIP
• Be sure the circlip sharp-edged corner “a” is 
positioned opposite side to the washer and 
gear “b”.
• Install t

Page 314 of 432

YAMAHA WR 250F 2017  Owners Manual TRANSMISSION
6-85
7. Install:
• Long shift fork guide bar “1”
• Short shift fork guide bar “2”
• Spring “3”
TIP
• Screw the spring into the shift fork guide bar 
lightly beforehand

Page 315 of 432

YAMAHA WR 250F 2017  Owners Manual 7
COOLING SYSTEM
RADIATOR....................................................................................................... 7-1
HANDLING NOTE .....................................................

Page 316 of 432

YAMAHA WR 250F 2017  Owners Manual RADIATOR
7-1
EAS2GBB328
TIP
This section is intended for those who have basic knowledge and skill concerning the servicing of 
Yamaha motorcycles (e.g., Yamaha dealers, service engineers, etc.). Those

Page 317 of 432

YAMAHA WR 250F 2017  Owners Manual RADIATOR
7-2
4 Right radiator 1
5 Radiator hose 2 1
6 Radiator hose 3 1
7 Radiator hose 4 1
8 Radiator pipe 2 1
9 Radiator breather hose 1
10 Left radiator 1
11 Radiator hose 1 1
12 Radiator pipe 1 1

Page 318 of 432

YAMAHA WR 250F 2017  Owners Manual RADIATOR
7-3
EAS2GBB330HANDLING NOTEEWA
WARNING
If coolant seems hot, do not remove the ra-
diator cap.
EAS2GBB331CHECKING THE RADIATOR
1. Check:
• Radiator fins “1”
Obstructions  Clean.
Appl

Page 319 of 432

YAMAHA WR 250F 2017  Owners Manual WATER PUMP
7-4
EAS2GBB332
WATER PUMP
Removing the water pump
Order Part name Q’ty Remarks
CoolantDrain.
Refer to “CHANGING THE COOLANT” on 
page 3-10.
Engine oilDrain.
Refer to “CHANGING THE E

Page 320 of 432

YAMAHA WR 250F 2017  Owners Manual WATER PUMP
7-5
10 Bearing 1
11 Oil seal 1
For installation, reverse the removal proce-
dure.
Removing the water pump
Order Part name Q’ty Remarks
9
8
2
2
3
1
10
6
7
5
4
4
10 Nm (1.0 mkgf, 7.2 ftIbf)