2014 YAMAHA WR 250F torque

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Page 10 of 230

YAMAHA WR 250F 2014  Owners Manual CONTENTS
CHAPTER 1
GENERAL INFOR-
MATION
LOCATION OF 
IMPORTANT LABELS ..... 1-1
DESCRIPTION ................. 1-4
CONSUMER 
INFORMATION................. 1-5
INCLUDED PARTS .......... 1-5
IMPORTANT 
I

Page 29 of 230

YAMAHA WR 250F 2014  Owners Manual 1-19
STARTING AND BREAK-IN
Observe the following break-in 
procedures during initial operation 
to ensure optimum performance 
and avoid engine damage.
BREAK-IN PROCEDURES
1. Before starting the engin

Page 30 of 230

YAMAHA WR 250F 2014  Owners Manual 1-20
TORQUE-CHECK POINTS
TORQUE-CHECK POINTS
Concerning the tightening torque, refer to "TIGHTENING TORQUES" section in the CHAPTER 2.
Frame construction Frame to rear frame
Combined seat and fuel tan

Page 43 of 230

YAMAHA WR 250F 2014  Owners Manual 2-12
TIGHTENING TORQUES
TIGHTENING TORQUES
ENGINE
△- marked portion shall be checked for torque tightening after break-in or before each race.
ItemThread 
sizeQty Tightening torque Remarks
Spark pl

Page 44 of 230

YAMAHA WR 250F 2014  Owners Manual 2-13
TIGHTENING TORQUES
Throttle cable adjust bolt and locknut M6 1 4 Nm (0.4 m•kg, 2.9 ft•lb)
Throttle cable (pull) M6 1 4 Nm (0.4 m•kg, 2.9 ft•lb)
Throttle cable (return) M12 1 11 Nm (1.1 m

Page 45 of 230

YAMAHA WR 250F 2014  Owners Manual 2-14
TIGHTENING TORQUES
CHASSIS
△- marked portion shall be checked for torque tightening after break-in or before each race.
ItemThread 
sizeQty Tightening torque Remarks
△Upper bracket and outer

Page 46 of 230

YAMAHA WR 250F 2014  Owners Manual 2-15
TIGHTENING TORQUES
△Front brake disc M6 6 12 Nm (1.2 m•kg, 8.7 ft•lb)
△Rear brake disc M6 6 14 Nm (1.4 m•kg, 10 ft•lb)
△Brake pedal M8 1 26 Nm (2.6 m•kg, 19 ft•lb)
△Rear brake

Page 47 of 230

YAMAHA WR 250F 2014  Owners Manual 2-16
TIGHTENING TORQUES
1. First, tighten the steering ring nut approximately 38 Nm (3.8 m•kg, 27 ft•lb) by using the steering nut wrench, then loosen 
the steering ring nut one turn.
2. Retighten
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