clutch YAMAHA WR 250F 2014 Owners Manual

YAMAHA WR 250F 2014 Owners Manual WR 250F 2014 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52298/w960_52298-0.png YAMAHA WR 250F 2014 Owners Manual

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 14 of 230

YAMAHA WR 250F 2014  Owners Manual 1-4
DESCRIPTION
DESCRIPTION
• The machine you have purchased may differ slightly from those shown in the following.
• Designs and specifications are subject to change without notice.
1. Clutch lev

Page 19 of 230

YAMAHA WR 250F 2014  Owners Manual 1-9
SPECIAL TOOLS
Timing light
YU-03141, 90890-03141 This tool is necessary for checking 
ignition timing.
Valve spring compressor
YM-04019, 90890-04019 This tool is needed to remove and 
install the

Page 22 of 230

YAMAHA WR 250F 2014  Owners Manual 1-12
CONTROL FUNCTIONS
CONTROL FUNCTIONS
MAIN SWITCH
Functions of the respective switch po-
sitions are as follows:
ON:
The engine can be started only at this 
position.
OFF:
All electrical circuits a

Page 28 of 230

YAMAHA WR 250F 2014  Owners Manual 1-18
STARTING AND BREAK-IN
STARTING AND BREAK-IN
FUEL
Always use the recommended fuel as 
stated below. Also, be sure to use 
new gasoline.
Use only unleaded gasoline. The 
use of leaded gasoline will

Page 33 of 230

YAMAHA WR 250F 2014  Owners Manual 2-2
GENERAL SPECIFICATIONS
Fuel:
Type Premium unleaded gasoline only with a research octane 
number of 95 or higher.
Tank capacity 8.0 L (1.76 Imp gal, 2.11 US gal)
Reserve 1.1 L (0.24 Imp gal, 0.29 U

Page 38 of 230

YAMAHA WR 250F 2014  Owners Manual 2-7
MAINTENANCE SPECIFICATIONS
Oil ring:
Dimensions (B × T) 1.50 × 2.25 mm (0.06 × 0.09 in) ----
End gap (installed) 0.10–0.40 mm (0.0039–0.0157 in) ----
Crankshaft:
Crank width "A" 55.95–56.

Page 41 of 230

YAMAHA WR 250F 2014  Owners Manual 2-10
MAINTENANCE SPECIFICATIONS
ELECTRICALFront disc brake:
Disc outside dia.×Thickness 250 × 3.0 mm (9.84 × 0.12 in) 250 × 2.5 mm 
(9.84 × 0.10 in)
Pad thickness 4.4 mm (0.17 in) 1.0 mm (0.04 
i

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
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