YAMAHA WR 250F 2014 Service Manual

YAMAHA WR 250F 2014 Service Manual WR 250F 2014 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52298/w960_52298-0.png YAMAHA WR 250F 2014 Service Manual
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Page 41 of 230

YAMAHA WR 250F 2014 Service 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 42 of 230

YAMAHA WR 250F 2014 Service Manual 2-11
MAINTENANCE SPECIFICATIONS
Rectifier/regulator:
Regulator type Semiconductor short circuit ----
Model/manufacture SH770AA/SHINDENGEN ----
Regulated voltage (AC) 12.5–13.5 V ----
Regulated volta

Page 43 of 230

YAMAHA WR 250F 2014 Service 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 Service 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 Service 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 Service 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 Service 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

Page 48 of 230

YAMAHA WR 250F 2014 Service Manual 2-17
TIGHTENING TORQUES
GENERAL TORQUE 
SPECIFICATIONS
This chart specifies torque for stan-
dard fasteners with standard I.S.O. 
pitch threads. Torque specifications 
for special components or assem-

Page 49 of 230

YAMAHA WR 250F 2014 Service Manual 2-18
TIGHTENING TORQUES

Page 50 of 230

YAMAHA WR 250F 2014 Service Manual 2-19
LUBRICATION DIAGRAMS
LUBRICATION DIAGRAMS
1. Oil filter element
2. Oil pump
3. Drive axle
4. Main axle
5. Intake camshaft
6. Exhaust camshaft
7. Oil tank
8. Oil delivery pipe
A. To oil tank
Trending: jump start terminals, fuse diagram, clock setting, remove seats, radiator cap, fuel tank capacity, ad blue