2015 YAMAHA WR 250R brake fluid

PERIODIC MAINTENANCE AND ADJUSTMENT
6-27
1
2
3
4
567
8
9
10
11
12
EAU22733
Changing the brake fluidHave a Yamaha dealer change the
brake fluid at the intervals specified in
the periodic maintenance and lubrica-
tion chart. In addition, have the oil seals
of the master cylinders and calipers as
well as the brake hoses replaced at the
intervals listed below or whenever they
are damaged or leaking.
Oil seals: Replace every two
years.

Brake hoses: Replace every four
years.
EAU22762
Drive chain slackThe drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU47223
To check the drive chain slack 1. Place the motorcycle on the sides- tand.TIPWhen checking and adjusting the drive
chain slack, there should be no weighton the motorcycle.
2. Shift the transmission into the neu- tral position.
3. Push on the drive chain at the cen- ter point between the chain ten-
sioner and the chain support
mounting bolt with a force of 50 N
(5.0 kgf, 11 lbf).
4. Measure drive chain slack be- tween the swingarm and the top of
the chain link closest to the swing-
arm as shown. 5. If the drive chain slack is incorrect,
adjust it as follows.
EAU34318
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.1. Loosen the axle nut and the lock- nut on each side of the swingarm.
2. To tighten the drive chain, turn the drive chain slack adjusting bolt on
each side of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting bolt on each side
of the swingarm in direction (b),
and then push the rear wheel for-
Drive chain slack:8.0–13.0 mm (0.31–0.51 in)
1. Drive chain slack
2. Chain support mounting bolt
3. Chain tensioner
1
3
2
32D-9-ED.book 27 ページ ２０１４年７月１日　火曜日　午前１０時２分

SPECIFICATIONS
8-2
1
2
3
4
5
6
78
9
10
11
12
Gear ratio: 1st:2.643 (37/14)
2nd: 1.813 (29/16)
3rd:
1.318 (29/22)
4th: 1.040 (26/25)
5th: 0.889 (24/27)
6th:
0.786 (22/28)Chassis:Frame type: Semi double cradle
Caster angle:
26.67 
Trail: 111 mm (4.4 in)Front tire:Type:
With tube
Size: 80/100-21M/C 51P
Manufacturer/model: BRIDGESTONE/TW-301 FRear tire:Type:With tube
Size: 120/80-18M/C 62P
Manufacturer/model:
BRIDGESTONE/TW-302 F
Loading:Maximum load:185 kg (408 lb)
* (Total weight of rider, passenger, cargo and accessories)Tire air pressure (measured on cold
tires):Loading condition:0–90 kg (0–198 lb)
Front:
125 kPa (1.25 kgf/cm
2, 18 psi)
Rear:
175 kPa (1.75 kgf/cm2, 25 psi)
Loading condition: 90–185 kg (198–408 lb)
Front:
150 kPa (1.50 kgf/cm2, 22 psi)
Rear:
200 kPa (2.00 kgf/cm2, 29 psi)
Front wheel:Wheel type:Spoke wheel
Rim size:
21x1.60Rear wheel:Wheel type:Spoke wheel
Rim size:
18x2.15Front brake:Type:Single disc brake
Operation:
Right hand operation Specified brake fluid:
DOT 4
Rear brake:Type:Single disc brake
Operation: Right foot operation
Specified brake fluid:
DOT 4Front suspension:Type:Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 270 mm (10.6 in)Rear suspension:Type:
Swingarm (link suspension)
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 270 mm (10.6 in)Electrical system:Ignition system:TCI
Charging system: AC magnetoBattery:Model:YTZ7S
Voltage, capacity: 12 V, 6.0 Ah
32D-9-ED.book 2 ページ ２０１４年７月１日　火曜日　午前１０時２分

10-1
1
2
3
4
5
6
7
8
910
11
12
INDEXAAir filter element and check hose, cleaning .................................................6-17
Auxiliary light bulb, replacing ...................6-36BBattery......................................................6-33
Brake and clutch levers, checking and lubricating ..............................................6-30
Brake fluid, changing ...............................6-27
Brake fluid level, checking .......................6-26
Brake lever ...............................................3-10
Brake lever free play, adjusting................6-23
Brake light switches .................................6-25
Brake pedal ..............................................3-10
Brake pedal, checking and lubricating .....6-30CCables, checking and lubricating .............6-29
Care ...........................................................7-1
Catalytic converter ...................................3-13
Clutch lever ................................................3-9
Clutch lever free play, adjusting ...............6-22
Coolant.....................................................6-14
Coolant temperature warning light .............3-2DDimmer switch ...........................................3-9
Drive chain, cleaning and lubricating .......6-28
Drive chain slack ......................................6-27EEngine break-in ..........................................5-3
Engine idling speed..................................6-19
Engine oil and oil filter element ................6-12
Engine serial number .................................9-1
Engine stop switch .....................................3-9
Engine trouble warning light.......................3-3 EXUP system .......................................... 3-18
FFront and rear brake
pads, checking ....... 6-25
Front fork, adjusting ................................. 3-14
Front fork, bleeding.................................. 3-16
Front fork, checking ................................. 6-31
Fuel.......................................................... 3-11
Fuel consumption, tips for reducing........... 5-3
Fuel level warning light .............................. 3-2
Fuel tank cap ........................................... 3-11
Fuses, replacing ...................................... 6-34HHandlebar switches ................................... 3-8
Headlight bulb, replacing ......................... 6-35
Helmet holder .......................................... 3-14
High beam indicator light ........................... 3-2
Horn switch ................................................ 3-9IIdentification numbers ............................... 9-1
Ignition circuit cut-off system ................... 3-19
Indicator lights and warning lights ............. 3-2LLicense plate light bulb, replacing ........... 6-37MMain switch/steering lock........................... 3-1
Maintenance and lubrication, periodic ....... 6-4
Maintenance, emission control system...... 6-3
Matte color, caution ................................... 7-1
Model label ................................................ 9-1
Multi-function display ................................. 3-3NNeutral indicator light ................................. 3-2PPanels, removing and installing ................. 6-8 Parking ...................................................... 5-4
Part locations ............................................ 2-1
SSafety information ..................................... 1-1
Seat ......................................................... 3-13
Shifting ...................................................... 5-2
Shift pedal ............................................... 3-10
Shift pedal, checking ............................... 6-24
Shock absorber assembly, adjusting ...... 3-17
Sidestand ................................................ 3-19
Sidestand, checking an
d lubricating........ 6-31
Spark plug, checking ............................... 6-11
Specifications ............................................ 8-1
Starting the engine .................................... 5-1
Start switch................................................ 3-9
Steering, checking................................... 6-32
Storage...................................................... 7-3
Supporting the motorcycle ...................... 6-38
Swingarm pivots, lubricating ................... 6-31TTail/brake light ......................................... 6-36
Throttle grip and cable, checking and lubricating ............................................. 6-29
Throttle grip free play, checking .............. 6-19
Tires ........................................................ 6-20
Tool kit....................................................... 6-2
Troubleshooting ...................................... 6-42
Troubleshooting charts............................ 6-43
Turn signal indicator light .......................... 3-2
Turn signal light bulb, replacing .............. 6-37
Turn signal switch ..................................... 3-9VValve clearance....................................... 6-20
Vehicle identification number .................... 9-1
32D-9-ED.book 1 ページ ２０１４年７月１日　火曜日　午前１０時２分