2015 YAMAHA WR 250R tire pressure
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INSTRUMENT AND CONTROL FUNCTIONS
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always represents the entire adjusting
range. To obtain a precise adjustment,
it would be advisable to check the num-
ber of clicks of each damping force ad-
justing mechanism and to modify the
specifications as necessary.
EAU14794
Front fork bleeding
WARNING
EWA10201
Always bleed both fork legs, other-
wise poor handling and loss of sta-bility may result.
When riding in extremely rough condi-
tions, the air temperature and pressure
in the front fork will rise. This will in-
crease the spring preload and harden
the front suspension. If this occurs,
bleed the front fork as follows.
1. Lift the front wheel off the ground according to the procedure on
page 6-38.TIPWhen bleeding the front fork, there
should be no weight on the front end ofthe vehicle.
2. Remove the bleed screws and al- low all of the air to escape from
each fork leg. 3. Install the bleed screws.
4. Lower the front wheel so that it is
on the ground, and then put the
sidestand down.
1. Bleed screw1
32D-9-ED.book 16 ページ ２０１４年７月１日 火曜日 午前１０時２分
Page 37 of 100
FOR YOUR SAFETY – PRE-OPERATION CHECKS
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Rear brake Check operation.
If soft or spongy, have Yamaha dealer bleed hydraulic system.
Check brake pads for wear.
Replace if necessary.
Check fluid level in reservoir.
If necessary, add specified brake fluid to specified level.
Check hydraulic system for leakage. 6-25, 6-26
Clutch Check operation.
Lubricate cable if necessary.
Check lever free play.
Adjust if necessary. 6-22
Throttle grip Make sure that operation is smooth.
Check throttle grip free play.
If necessary, have Yamaha dealer adjust th
rottle grip free play and lubricate cable
and grip housing. 6-19, 6-29
Control cables Make sure that operation is smooth.
Lubricate if necessary. 6-29
Drive chain Check chain slack.
Adjust if necessary.
Check chain condition.
Lubricate if necessary. 6-27, 6-28
Wheels and tires Check for damage.
Check tire condition and tread depth.
Check air pressure.
Correct if necessary. 6-20, 6-22
Shift pedal Make sure that operation is smooth.
Correct if necessary. 6-24
Brake pedal Make sure that operation is smooth.
Lubricate pedal pivoting point if necessary. 6-30
Brake and clutch levers Make sure that operation is smooth.
Lubricate lever pivoting points if necessary. 6-30
Sidestand Make sure that operation is smooth.
Lubricate pivot if necessary. 6-31
ITEM CHECKS PAGE
32D-9-ED.book 2 ページ ２０１４年７月１日 火曜日 午前１０時２分
Page 46 of 100
PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU1770K
General maintenance and lubrication chartNO. ITEM CHECK OR MAINTENANCE JOB ODOMETER READING
ANNUAL
CHECK
1000 km
(600 mi) 10000 km
(6000 mi) 20000 km
(12000 mi) 30000 km
(18000 mi) 40000 km
(24000 mi)
1 Air filter element Clean.
2Clutch Check operation.
Adjust.
3 *Front brake Check operation, fluid level and
vehicle for fluid leakage.
Adjust brake lever free play.
Replace brake pads. Whenever worn to the limit
4 *Rear brake Check operation, fluid level and
vehicle for fluid leakage.
Replace brake pads. Whenever worn to the limit
5 *Brake hoses Check for cracks or damage.
Check for correct routing and
clamping.
Replace. Every 4 years
6 *Brake fluid Replace. Every 2 years
7 *Wheels Check runout, spoke tightness
and for damage.
Tighten spokes if necessary.
8 *Tires Check tread depth and for
damage.
Replace if necessary.
Check air pressure.
Correct if necessary.
9 *Wheel bearings Check bearings for looseness or
damage.
32D-9-ED.book 4 ページ ２０１４年７月１日 火曜日 午前１０時２分
Page 62 of 100
PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU21402
Valve clearanceThe valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
EAU61772
TiresTires are the only contact between the
vehicle and the road. Safety in all con-
ditions of riding depends on a relatively
small area of road contact. Therefore, it
is essential to maintain the tires in good
condition at all times and replace them
at the appropriate time with the speci-
fied tires.
Tire air pressure
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
EWA10504
Operation of this vehicle with im-
proper tire pressure may cause se-
vere injury or death from loss of
control.
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature).
The tire air pressure must be ad-
justed in accordance with the
riding speed and with the total weight of rider, passenger, car-
go, and accessories approved
for this model.WARNING
EWA10512
Never overload your vehicle. Opera-
tion of an overloaded vehicle couldcause an accident.Tire air pressure (measured on cold
tires):
Up to 90 kg (198 lb) load:Front:125 kPa (1.25 kgf/cm
2, 18 psi)
Rear: 175 kPa (1.75 kgf/cm2, 25 psi)
90 kg (198 lb) to maximum load:
Front:150 kPa (1.50 kgf/cm2, 22 psi)
Rear:
200 kPa (2.00 kgf/cm2, 29 psi)
Maximum load*: 185 kg (408 lb)
* Total weight of rider, passenger, car- go and accessories
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MOTORCYCLE CARE AND STORAGE
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12 2. Fill up the fuel tank and add fuel
stabilizer (if available) to prevent
the fuel tank from rusting and the
fuel from deteriorating.
3. Perform the following steps to pro- tect the cylinder, piston rings, etc.
from corrosion.
a. Remove the spark plug cap and spark plug.
b. Pour a teaspoonful of engine oil into the spark plug bore.
c. Install the spark plug cap onto the spark plug, and then place
the spark plug on the cylinder
head so that the electrodes are
grounded. (This will limit spark-
ing during the next step.)
d. Turn the engine over several times with the starter. (This will
coat the cylinder wall with oil.)
e. Remove the spark plug cap from the spark plug, and then
install the spark plug and the
spark plug cap. WARNING! To
prevent damage or injury
from sparking, make sure to
ground the spark plug elec-
trodes while turning the en-
gine over.
[EWA10952]
4. Lubricate all control cables and the pivoting points of all levers and
pedals as well as of the sidestand/
centerstand.
5. Check and, if necessary, correct the tire air pressure, and then lift
the motorcycle so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
6. Cover the muffler outlet with a plastic bag to prevent moisture
from entering it.
7. Remove the battery and fully charge it. Store it in a cool, dry
place and charge it once a month.
Do not store the battery in an ex-
cessively cold or warm place [less
than 0 C (30 F) or more than 30
C (90 F)]. For more information
on storing the battery, see page
6-33.TIPMake any necessary repairs beforestoring the motorcycle.
32D-9-ED.book 4 ページ ２０１４年７月１日 火曜日 午前１０時２分
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SPECIFICATIONS
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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