tire size YAMAHA WR 450F 2013 Owners Manual

INSTRUMENT AND CONTROL FUNCTIONS
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ton together again.
TIPThe stopwatch will continue counting
when the vehicle is stopped. To stop
and/or resume counting, repeat steps 3and 4.
Measurement mode (for calibrating
the distance-compensation tripme-
ter’s reading)
The distance-compensation tripmeter
is a feature intended to provide a more
accurate tripmeter reading for enduro
riding. Calibrating this meter in accor-
dance with the distances specified on
the enduro course map will help famil-
iarize the rider with the course. In addi-
tion, calibrating the meter may also be
necessary when using tire, wheel,
chain sprocket sizes, etc. other than
specified. For further information con-
cerning the use of this meter, please
consult your nearby Yamaha dealer.
Calibrate the distance-compensation
tripmeter as follows.
To increase the reading, push the
“SLCT 1” button. To decrease the read-
ing, push the “SLCT 2” button. Pushing and holding either button will increase
or decrease the reading continuously
until the button is released.
TIPCalibrating the reading of the dis-
tance-compensation tripmeter is possi-
ble regardless of the stopwatchoperation.
Resetting the distance-compensa-
tion tripmeter or the distance-com-
pensation tripmeter in combination
with the stopwatchTIPResetting can be made only to the dis-
tance-compensation tripmeter or to the
distance-compensation tripmeter incombination with the stopwatch.
Resetting the distance-compensationtripmeter1. Check that the stopwatch mea-
surement is in operation.
2. Reset the distance-compensation tripmeter to zero by pushing the
“RST” button for at least two sec-
onds. Resetting the distance-compensation
tripmeter in combination with the stop-watch1. Stop the stopwatch.
2. Reset the distance-compensation
tripmeter and the stopwatch to
zero by pushing the “RST” button
for at least two seconds.
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PERIODIC MAINTENANCE AND ADJUSTMENT
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9Tire inspection
The tires must be checked before each
ride. If the center tread depth reaches
the specified limit, if the tire has a nail or
glass fragments in it, or if the sidewall is
cracked, have a Yamaha dealer re-
place the tire immediately.
TIPThe tire tread depth limits may differ
from country to country. Always complywith the local regulations. Tire information
This motorcycle is equipped with spoke
wheels and tube tires.
Tires age, even if they have not been
used or have only been used occasion-
ally. Cracking of the tread and sidewall
rubber, sometimes accompanied by
carcass deformation, is an evidence of
ageing. Old and aged tires shall be
checked by tire specialists to ascertain
their suitability for further use.
WARNING
EWA10461
The front and rear tires should be of
the same make and design, other-
wise the handling characteristics of
the vehicle may be different, whichcould lead to an accident.
After extensive tests, only the tires list-
ed below have been approved for this
model by Yamaha Motor Co., Ltd.
WARNING
EWA10571

Have a Yamaha dealer replace
excessively worn tires. Besides
being illegal, operating the mo-
torcycle with excessively worn
tires decreases riding stability
and can lead to loss of control.

The replacement of all wheel-
and brake-related parts, includ-
ing the tires, should be left to a
Yamaha dealer, who has the
necessary professional knowl-
edge and experience.

It is not recommended to patch
a punctured tube. If unavoid-
able, however, patch the tube
very carefully and replace it as
soon as possible with a
1. Tire sidewall
2. Tire tread depthMinimum tire tread depth (front and
rear):
1.6 mm (0.06 in)
Front tire: Size:80/100-21M/C 51P
Manufacturer/model:
BRIDGESTONE/GRITTY-ED03 E
Rear tire: Size:
120/90-18M/C 65P
Manufacturer/model: BRIDGESTONE/GRITTY-ED04 E
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SPECIFICATIONS
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789
Transmission type: Constant mesh 5-speed
Operation:
Left foot operation
Gear ratio: 1st:
2.417 (29/12)
2nd: 1.733 (26/15)
3rd: 1.313 (21/16)
4th:
1.050 (21/20)
5th: 0.840 (21/25)Chassis:Frame type:
Semi double cradle
Caster angle: 27.00 
Trail: 115 mm (4.5 in)Front tire:Type: With tube
Size: 80/100-21M/C 51P
Manufacturer/model:
BRIDGESTONE/GRITTY-ED03 ERear tire:Type: With tube
Size:
120/90-18M/C 65P Manufacturer/model:
BRIDGESTONE/GRITTY-ED04 E
Maximum load:
90 kg (198 lb)
* (Total weight of rider, cargo and accesso- ries)
Tire air pressure (measured on cold
tires):Loading condition: 0–90 kg (0–198 lb)
Front:
150 kPa (1.50 kgf/cm
2, 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 4Rear brake:Type:
Single disc brake Operation:
Right foot operation
Specified brake fluid:
DOT 4
Front suspension:Type: Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 300.0 mm (11.81 in)Rear suspension:Type:
Swingarm (link suspension)
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 299.0 mm (11.77 in)Electrical system:Ignition system: TCI
Charging system: AC magnetoBattery:Model: YTZ7S(F)
Voltage, capacity: 12 V, 6.0 AhHeadlight:Bulb type: Halogen bulbBulb voltage, wattage  quantity:Headlight:
12 V, 35.0 W/35.0 W  1
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