tire type YAMAHA WR 250X 2009 Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
6-17
2
3
4
5
67
8
9
5. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
TIP

The sponge material should be wet but
not dripping.
6. Pull the sponge material over the
air filter element frame.
7. Insert the air filter element into the
air filter case.
NOTICE:
Make sure
that the air filter element is prop-
erly seated in the air filter case.
The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]

8. Place the holding clip in the origi-
nal position.
9. Close the air filter case cover, and
then install the screw.
10. Install the panel.
To clean the air filter check hose
1. Check the hose at the bottom of
the air filter case for accumulated
dirt or water.2. If dirt or water is visible, remove
the hose, clean it, and then install
it.
1. Sponge material
2. Air filter element frame
1
2
12
3
4

Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Air filter check hose
1

SPECIFICATIONS
8-2
1
2
3
4
5
6
7
8
9Gear ratio:

1st:
37/14 (2.643)
2nd:
29/16 (1.813)
3rd:
29/22 (1.318)
4th:
26/25 (1.040)
5th:
24/27 (0.889)
6th:
22/28 (0.786)
Chassis:
Frame type:
Semi double cradle
Caster angle:
25.33 °
Trail:
76.0 mm (2.99 in)
Front tire:
Type:
With tube
Size:
110/70R17M/C 54H
Manufacturer/model:
BRIDGESTONE/BT090F RADIAL G
Rear tire:
Type:
With tube
Size:
140/70R17M/C 66HManufacturer/model:
BRIDGESTONE/BT090R RADIAL G
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:
200 kPa (2.00 kgf/cm
2

, 29 psi)
Rear:
200 kPa (2.00 kgf/cm
2

, 29 psi)
Loading condition:
90–185 kg (198–408 lb)
Front:
200 kPa (2.00 kgf/cm
2

, 29 psi)
Rear:
225 kPa (2.25 kgf/cm
2
, 33 psi)
Front wheel:
Wheel type:
Spoke wheel
Rim size:
17M/C x MT3.00
Rear wheel:
Wheel type:
Spoke wheel
Rim size:
17M/C x MT4.00
Front brake:
Type:
Single disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4
Rear brake:
Type:
Single disc brake
Operation:
Right foot operation
Recommended fluid:
DOT 4
Front suspension:
Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
270.0 mm (10.63 in)
Rear suspension:
Type:
Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
265.0 mm (10.43 in)
Electrical system:
Ignition system:
TCI (digital)
Charging system:
AC magneto