Checking The Tires - Yamaha WR250R Service Manual

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a. Turn the adjusting screw "1" in direction "a" or
"b".
Direction "a"
Compression damping is increased (sus-
pension is harder).
Direction "b"
Compression damping is decreased (sus-
pension is softer).
Compression damping
Maximum (hard)
1 click(s) out*
Standard
10 click(s) out* (WR250R)
7 click(s) out* (WR250X)
Minimum (soft)
12 click(s) out*
* With the adjusting screw fully turned in
b
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EAS21650

CHECKING THE TIRES

The following procedure applies to both of the
tires.
1. Check:
Tire pressure
G
Out of specification → Regulate.
EWA13180
WARNING
The tire pressure should only be checked
G
and regulated when the tire temperature
a
1
3-29
equals the ambient air temperature.
The tire pressure and the suspension must
G
be adjusted according to the total weight
(including cargo, rider, passenger and ac-
cessories) and the anticipated riding
speed.
Operation of an overloaded vehicle could
G
cause tire damage, an accident or an injury.
NEVER OVERLOAD THE VEHICLE.
Loading condition
0–90 (0–198 lb)
Tire air pressure (measured on
cold tires)
Loading condition
0–90 kg (0–198 lb)
Front
WR250R 125 kPa (18 psi) (1.25
2
kgf/cm )
WR250X 200 kPa (29 psi) (2.00
2
kgf/cm )
Rear
WR250R 175 kPa (25 psi) (1.75
2
kgf/cm )
WR250X 200 kPa (29 psi) (2.00
2
kgf/cm )
Loading condition
90–185 kg (198–408 lb)
Front
WR250R 150 kPa (22 psi) (1.50
2
kgf/cm )
WR250X 200 kPa (29 psi) (2.00
2
kgf/cm )
Rear
WR250R 200 kPa (29 psi) (2.00
2
kgf/cm )
WR250X 225 kPa (33 psi) (2.25
2
kgf/cm )
Maximum load
185 kg (408 lb)
* Total weight of rider, passenger, cargo
and accessories
EWA13190
WARNING
It is dangerous to ride with a worn-out tire.
When the tire tread reaches the wear limit,
replace the tire immediately.
2. Check:
Tire surfaces
G
Damage/wear → Replace the tire.
CHASSIS