Yamaha WR250F 2008 Owner's And Service Manual page 77

1. Elevate the front wheel by placing
a suitable stand under the engine.
2. Remove the air bleed screw "1"
and release the internal pressure
from the front fork.
3. Install:
• Air bleed screw
Air bleed screw:
1 Nm (0.1 m•kg, 0.7
ft•lb)
ADJUSTING THE FRONT FORK
REBOUND DAMPING FORCE
1. Adjust:
• Rebound damping force
By turning the adjuster "1".
Stiffer "a" → Increase the re-
bound damping force. (Turn
the adjuster "1" in.)
Softer "b" → Decrease the re-
bound damping force. (Turn
the adjuster "1" out.)
Extent of adjustment:
Maximum Minimum
20 clicks out
Fully turned in
(from maximum
position
position)
• STANDARD POSITION:
This is the position which is back
by the specific number of clicks
from the fully turned-in position.
Standard position:
9 clicks out
Do not force the adjuster past the
minimum or maximum extent of
adjustment. The adjuster may be
damaged.
Always adjust each front fork to
the same setting. Uneven adjust-
ment can cause poor handling and
loss of stability.
ADJUSTING THE FRONT FORK
COMPRESSION DAMPING FORCE
1. Remove:
• Rubber cap
2. Adjust:
• Compression damping force
By turning the adjuster "1".
Stiffer "a" → Increase the com-
pression damping force. (Turn
the adjuster "1" in.)
Softer "b" → Decrease the com-
pression damping force. (Turn
the adjuster "1" out.)
Extent of adjustment:
Maximum Minimum
20 clicks out
Fully turned in
(from maximum
position
position)
• STANDARD POSITION:
This is the position which is back
by the specific number of clicks
from the fully turned-in position.
Standard position:
10 clicks out
* 11 clicks out
* Except for USA and CDN
Do not force the adjuster past the
minimum or maximum extent of
adjustment. The adjuster may be
damaged.
Always adjust each front fork to
the same setting. Uneven adjust-
ment can cause poor handling and
loss of stability.
3. Install:
• Rubber cap
3-22
CHASSIS
CHECKING THE REAR SHOCK
ABSORBER
1. Inspect:
• Swingarm smooth action
Abnormal noise/unsmooth action
→ Grease the pivoting points or
repair the pivoting points.
Damage/oil leakage → Replace.
ADJUSTING THE REAR SHOCK
ABSORBER SPRING PRELOAD
1. Elevate the rear wheel by placing
the suitable stand under the en-
gine.
2. Remove:
• Rear frame
3. Loosen:
• Locknut "1"
4. Adjust:
• Spring preload
By turning the adjuster "2".
Stiffer → Increase the spring pre-
load. (Turn the adjuster "2" in.)
Softer → Decrease the spring pre-
load. (Turn the adjuster "2"
out.)
Spring length (installed)
"a":
Standard Extent of ad-
length justment
249 mm (9.80
in)
238.5–258.5
* 245.0 mm
mm (9.39–10.18
(9.65 in)
in)
** 248.5 mm
(9.78 in)
* For AUS, NZ and ZA
** For EUROPE