3-13
CHASSIS
By turning the adjuster "1".
• STANDARD POSITION:
This is the position which is back
by the specific number of clicks
from the fully turned-in position.
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. Adjust:
• Compression damping force
By turning the adjuster "1".
• STANDARD POSITION:
This is the position which is back
by the specific number of clicks
from the fully turned-in position.
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.
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".
• Be sure to remove all dirt and mud
from around the locknut and adjust-
er before adjustment.
• The length of the spring (installed)
changes 1.5 mm (0.06 in) per turn
of the adjuster.
• The I.D. mark "b" is marked at the
end of the spring.
• The standard length and extent of
adjustment vary according to the
quantity of I.D. marks.
Never attempt to turn the adjuster
beyond the maximum or minimum
setting.
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
Fully turned in
position
20 clicks out
(from maximum
position)
Standard position:
14 clicks out
* 13 clicks out
* For EUROPE
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
Fully turned in
position
20 clicks out
(from maximum
position)
Standard position:
13 clicks out
* 12 clicks out
* For EUROPE
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
length
Extent of ad-
justment
One I.D. mark
258 mm
(10.16 in)
*252 mm (9.92
in)
Two I.D. marks
264 mm
(10.39 in)
*258 mm
(10.16 in)
Three I.D.
marks
255.5 mm
(10.06 in)
*249.5 mm
(9.82 in)
245.5–263.5
mm (9.67–10.37
in)
251.5–269.5
mm (9.90–10.61
in)
243.0–261.0
mm (9.57–10.28
in)
* For EUROPE
Summary of Contents for YZ125X1
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Page 131: ...5 30 STEERING 9 Bearing race 2 Refer to removal section Order Part name Q ty Remarks...
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