Yamaha YZ125 2009, Owner'S Service Manual

Page: 74 / 234

3-21
CHASSIS
ADJUSTING THE FRONT FORK REBOUND
DAMPING FORCE
1. Adjust:
• Rebound damping force
By turning the adjuster "1".
• STANDARD POSITION:
This is the position which is back by the spe-
cific number of clicks from the fully turned-in
position.
Do not force the adjuster past the minimum
or maximum extent of adjustment. The ad-
juster may be damaged.
Always adjust each front fork to the same
setting. Uneven adjustment 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 spe-
cific number of clicks from the fully turned-in
position.
Do not force the adjuster past the minimum
or maximum extent of adjustment. The ad-
juster may be damaged.
Always adjust each front fork to the same
setting. Uneven adjustment 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.
Stiffer "a"
→
Increase the rebound damp-
ing force. (Turn the adjuster "1" in.)
Softer "b"
→
Decrease the rebound damp-
ing force. (Turn the adjuster "1" out.)
Extent of adjustment:
Maximum Minimum
Fully turned in posi-
tion 20 clicks out (from
maximum position)
Standard position:
14 clicks out
* 13 clicks out
* For EUROPE
Stiffer "a"
→
Increase the compression
damping force. (Turn the adjuster "1" in.)
Softer "b"
→
Decrease the compression
damping force. (Turn the adjuster "1"
out.)
Extent of adjustment:
Maximum Minimum
Fully turned in posi-
tion 20 clicks out (from
maximum position)
Standard position:
13 clicks out
* 12 clicks out
* For EUROPE