Yamaha YZ450FY 2009 Owner's Service Manual page 92

ADJUSTING THE FRONT FORK REBOUND
DAMPING FORCE
1. Adjust:
• Rebound damping force
By turning the adjuster "1".
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
Fully turned in posi-
tion
• STANDARD POSITION:
This is the position which is back by the spe-
cific number of clicks from the fully turned-in
position.
Standard position:
12 clicks out
* 10 clicks out
* Except for USA and CDN
Do not force the adjuster past the minimum
or maximum extent of adjustment. The ad-
juster may be damaged.
Minimum
20 clicks out (from
maximum position)
3-27
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".
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
Fully turned in posi-
tion
• STANDARD POSITION:
This is the position which is back by the spe-
cific number of clicks from the fully turned-in
position.
Standard position:
12 clicks out
* 10 clicks out
* Except for USA and CDN
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.
CHASSIS
Minimum
20 clicks out (from
maximum position)