Yamaha YFM660FS, Owner'S Manual

Page: 44 / 191

4-22
EBU01124
Front and rear shock absorber adjustment
The spring preload can be adjusted to suit the
rider’s weight and riding conditions.
NOTE:
_
When adjusting the rear shock absorbers, the
rear wheels need to be removed. (See pages
8-46–8-47 for removal and installation proce-
dures.)
_
Adjust the spring preload as follows.
To increase the spring preload, turn the ad-
justing ring in direction
a
.
To decrease the spring preload, turn the ad-
justing ring in direction
b
.
1. Spring preload adjusting ring 2. Position indicator
NOTE:
_
A special wrench can be obtained at a
Yamaha dealer to make this adjustment.
_
Standard position: B
A- Minimum (soft)
E- Maximum (hard)
U5KM12.book Page 22 Wednesday, March 26, 2003 3:50 PM