Yamaha YXR7FD Owner's Manual page 54

The rear wheels need to be removed to adjust
the rear shock absorber assemblies. (See
pages 8-44–8-46 for wheel removal and in-
stallation procedures.)
Adjust the spring preload as follows:
To increase the spring preload, turn the spring
preload adjusting ring in direction a.
To decrease the spring preload, turn the
spring preload adjusting ring in direction b.
Align the appropriate notch in the adjusting
ring with the position indicator on the shock
absorber.
1. Spring preload adjusting ring 2. Position indicator
4-24
TIP
A special wrench can be obtained at a
Yamaha dealer to make this adjustment.
Standard position: B
A- Minimum (soft)
E- Maximum (hard)
1. Special wrench