Yamaha Kodiak 450 Owner's Manual page 46

Align the appropriate notch in the adjusting ring
with the position indicator on the shock absorber.
4
1. Spring preload adjusting ring
2. Position indicator
TIP
A special wrench can be obtained at a Yamaha
dealer to make this adjustment.
(a)
1
(b)
1
2
3
4
5
1. Special wrench
2
Spring preload setting:
Minimum (soft):
1
Standard:
2
Maximum (hard):
5
4-16
1