Yamaha YFZ 2018 Owner's Manual page 43

(a)
(b)
1. Locknut
2. Spring preload adjusting nut
3. Special wrench
TIP
 The spring preload setting is determined by
measuring distance A, shown in the illustration.
 The shorter distance A is, the greater the spring
preload. The longer distance A is, the lesser the
spring preload.
 Each complete turn of the adjusting nut chang-
es distance A by 1.5 mm (0.06 in).
1
2
3
1. Distance A
10. Tighten the locknut to the specified torque.
4-19
Spring preload setting:
Minimum (soft):
Distance A = 286.5 mm (11.28 in)
Standard:
Distance A = 278.0 mm (10.94 in)
Maximum (hard):
Distance A = 266.5 mm (10.49 in)
1
NOTICE: Always tighten the locknut
against the adjusting nut, and then tighten
it to the specified torque.
4
[ECB00082]