Yamaha YZ450FX 2019 Owner's Service Manual page 378

• Spring preload adjusting positions
Spring preload adjusting positions
Minimum
Position in which the spring is
turned in 1.5 mm (0.06 in) from
its free length.
Standard
Position in which the spring is
turned in 6.0 mm (0.24 in) from
its free length.
Maximum
Position in which the spring is
turned in 18.0 mm (0.71 in) from
its free length.
TIP
For the spring preload adjustment, refer to "AD-
JUSTING THE REAR SHOCK ABSORBER AS-
SEMBLY" on page 3-30.
1
a
10-5
CHASSIS