Yamaha YZF R1 2021 Owner's Manual page 68

Instrument and control functions
Spring preload:
Minimum (soft):
Distance A = 77.5 mm (3.05 in)
Standard:
Distance A = 78.5 mm (3.09 in)
Maximum (hard):
Distance A = 85.5 mm (3.37 in)
3. Tighten the locknut to the speci-
fied torque. NOTICE: Always
5
tighten the locknut against the
adjusting nut, and then tighten
the locknut to the specified
torque.
[ECA10122]
Tightening torque:
Locknut:
28 N·m (2.8 kgf·m, 21 lb·ft)
Rebound damping force
Turn the adjusting bolt in direction (a)
to increase the rebound damping
force.
Turn the adjusting bolt in direction (b)
to decrease the rebound damping
force.
To set the rebound damping force, turn
the adjuster in direction (a) until it
stops, and then count the clicks in di-
rection (b).
(a)
1. Rebound damping force adjusting bolt
Rebound damping setting:
Minimum (soft):
23 click(s) in direction (b)
Standard:
12 click(s) in direction (b)
Maximum (hard):
1 click(s) in direction (b)
TIP
 When turning the damping force
adjuster in direction (a), the 0 click
position and the 1 click position
may be the same.
 When turning the damping force
adjuster in direction (b), it may
click beyond the stated specifica-
5-44
tions, however such adjustments
are ineffective and may damage
1
(b)
the suspension.
Compression damping force
Fast compression damping force
Turn the adjusting bolt in direction (a)
to increase the compression damping
force.
Turn the adjusting bolt in direction (b)
to decrease the compression damping
force.
To set the compression damping
force, turn the adjuster in direction (a)
until it stops, and then count the turns
in direction (b).
1. Fast compression damping force adjusting
bolt
1
(a) (b)