Yamaha WR450F 2021, Owner'S Service Manual

Page: 119 / 402

CHASSIS
3-29
EAM30239
ADJUSTING THE FRONT FORK LEGS
WARNING
EWA19180
• Always adjust the left and right front forks
evenly. If this is not done, the vehicle may
have poor stability.
• Securely support the vehicle so that there
is no danger of it falling over.
Rebound damping
NOTICE
ECA24340
Do not turn the adjuster forcibly beyond its
adjusting range.
1. Adjust:
•
Rebound damping
a. Turn the adjuster “1” in the direction of “a”
or “b” to make an adjustment.
TIP
Although the total number of clicks of a damping
force adjusting mechanism may not exactly
match the above specifications due to small dif-
ferences in production, the actual number of
clicks always represents the entire adjusting
range. To obtain a precise adjustment, it would
be advisable to check the number of clicks of
each damping force adjusting mechanism and
to modify the specifications as necessary.
Compression damping
NOTICE
ECA24350
Do not turn the adjuster forcibly beyond its
adjusting range.
1. Adjust:
• Compression damping
a. Turn the adjuster “1” in the direction of “a”
or “b” to make an adjustment.
TIP
Although the total number of clicks of a damping
force adjusting mechanism may not exactly
match the above specifications due to small dif-
ferences in production, the actual number of
clicks always represents the entire adjusting
range. To obtain a precise adjustment, it would
be advisable to check the number of clicks of
each damping force adjusting mechanism and
to modify the specifications as necessary.
Direction “a”
Rebound damping is increased (sus-
pension is harder).
Direction “b”
Rebound damping is decreased (sus-
pension is softer).
Rebound damping
Minimum (soft)
20 click(s) in direction “b”*
Standard
8 click(s) in direction “b”*
Maximum (hard)
0 click(s) in direction “b”*
* With the adjusting screw fully turned in di-
rection “a”
LS
a
b
c
Direction “a”
Compression damping is increased
(suspension is harder).
Direction “b”
Compression damping is decreased
(suspension is softer).
Compression damping
Minimum (soft)
20 click(s) in direction “b”*
Standard
12 click(s) in direction “b”*
Maximum (hard)
0 click(s) in direction “b”*
* With the adjusting screw fully turned in di-
rection “a”
1
1
a a
b b