Adjusting The Front Fork Legs - Yamaha YZ450F 2020 Owner's Service Manual

7. Clean:
• Dust seal "a"
• Oil seal "b"
TIP
• Clean the dust seal and oil seal after every run.
• Apply lithium-soap-based grease on the inner
tube.
b
LS
EAM30239

ADJUSTING THE FRONT FORK LEGS

EWA19180
WARNING
• 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
ECA24340
NOTICE
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.
Direction "a"
Rebound damping is increased (sus-
pension is harder).
Direction "b"
Rebound damping is decreased (sus-
pension is softer).
a
3-28
Rebound damping
Minimum (soft)
20 click(s) in direction "b"*
Standard
10 click(s) in direction "b"*
(AUT, BEL, CHE, CYP, CZE,
DEU, DNK, ESP, FIN, FRA, GBR,
GRC, HRV, HUN, IRL, ITA, NLD,
NOR, POL, PRT, SVK, SVN,
SWE, TUR)
9 click(s) in direction "b"* (AUS,
CAN, NZL, ZAF)
Maximum (hard)
0 click(s) in direction "b"*
* With the adjusting screw fully turned in di-
rection "a"
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.
1
1
a a
b b
Compression damping
ECA24350
NOTICE
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.
Direction "a"
Compression damping is increased
(suspension is harder).
Direction "b"
Compression damping is decreased
(suspension is softer).
CHASSIS