Yamaha YZ 2019 Series, Owner'S Service Manual

Page: 117 / 398

CHASSIS
3-29
EAM30238
AIR BLEEDING FROM FRONT FORK
TIP
If the front fork initial movement feels stiff during
a run, relieve the front fork internal pressure.
1. Use a maintenance stand to raise the front
wheel off the ground.
WARNING
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove the air bleed screw “1” and release
the internal pressure from the front fork.
3. Tighten:
• Air bleed screw
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.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
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.
Air bleed screw
1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
T
R
.
.
1
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
10 click(s) in direction “b”*
Maximum (hard)
0 click(s) in direction “b”*
* With the adjusting screw fully turned in di-
rection “a”
Direction “a”
Compression damping is increased
(suspension is harder).
Direction “b”
Compression damping is decreased
(suspension is softer).
1
a
b