YAMAHA YZ85(S)/LC Owner's Service Manual: Suspension Setting

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Suspension setting

Front fork
G
NOTE:
If any of the following symptoms is experienced with the standard position as the base, make
G
resetting by reference to the adjustment procedure given in the same chart.
Before any change, set the rear shock absorber sunken length to the standard figure 75 ~ 85 mm
G
(3.0 ~ 3.3 in).
Symptom
Jump
Stiff over entire range
Unsmooth movement
over entire range
Poor initial
movement
Soft over entire range,
bottoming out
Stiff toward stroke end
Soft toward stroke end,
bottoming out
Stiff initial movement
Low front, tending to
lower front posture
"Obtrusive" front, tend-
ing to upper front pos-
ture
Section
Large
Small
Medium
gap
gap
gap
Compression damping
Oil level (oil amount)
Spring
Outer tube
Inner tube
Under bracket tightening
torque
Rebound damping
Oil seal
Compression damping
Oil level (oil amount)
Spring
Oil level (oil amount)
Oil level (oil amount)
Compression damping
Compression damping
Rebound damping
Balance with rear end
Oil level (oil amount)
Compression damping
Balance with rear end
Spring
Oil level (oil amount)
SETTING
Check
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
Replace with soft spring.
Check for any bends, dents, and other noticeable
scars, etc. If any, replace affected parts.
Retighten to specified torque.
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Apply grease in oil seal wall.
Turn adjuster clockwise (about 2 clicks) to increase
damping.
Increase oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
Replace with stiff spring.
Decrease oil level by about 5 mm (0.2 in).
Increase oil level by about 5 mm (0.2 in).
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Turn adjuster clockwise (about 2 clicks) to increase
damping.
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 80 ~ 85 mm (3.1 ~ 3.3 in) when
one passenger is astride seat (lower rear posture).
Increase oil level by about 5 mm (0.2 in).
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 75 ~ 80 mm (3.0 ~ 3.1 in) when
one passenger is astride seat (upper rear posture).
Replace with soft spring.
Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
7 - 18
T U N
Adjust

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