Yamaha WR250F 2008 Owner's And Service Manual page 95

SUSPENSION SETTING (FRONT FORK)
• If any of the following symptoms is experienced with the standard position as the base, make 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 90–100 mm (3.5–3.9 in).
Symptom
Jump
Stiff over entire
○
range
Unsmooth move-
○
ment over entire
range
Poor initial move-
ment
Soft over entire
○
range, bottoming
out
Stiff toward stroke
○
end
Soft toward stroke
○
end, bottoming out
Stiff initial move-
○
ment
Low front, tending to
lower front posture
"Obtrusive" front,
tending to upper
front posture
Section
Medi-
Large Small
um
gap gap
gap
Compression damping
○ ○
Oil level (oil amount)
Spring
Outer tube
Inner tube
○ ○ ○
Under bracket tighten-
ing 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)
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 in-
crease 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 in-
crease damping.
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 95–100 mm (3.7–3.9 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 90–95 mm (3.5–3.7 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).
4-8
CHASSIS
Adjust