Suspension Setting (Front Fork) - Yamaha WR250F Owner's Service Manual

SUSPENSION SETTING (FRONT FORK)

EAS2GB2150
TIP
• If any of the following symptoms is experienced with the standard position as the base, make reset-
ting 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
movement over
entire range
Poor initial
movement
Soft over entire
range, bottom-
ing out
Stiff toward
stroke end
Soft toward
stroke end, bot-
toming out
Stiff initial
movement
Section
Medi-
Large Small
um
gap gap
gap
Check
Compression
damping force
Oil amount
Spring
Outer tube
Inner tube
Slide metal
Piston metal
Lower bracket
tightening
torque
Rebound
damping force
Oil seals
Compression
damping force
Oil amount
Spring
Oil amount
Oil amount
Compression
damping force
4-6
CHASSIS
Adjust
Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.
Decrease oil amount by about
3
5–10 cm (0.2–0.3 US oz, 0.2–
0.4 Imp.oz).
Replace with soft spring.
Check for any bends, dents,
other noticeable scars, etc. If
any, replace affected parts.
Replace with a new one for ex-
tended use.
Replace with a new one for ex-
tended use.
Retighten to specified torque.
Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.
Apply grease in oil seal wall.
Turn adjuster clockwise (about
2 clicks) to increase damping.
Increase oil amount by about
3
5–10 cm (0.2–0.3 US oz, 0.2–
0.4 Imp.oz).
Replace with stiff spring.
Decrease oil amount by about
3
5 cm (0.2 US oz, 0.2 Imp.oz).
Increase oil amount by about 5
3
cm (0.2 US oz, 0.2 Imp.oz).
Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.