Suspension Setting (Front Fork) - Yamaha YZ250F 2016 Owner's Service Manual

SUSPENSION SETTING (FRONT FORK)

EAS1SM9378
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
10-6
Check
Compression Turn adjuster counterclock-
damping force wise (about 2 clicks) to de-
crease damping.
Oil amount Decrease oil amount by about
5–10 cm
0.4 Imp.oz).
Spring Replace with soft spring.
Outer tube Check for any bends, dents,
Inner tube other noticeable scars, etc. If
any, replace affected parts.
Slide metal Replace with a new one for ex-
tended use.
Piston metal Replace with a new one for ex-
tended use.
Lower bracket Retighten to specified torque.
tightening
torque
Rebound Turn adjuster counterclock-
damping force wise (about 2 clicks) to de-
crease damping.
Oil seals Apply grease in oil seal wall.
Compression Turn adjuster clockwise (about
damping force 2 clicks) to increase damping.
Oil amount Increase oil amount by about
5–10 cm
0.4 Imp.oz).
Spring Replace with stiff spring.
Decrease oil amount by about
Oil amount
5 cm
Increase oil amount by about 5
Oil amount cm
Turn adjuster counterclock-
Compression
wise (about 2 clicks) to de-
damping force
crease damping.
CHASSIS
Adjust
3
(0.2–0.3 US oz, 0.2–
3
(0.2–0.3 US oz, 0.2–
3
(0.2 US oz, 0.2 Imp.oz).
3
(0.2 US oz, 0.2 Imp.oz).