Yamaha YZ 2018 Series, Руководство по эксплуатации для владельца

Страница: 387 / 402

CHASSIS
10-6
EASB29B399
SUSPENSION SETTING (FRONT FORK)
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
Section
Check Adjust
Jump
Large
gap
Medi-
um
gap
Small
gap
Stiff over entire
range
✓ ✓ ✓
Compression
damping force Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.
Oil amount Decrease oil amount by about
5–10 cm
3
(0.2–0.3 US oz, 0.2–
0.4 Imp.oz).
Spring Replace with soft spring.
Unsmooth
movement over
entire range
✓ ✓ ✓ ✓
Outer tube
Inner tube Check for any bends, dents,
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
tightening
torque Retighten to specified torque.
Poor initial
movement
✓
Rebound
damping force Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.
Oil seals Apply grease in oil seal wall.
Soft over entire
range, bottom-
ing out
✓ ✓
Compression
damping force Turn adjuster clockwise (about
2 clicks) to increase damping.
Oil amount Increase oil amount by about
5–10 cm
3
(0.2–0.3 US oz, 0.2–
0.4 Imp.oz).
Spring Replace with stiff spring.
Stiff toward
stroke end
✓
Oil amount
Decrease oil amount by about
5 cm
3
(0.2 US oz, 0.2 Imp.oz).
Soft toward
stroke end, bot-
toming out
✓
Oil amount
Increase oil amount by about 5
cm
3
(0.2 US oz, 0.2 Imp.oz).
Stiff initial
movement
✓ ✓ ✓ ✓
Compression
damping force
Turn adjuster counterclock-
wise (about 2 clicks) to de-
crease damping.