Yamaha WR450FB 2012 Owner's Service Manual page 127

CHASSIS
Section
Symptom
Large
Medi-
Small
Check
Adjust
Jump
gap
um
gap
gap
Compression
Turn adjuster clockwise (about
damping 2 clicks) to increase damping.
Rebound Turn adjuster counterclock-
damping wise (about 2 clicks) to de-
Low front, tend-
crease damping.
ing to lower 0 0
Balance with Setsunkenlengthfor95-100
front posture
rear end mm (3.7-3.9 in) when one
passenger is astride seat (low-
er rear posture).
Oil amount
Increase oil amount by about 5
cm
3
(0.2 Imp.oz, 0.2 US oz).
Compression Turn adjuster counterclock-
damping wise (about 2 clicks) to de-
crease damping.
Balance with Set sunken length for 90-95
11
0btrusive
11
rear end mm (3.5-3.7 in) when one
front, tending to
0 0
passenger is astride seat (up-
upper front pos-
per rear posture).
tu re
Spring
Replace with soft spring.
Oil amount
Decrease oil amount by about .
5-1 O cm
3
(0.2-0.4 Imp.oz,
0.2-0.3 US oz).
4-7