Honda CRF450R 2009 Service Manual page 475

One tum of the
adjusting nut
changes the spnng
length by
1.5
mm
(0.06 in) .
Space the spring seat end gap and shock absorber
spring end 180· apart as shown.
loosely
lighten
the spring adjusting nut and spring
adjuster lock nut.
Tum the spring adjusting nul until the spring length
measurement recorded at disassembly is reached or
unlil the spring length is as specified below.
STANDARD SPRING LENGTH :
'09 - '12: 249.5 mm (9.82 In)
'13: 251 .0
mm
(9.88
in)
'14, '15: 252.5 mm (9.94 in)
After '15: 251 .0 mm (9 .88 In)
Hold the spring adjusting nut, and lighten the spring
adjuster lock nut to the specified torque.
TORQUE: 28 N 'm (2.9 kgf' m , 211bHt)
Use this standard spring length as the baseline.
See the Owner's Manual for detailed instructions on
adjusting preload and damping for riding conditions and
rider skill.
Make sure the spring seat end gap and shock absorber
spring end 180· apart from each end.
SEAT
SEAT
REAR WHEEUSUSPENSION
NUT
LOCKNUT
STANDARD
LENGTH
END
15-35