Honda CRF450R 2009 Service Manual page 443

REAR WHEEUSUSPENSION
SERVICE INFORMATION
GENERAL
The shock absorber contains nitrogen under high pressure. Do not allow fire or heat near the shock absorber.
A contaminated brake disc or pad reduces stopping power. Discard contaminated pads and clean a contaminated disc with a
high quality brake degreasing agent.
When servicing the feaf wheel, support the motorcycle using a
safety
stand or hoist.
For optimum suspension performance and linkage component service life, the swingarm and shock linkage pivot bearing (along
with related seals and bushings) should be disassembled, cleaned , inspected for wear and lubricated with multi-purpose grease
NLGI No.2 (molybdenum disulfide additive) every 3 races or 7.5 hours of operation ,
Optional rear wheel sprockets, drive chain , shock springs and pin spanners are available. For optional parts (page 1-46).
For brake system information (page 16-4).
Use genuine Honda replacement bolts and nuts for all suspension pivot and mounting points.
After the rear wheel installation, check the brake operation by applying the brake pedal.
SPECIFICATIONS
~t:
mm(in)
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g p 5
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I : : : "m Radial
-
0""" chain
~
- ~
-
2.0 (0.08)
~
-
-
Slack
r
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. 2- .
-
I., '
1- 40
.,
-
.
-
~
I I >0117 pin" 16 ,
-
259 (10,2)
I
, chain slide'
~
-
O"vecha'n
r '09 C' 1
-
~~
roller
0 .0 .
'12
~
i
-
35
. -
1 '13::-'15
-
-
Afte' '15 Uppe,
-
33
ShoCk
~
,
, 145 psi)
-
absorber
j
gas
I n gas
-
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i
KVB
KH V 10-K2C
-
12mm"od
ii4
':-2~.~
kgf, 40.6 - 49.4 Ibn
~~~~I
II
~-" 2
-
~ .
(standard)
'14 - ' 15 2 .5 1 ,94'
-
FiER
2" .0 388:
~
-
all
. c1 . I
~'3.5US ~1' . ~
-
liyh.speed
I
1- 3tumsout II In
-
position
~~
1· '
~s
out f,om full In
H
-'1'
·112
~ ~.516
lums out fmm
~II
,;
-
'15 18 clicks n full In
-
low speed compression damping
4 f' 11 11 - 15 I oks outfrom full In
,
adjuster standard position
' 12 10 -. 14 I oks outf",m iull In
-
,
'~1illTn
II
h
-
. -
I
2C lull In
-
15-3