Rear Wheel/Suspension Service Information - Honda 2010 CRF250R Service Manual

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 rear wheel. support the motorcycle using a safely stand or hoist.
For optimum suspension performance and linkage component service life, the swingarm and shock linkage pivot bearing (along
wi th related seals and bushings) should be disassembled, cleaned , inspected for wear and lubricated with multi-purpose grease
NLGI No.2 (molybdenum disulfide MoS2 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 1-30).
For brake system information (page 15-4).
Use Honda genuine 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
Cold tire pressure
Axle shaft runout
ITEM
STA NDARD
t
100 kPa (1 0 kgf/cm
2
,
15 psi)
Unit: mm (in)
SERVIC E LIMIT
I
0.2 (0.01)
_t-_ _________
---j~2.~0
(:0.08)
h'.i:"ino;';:"'"t=,,";-;c~Ai.''iOia;:;'=
_ _ _ _ _ _ _ _ _ _
-+,,===c;oc", ________
+
2.0 (0.08)
Wheel rim Radial
Wheel hub-to-rim distance See page 14-10
=-__
--1
I~D~'i~,.i'ach~a~ini,-"""rs~i~Z.~/~lin~kk--l=~D~I~D>:::=====t:go10
520DMA4-116RB
-+
I-~RiiK,".-- ___
-+--;,oRK 520TXZ-116RJ
- ' 10,'11 3040(1.21.6)
Slack
hAiih"'.o', ' ' '1 <1
-----i--iii
25
35 (1.0 - 1.4)
Drive chain length at 17 pins (16 pitches)
Drive chain slider thickness Upper side
lower side
Drive chain roller 0.0. '10, '11
After
'11
~ ShockC----c~D~a~m~p~e~'~9~a' ~ p' ~ e~'~ , " ~ , ~ e-
absorber Damper compressed gas
Recommended shock oil
Upper
lower
Damper rod compressed force at 12
mm compressed
Spring
installed length
(standard)
'10
·11, '12
After '12
980 kPa
(9.9
kg/cm?, 142 psi)
Nitrogen gas
HP Fork Oit 88-25
196 - 235
N
(20.0 24.0 kgf, 44.1 52.9
Ibf)
259.9 (10.23)
260 .8 (10.27)
261 .2 (10.28)
259 (10.2)
5 (0,2)
2.5 (0.1 0)
35 (1 .4)
39 (1.5)
31 (1.2)
Oil capacity 372 cm (12.6 US
OZ,
13-:ilmp oz)
f--" H "i9~h",~ p~ . 7 . d"'co 7 m==p~,e='='~io~n""'=----'~~'J ' *0 ' _-_ - _-_ - _-_-_ - _ -_ -_ -_ -_ -_t -_ ~l t ,;1,,1~2~-'-i,-
"5/12 turns
outif4COgm~f"~"~in~
- C
-= -= - = - =
-=
- = - = - = - = - = - =
- =
- ~
-= -=_
damping adjuster standard
t-:'~1~1~;::;:====:j:=l t ·~'~/~2~-~1-7/12turns
out from fu ll in
position
f-
'12 1-1/2 - 2 turns oul from full in
t-===========o-+~A~ft~e~'_ ' l~2~
_ _ _
-+h '~·3~/~4,,-:c2-1/4turns
out
fro ~ m,,-"f"~"~i~n
_ _ _ _ _ __ _
Low speed compression damping ·10 7 clicks out from full in
adjuster standard position After '10 8 clicks
out~f,;o~m~f~"i"~in~';;=========:=::-
I
Rebound damping adjuster '10 9 -12 clicks out from full in _
standard position 'II, '12 10 clicks out from full in
After '12 11 clicks out from full in
14-3