General Specifications - Honda CRF450X 2005 Service Manual

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GENERAL INFORMATION
GENERAL SPECIFICATIONS
ITEM
SPECIACATION
DIMENSIONS
Overall length
('05 -
' 07)
2,180
mm
(85.8
in)
(After
'
07)
2,179
mm
(85.8
in)
Overall width
82
1
mm
(32.3
in)
Overall height
1,273
mm
(50.1
in)
Wheelbase
1'05
-
'07)
1,483
mm (58.4 in)
(After
'07)
1,480
mm
(58.3
i n)
Seat height
963 mm (37.9
in)
Footpeg
height
43
1
mm (17.0 in)
Ground clearance
345 mm (13.6 in)
FRAME
Frame
type
Twin tube
Front
suspension
Telescopic fork
Front
suspension
axle
travel
279
mm
("
.0
i
n)
Front
suspension
cushion
stroke
315
mm
(12.4
in)
Rear suspension
Pro-link
Rear
w heel
travel
313
mm
(12.3
in)
Rear
damper
Decarbon type with nitrogen gas
filled
damper
Front
tire size
80/100·
21
51
M
Rear tire
size
,,0/100·1884M
Tire
brand
(Dunlop)
('05-
'07)
Front:
D742F
(After '07)
Front:
D742FA
Rear: 0756
Front brake
Hydraulic
single disc
Front brake
swept
area
334.5
cm
2
(51.8 in
1 )
Rear brake
Hydraulic sing le disc
Rear brake swept area
391.1
cm! (60.6 1n2)
Caster angle
('05 -
'07)
27"
10'
(After
'07)
27°03'
Trail length
('05
-
'07)
110 mm
(4.3
in
)
(After '07)
114.7
mm (4.52
in)
Fu el
tank capacity
('05
-
'07)
8.6
liter
(2.27
US
gal,
1.89
Imp gal)
(After
'07)
7.2 liter (1.90
US
gal, 1.58 Imp
gal)
Fu
el
tank re serve
capacity
('05 - '07)
1.4
liter
(0.37
US
gal, 0.31 Imp gat)
(After
'07)
1.6 liter
(0.42
US
gal,
0.35
Imp
gat)
ENGINE
Bore and
s1roke
96.0
x
62.1
mm
(3.
78
x
2.44
in)
Displacement
449
cm'
(27.4
cu·
in)
Compressi
on
ratio
12.0
:
1
Valve
train
Chain
dr
ive and OHC w ith rocker arm
Intake
valve
opens
at 1.0 mm
(0.04 in)
lift
10"
BTOC
closes
at
1.0
mm
(0.04
in)
lift
45"
ABDC
Exhaust
valve
opens
at
1.0 mm
(0.04 in)
lift
50"
BBOC
closes
at 1.0 mm (0.04
in)
lift
15"
ATOC
Lubricatio
n
system
Forced
pressure and wet sump
Oil
pump
type
Troch
oid
Cooling system
Liquid
cooled
Air filtration
Oiled polyu rethane foam
Crankshaft
type
Assembled
type
Engine dry
weight
32.3 kg (71.2 IbsJ
Cylinder arrangement
Sing le
cylinder,
inclined
6"
from vertical
CARBURETOR
Carbu retor type
Piston valve
type
Venturi
diameter
40 mm (1.6 in)
1-5

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