Specifications - Honda CRF450R 2006 Owner's Manual

Item English
Dimension
Overall length 86.3 in
Overall width
32.5 in
Overall height 49.7 in
Wheelbase
58.7 in
Seat height 37.6 in
Footpeg height
17.0 in
Ground clearance 13.3 in
Frame
Type Twin tube
Telescopic fork,
travel 11.0 in (280 mm)
F. suspension
stroke 12.4 in (315 mm)
R. suspension
travel 12.6 in (320 mm)
80/100 – 21 51M
Tire size, front
DUNLOP
110/90 – 19 62M
Tire size, rear
DUNLOP
Tire pressure, front (cold) 15 psi (100 kPa, 1.0 kgf/cm
Tire pressure, rear (cold) 15 psi (100 kPa, 1.0 kgf/cm
Single disc brake
F. brake, swept area
51.8 in
Single disc brake
R. brake, swept area
60.6 in
Fuel capacity 1.90 US gal
Caster angle
Trail length 4.30 in
Fork oil capacity
(except fork damper 12.7 US oz
per leg)
Metric Item
Engine
Type
2,191 mm
825 mm
Cylinder arrangement
1,262 mm
1,492 mm Bore and stroke
955 mm
Displacement
432 mm
Compression ratio
339 mm
Valve clearance
(cold)
Engine oil capacity
After draining
After draining and
Pro-link,
oil filter change
After disassembly
Transmission oil
D742F
capacity
After draining
D756
After disassembly
2
)
Carburetor
2
)
Type
Identification number
2 2
(334.5 cm )
Main jet (standard)
2 2 Jet needle (standard)
(391.1 cm )
Needle clip position
7.2R
(standard)
26˚47'
Slow jet (standard)
109.3 mm
Pilot screw opening
3
375 cm
Float level
Idle speed
English Metric
Drive train
Liquid cooled, 4-stroke Clutch type
Single 8˚ inclined from Transmission
vertical
Primary reduction
96.0 x 62.1
Gear ratio I
3.78 x 2.44 in
mm
Gear ratio II
3
27.41 cu-in 449.4 cm
Gear ratio III
12.0 : 1
Gear ratio IV
0.006 ± 0.001 in
Intake:
(0.16 ± 0.03 mm)
Gear ratio V
0.011 ± 0.001 in
Exhaust:
Final reduction
(0.28 ± 0.03 mm)
Gear shift pattern
3
0.70 US qt 660 cm
Electrical
Ignition
3
0.73 US qt 690 cm
3 Starting system
0.90 US qt 850 cm
Spark plug :
3
0.62 US qt 590 cm
3
0.71 US qt 670 cm
Piston valve
FCR00E
# 168 Spark plug gap
NCYQ
4th groove
# 42
1 1/2 turns out
0.31 in
8.0 mm
1,700 ± 100 rpm

Specifications

Item English
Wet, multi-plate type
5-speed, constant mesh
2.739
1.800
1.470
1.235
1.050
0.909
3.692
Left foot-operated return
system 1-N-2-3-4-5
ICM
Kickstarter
NGK
IFR8H11
Standard
DENSO
VK24PRZ11
NGK
For extended high
IFR9H11
speed riding
DENSO
VK27PRZ11
0.039 – 0.043 in
(1.0 – 1.1 mm)
Technical Information
Metric
143