Specifications - Honda CRF450R Manual Del Propietario Y Guía De Competiciones

Specifications

Item Metric
Dimension
Overall length 2,191 mm
Overall width 827 mm
Overall height 1,273 mm
Wheelbase 1,491 mm
Seat height 954 mm
Footpeg height 424 mm
Ground clearance 332 mm
Frame
Type
Telescopic fork,
F. suspension travel 273 mm (10.7 in)
stroke 310 mm (12.2 in)
R. suspension Pro-link, travel 320 mm (12.6 in)
Tyre size, front (ED Type) 80/100-21 M/C 51M MST
SCORPION MX MIDSOFT 32
Tyre size, rear (ED Type) 110/90-19 62M NHS
SCORPION MX MIDSOFT 32
Tyre size, front (U Type) 80/100-21 51M
DUNLOP
Tyre size, rear (U Type) 120/80-19 63M
DUNLOP
Tyre type bias-ply, tube
Tyre pressure, front (cold) 100 kPa (1.0 kgf/cm
Tyre pressure, rear (cold) 100 kPa (1.0 kgf/cm
Single disc brake
F. brake, swept area
334.5 cm
Single disc brake
R. brake, swept area
391.1 cm
unleaded petrol, research
Fuel
octane number of 95 or higher
Fuel tank capacity 5.7 ℓ
Caster angle
Trail length 114.5 mm
Fork oil capacity
355 cm
(except fork damper)
English Item
Engine
86.3 in Type
32.6 in
Cylinder arrangement
50.1 in
Bore and stroke
58.7 in
Displacement
37.6 in
Compression ratio
16.7 in
Valve clearance (cold)
13.1 in
Twin tube
Engine oil capacity
after draining
after draining and oil
filter change
after disassembly
PIRELLI
Transmission oil capacity
after draining
after disassembly
PIRELLI
Throttle body
Identification number
D742FA
First idle speed
Cooling system
D756
Cooling capacity
after draining
2 , 15 psi )
after disassembly
2 , 15 psi )
2 2
(51.8 in )
2 (60.6 in 2 )
1.51 US gal,
1.25 Imp gal
26°53'
4.51 in
12.0 US oz
3
12.5 Imp oz
Metric English
Drive train
Liquid cooled, 4-stroke Clutch type
Single 6°30' inclined Transmission
from vertical
Primary reduction
96.0 x 62.1 mm 3.78 x 2.44 in
Gear ratio I
449.7 cm 3 27.43 cu-in
Gear ratio II
12.0 : 1
Gear ratio III
Intake: 0.16 ± 0.03 mm
Gear ratio IV
(0.006 ± 0.001 in)
Exhaust: 0.28 ± 0.03 mm Gear ratio V
(0.011 ± 0.001 in)
Final reduction
0.61 US qt
0.58 ℓ
Gear shift pattern
0.51 Imp qt
Electrical
0.66 US qt
0.62 ℓ
0.55 Imp qt
Ignition
0.81 US qt
Starting system
0.77 ℓ
0.68 Imp qt
Spark plug :
0.62 US qt
0.59 ℓ
0.52 Imp qt
0.71 US qt
0.67 ℓ
0.59 Imp qt
Spark plug gap
GQ25A
1,800 ± 100 min -1 (rpm)
1.10 US qt
1.04 ℓ
0.92 Imp qt
1.12 US qt
1.06 ℓ
0.93 Imp qt

Specifications

Item Metric
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
ECM
Kickstarter
NGK
Standard SILMAR9A-9S
For extended high NGK
speed riding
SILMAR10A-9S
0.8 – 0.9 mm
(0.031 – 0.035 in)
Technical Information
English
153