Specifications - Honda CRF250R Owner's Manual & Competition Handbook

250R_140-162.qxd 2008.07.17 15:43 ページ147
Item
Metric
Dimension
Overall length 2,170 mm
Overall width 827 mm
Overall height 1,277 mm
Wheelbase 1,477 mm
Seat height 965 mm
Footpeg height 446 mm
Ground clearance 362 mm
Frame
Type
Telescopic fork
F. suspension travel 279 mm (11.0 in)
stroke 315 mm (12.4 in)
R. suspension
travel 313 mm (12.3 in)
80/100-21 M/C 51M MST
ED
PIRELLI
Front tyre
80/100-21 51M
U
DUNLOP
100/90-19 57M NHS
ED
PIRELLI
Rear tyre
100/90-19 57M
U
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 recommendation
octane number of 95 or higher
7.3R
Fuel capacity
Caster angle
Trail length 125 mm
Fork oil capacity
368 cm
(except fork damper per leg)
Item
English
Engine
85.4 in
Type
32.6 in
Cylinder arrangement
50.3 in
58.1 in
Bore and stroke
38.0 in
17.6 in
Displacement
14.3 in
Compression ratio
Twin tube
Valve clearance
(cold)
Engine oil capacity
After draining
Pro-link
After draining and
oil filter change
After disassembly
SCORPION MX
MIDSOFT 32
Transmission oil capacity
D742FA After draining
After disassembly
SCORPION MX
MIDSOFT 32
Carburetor
Type
D756
Identification number
Main jet (standard)
2
, 15 psi )
Jet needle (standard)
2 , 15 psi )
Needle clip position (standard)
2 2
(51.8 in ) Slow jet (standard)
Pilot screw opening
2 2
(60.6 in )
Float level
Idle speed
Cooling system
1.9 US gal,
1.61 Imp gal
Cooling capacity after
27˚50' draining
4.9 in
after disassembly
12.4 US oz,
3
13.0 Imp oz
Metric English Item
Drive train
Liquid cooled, 4-stroke
Clutch type
Single 10˚ inclined from
Transmission
vertical
Primary reduction
78.0 x 52.2
3.07 x 2.06 in Gear ratio I
mm
Gear ratio II
3
249.4 cm 15.22 cu-in
Gear ratio III
13.0 : 1
Gear ratio IV
0.12 ± 0.03 mm
Intake:
(0.005 ± 0.001 in)
Gear ratio V
0.28 ± 0.03 mm
Exhaust:
Final reduction
(0.011 ± 0.001 in)
0.70 US qt,
Gear shift pattern
0.66R
0.58 Imp qt
Electrical
0.73 US qt,
0.69R
Ignition
0.61 Imp qt
0.90 US qt, Starting system
0.85R
0.75 Imp qt
Spark plug :
0.63 US qt, Standard
0.60R
0.53 Imp qt
For extended high
speed riding
0.74 US qt,
0.70R
0.62 Imp qt
Spark plug gap
Piston valve
FCR12D
#178
NNTU
3rd groove
#42
1 1/4 turns out
0.24 in
6.0 mm
1,700 ± 100 min
–1 (rpm)
0.98 US qt,
0.93R
0.82 Imp qt
1.06 US qt,
1.00R
0.88 Imp qt

Specifications

Metric English
Wet, multi-plate type
5-speed, constant mesh
3.166
2.142
1.750
1.450
1.227
1.041
3.923
Left foot-operated return
system 1-N-2-3-4-5
ICM
Kickstarter
NGK R0409B-8
NGK R0409B-9
0.6 – 0.7 mm
(0.024 – 0.028 in)
147
Technical Information