Honda CRF250X 2007, Owner'S Manual & Competition Handbook

Page: 157 / 185

Specifications
152
Technical Information
Spark plug gap 0.03 – 0.04 in
(0.8 – 0.9 mm)
Valve clearance
(cold) Intake: 0.005
±
0.001 in
(0.12
±
0.03 mm)
Exhaust: 0.011
±
0.001 in
(0.28
±
0.03 mm)
Item English
3.07 x 2.06 in
0.31 in
Cylinder arrangement
Bore and stroke
Displacement
Compression ratio
Engine oil capacity
at draining
at draining and
oil filter change
at disassembly
at disassembly
Transmission oil
capacity
at draining
Type
Identification number
Main jet
Jet needle
Piston valve
FCR03B
# 132
NLBU
Needle clip position
(standard)
Slow jet
Pilot screw opening
Float level
Idle speed
Liquid cooled, 4-stroke
2nd groove
# 42
2 1/4 turns out
1,700
±
100 rpm
Type
Metric
0.66 R
0.69 R
0.85 R
0.67
R
0.75 R
1.13
R
1.20 R
78.0 x 52.2
mm
8.0 mm
Engine
Carburetor
12.9 : 1
Clutch type
Transmission
Primary reduction
Gear ratio I
Gear ratio II
Gear ratio III
Gear ratio IV
Gear ratio V
Final reduction
Item English Metric
Drive train
Electrical
Wet, multi-plate type
5-speed, constant mesh
3.611
2.384
1.750
1.333
1.041
0.814
3.786
NGK
DENSO
NGK
DENSO
Gear shift pattern
Ignition
Starting system
Spark plug :
Standard
For extended high
speed riding
ICM
Electric, Kickstarter
Battery 12V-4 Ah
Light
Head light 12V-35 W
Fuse
Main fuse 15 A
Left foot-operated return
system 1-N-2-3-4-5
IMR8C-9H
VUH24D
IMR9C-9H
VUH27D
15.2 cu-in
0.70 US qt
0.73 US qt
0.90 US qt
0.71 US qt
0.79 US qt
249 cm
3
at disassembly
Cooling system,
capacity
at draining
1.19 US qt
1.27 US qt
Single disc brake
60.6 in
2
(391.1 cm
2
)
Overall length
Overall width
Overall height
Wheelbase
Seat height
Footpeg height
Ground clearance
Item English
85.5 in
32.6 in
49.6 in
58.3 in
37.7 in
17.0 in
13.6 in
Metric
Type
Dimension
Frame
Fork oil capacity
(except fork damper per leg)
F. suspension
R. suspension
Tire size, front
Tire size, rear
F. brake, swept area
Tire pressure, front (cold)
R. brake, swept area
unleaded gasoline, pump
octane number of 91 or
higher
Fuel recommendation
Fuel capacity
Caster angle
Trail length
Twin tube
Telescopic fork,
travel 11.0 in (280 mm)
stroke 12.4 in (315 mm)
Pro-link,
travel 12.3 in (312 mm)
80/100 – 21 51M
DUNLOP D742F
DUNLOP D756
100/100 – 18 59M
Single disc brake
51.8 in
2
(334.5 cm
2
)
27 54
2.19 US gal
4.6 in
15 psi (100kPa, 1.0 kgf/cm
2
)
Tire type
bias-ply, tube
Tire pressure, rear (cold)
15 psi (100kPa, 1.0 kgf/cm
2
)
11.8 US oz
348 cm
3
118 mm
8.3 R
Fuel reserve capacity 0.40 US gal 1.5
R
2,172 mm
827 mm
1,261 mm
1,481 mm
958 mm
432 mm
346 mm
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140-180.qxd 06.7.4 14:29 ページ152