Honda CRF250X User Manual

Technical Information 151
Specifications
Overall length
Overall width
Overall height
Wheelbase
Seat height
Footpeg height
Ground clearance
Item
Item English
85.6 in
32.6 in
49.6 in
58.3 in
37.7 in
17.0 in
13.6 in
Metric
EnglishMetric
2,174 mm
827 mm
1,261 mm
1,481 mm
958 mm
432 mm
346 mm
Dimension
Item EnglishMetric
3.07 x 2.06 in
78.0 x 52.2
mm
0.31 in
8.0 mm
Cylinder arrangement
Bore and stroke
Displacement
Compression ratio
Engine oil capacity
after draining
after draining and
oil filter change
after disassembly
after disassembly
Transmission oil
capacity
after draining
Type
Identification number
Main jet
Jet needle
Needle clip position
Piston valve
FCR14B
#132
NKKT
3rd groove from top
Slow jet
Pilot screw opening
Float level
Idle speed
Liquid cooled, 4-stroke
#42
1 3/4 turns out
1,700 ± 100 min
-1
(rpm)
Type
Engine
Carburetor
12.9 : 1
Valve clearance (cold)
Intake: 0.12 ± 0.03 mm
(0.005 ± 0.001 in)
Exhaust: 0.28 ± 0.03 mm
(0.011 ± 0.001 in)
15.2 cu-in249 cm
3
0.70 US qt,
0.58 Imp qt
0.73 US qt,
0.61 Imp qt
0.90 US qt,
0.75 Imp qt
0.71 US qt,
0.59 Imp qt
0.79 US qt,
0.66 Imp qt
0.66R
0.69R
0.85R
0.67R
0.75R
1.19 US qt,
0.99 Imp qt
1.13R
1.27 US qt,
1.06 Imp qt
1.20R
after disassembly
Cooling system, capacity
after draining
Single 10 inclined from
vertical
Type
Frame
Fork oil capacity
(except fork damper
per leg)
F. suspension
R. suspension
F. brake, swept area
R. brake, swept area
Fuel recommendation
Fuel capacity
Caster angle
Trail length
Twin tube
Telescopic fork,
travel 280 mm (11.0 in)
stroke 315 mm (12.4 in)
Pro-link,
travel 312 mm (12.3 in)
bias-ply, tube
Single disc brake
334.5 cm
2
(51.8 in
2
)
Single disc brake
391.1 cm
2
(60.6 in
2
)
unleaded petrol,
research octane number
of 95 or higher
27 54
Tyre pressure, front (cold)
100 kPa (1.0 kgf/cm
2
, 15 psi)
Tyre pressure, rear (cold)
1.93 US gal,
1.61 Imp gal
7.3R
0.42 US gal,
0.35 Imp gal
1.6R
4.6 in118 mm
11.7 US oz,
12.1 Imp oz
345 cm
3
Tyre type
Tyre size, front
90/90-21M/C 54R
BRIDGESTONE ED663
Tyre size, rear
120/90-18M/C 65R
BRIDGESTONE ED668
Fuel reserve capacity
100 kPa (1.0 kgf/cm
2
, 15 psi)
250X_140-168.qxd 08.7.3 10:16 ページ151

Honda CRF250X Specifications

General

Engine Type	249cc liquid-cooled single-cylinder four-stroke
Bore and Stroke	78.0mm x 52.2mm
Compression Ratio	12.9:1
Induction	Keihin 37mm flat-slide carburetor
Ignition	CDI
Transmission	Wide-ratio five-speed
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	100/100-18
Trail	113mm (4.4 inches)
Wheelbase	58.3 inches
Seat Height	37.7 inches
Fuel Capacity	1.9 gallons
Final Drive	520 chain; 13T/51T
Rake	27.5 degrees
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and 13-position compression damping adjustability; 12.4 inches travel
Curb Weight	254 lbs (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)