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Specifications
Technical Information 175
Specifications
Item English Metric
Dimension
Overall length
CRF250R:
85.9 in
CRF250RX:
86.0 in
CRF250R:
2,181 mm
CRF250RX:
2,185 mm
Overall width
32.6 in 827 mm
Overall height
CRF250R:
49.6 in
CRF250RX:
49.7 in
CRF250R:
1,260 mm
CRF250RX:
1,262 mm
Wheelbase
58.5 in 1,486 mm
Seat height
CRF250R:
37.7 in
CRF250RX:
37.8 in
CRF250R:
957 mm
CRF250RX:
961 mm
Footpeg height
CRF250R:
16.4 in
CRF250RX:
16.5 in
CRF250R:
416 mm
CRF250RX:
419 mm
Ground clearance
CRF250R:
12.9 in
CRF250RX:
13.0 in
CRF250R:
327 mm
CRF250RX:
329 mm
Frame
Type Twin tube
F. suspension Telescopic fork,
travel 10.6 in (268 mm)
stroke 12.0 in (305 mm)
R. suspension Pro-link,
travel 12.5 in (317 mm)
Tire size, front CRF250R: 80/100-21 51M
CRF250RX: 90/90-21 54M
DUNLOP
CRF250R:
MX3SF
CRF250RX:
AT81F
Tire size, rear CRF250R: 100/90-19 57M
CRF250RX: 110/100-18 64M
DUNLOP
CRF250R:
MX3S
CRF250RX:
AT81
Tire type bias-ply, tube
Tire pressure, front
(cold)
15 psi (100 kPa, 1.0 kgf/cm
2
)
Tire pressure, rear
(cold)
15 psi (100 kPa, 1.0 kgf/cm
2
)
F. brake, swept area Single disc brake
56.0 in
2
(361.0 cm
2
)
R. brake, swept area Single disc brake
60.5 in
2
(390.3 cm
2
)
Fuel
unleaded gasoline, pump
octane number of 91 or higher
Fuel tank capacity
CRF250R:
1.66 US gal
CRF250RX:
2.25 US gal
CRF250R:
6.3 ℓ
CRF250RX:
8.5 ℓ
Caster angle CRF250R: 27°29’
CRF250RX: 27°18’
Trail length CRF250R:
4.6 in
CRF250RX:
4.5 in
CRF250R:
116 mm
CRF250RX:
115 mm
Fork oil capacity
(except damper)
CRF250R:
11.6 US oz
CRF250RX:
12.0 US oz
CRF250R:
343 cm
3
CRF250RX:
356 cm
3
Fork oil capacity
(damper)
8.2 US oz 243 cm
3
Item English Metric
Engine
Type Liquid cooled, 4-stroke
Cylinder arrangement Single 9° inclined from
vertical
Bore and stroke 3.1102 x
2.0034 in
79.000 x
50.887 mm
Displacement 15.215 cu-in 249.43 cm
3
Compression ratio 13.9 : 1
Valve clearance (cold) Intake: 0.004 ± 0.001 in
(0.09 ± 0.03 mm)
Exhaust:0.007 ± 0.001 in
(0.19 ± 0.03 mm)
Engine oil capacity
1.14 US qt 1.08 ℓafter draining
after draining and oil
filter change 1.18 US qt 1.12 ℓ
after disassembly 1.43 US qt 1.35 ℓ
Throttle body
Identification number GQA7A
Idle speed 2,000 ± 100 rpm
Item English Metric
Cooling system
Cooling capacity
0.99 US qt 0.94 ℓafter draining
after disassembly 1.15 US qt 1.09 ℓ
Drive train
Clutch type Wet, multi-plate type
Transmission 5-speed, constant mesh
Primary reduction 3.473
Gear ratio I 2.230
Gear ratio II 1.750
Gear ratio III 1.470
Gear ratio IV 1.227
Gear ratio V 1.043
Final reduction 3.692
Gear shift pattern Left foot-operated return
system 1-N-2-3-4-5
Electrical
Battery HY85S lithium-ion (li-ion)
12V-2.0 Ah (20HR)
Ignition ECM
Starting system Electric
Spark plug
NGK R0451B-9
Standard
Spark plug gap 0.024 – 0.028 in
(0.60 – 0.70 mm)
Fuse
Main fuse 10 A
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