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Specifications
of the '04 CRF250X and '05 CRF450X |
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'04
CRF250X |
'05
CRF450X |
Engine
Type |
249.4cc
liquid-cooled single-cylinder four-stroke |
449cc
liquid-cooled single-cylinder four-stroke |
Bore
and Stroke |
78.0mm
x 52.2mm |
96mm
x 62.0mm |
Compression
Ratio |
12.5
: 1 |
12.0:1 |
Valve
Train |
Unicam;
four-valve |
Unicam;
four-valve |
Carburetion |
Keihin
37mm flat-slide with throttle position sensor (TPS) |
Keihin 40mm flat-slide with
throttle position sensor (TPS) |
Ignition |
Solid-state
CD with electronic advance and lighting coil |
Solid-state
CD with electronic advance and lighting
Coil |
Starter |
Electric
& kick starter |
Electric
and Kick starter |
Transmission |
Wide-ratio
five-speed |
Wide-ratio
five-speed |
Final
Drive |
#520
T-ring chain; 13T/49T |
#520
T-ring chain; 13T/51T |
Front
Suspension |
47mm
inverted Showa cartridge fork; 12.4-inch travel |
47mm
inverted Showa cartridge fork; 12.4-inch travel |
Rear
Suspension |
Pro-Link
Showa Single-shock; 12.4-inch travel |
Pro-Link
Showa Single-shock; 12.4-inch travel |
Front
Brake |
Single
240.0mm disc with twin-piston caliper |
Single
240.0mm disc with twin-piston caliper |
Rear
Brake |
Single
240mm disc |
Single
240mm disc |
Front
Tire |
80/100-21 |
80/100-21 |
Rear
Tire |
100/100-18 |
110/100-18 |
Rake |
27.48
degrees |
27.28
degrees |
Trail |
120.3mm
(4.7 inches) |
112.8mm
(4.4 inches) |
Wheelbase |
58.6
inches |
58.2
inches |
Seat
Height |
37.9
inches |
37.9
inches |
Ground
Clearance |
14.2
inches |
13.7
inches |
Dry
Weight |
228
pounds |
255
pounds |
Fuel
Capacity |
2.2
gallons |
2.27
gallons |