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Specifications
of the CRF450R and CRF250R |
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CRF450R |
CRF250R |
Engine
Type |
449cc
liquid-cooled single-cylinder four-stroke |
249cc
liquid-cooled single-cylinder four-stroke |
Bore
and Stroke |
96.0mm
x 62.1mm |
78.0mm
x 52.2mm |
Compression
Ratio |
12.0
: 1 |
12.9
: 1 |
Valve
Train |
Unicam;
four-valve |
Unicam;
four-valve |
Carburetion |
Keihin
40mm flat-slide with throttle position sensor (TPS) |
Keihin
37mm flat-slide with throttle position sensor (TPS) |
Ignition |
Solid-state
CD with electronic advance |
Solid-state
CD with electronic advance |
Starter |
Kick starter |
Kick
starter |
Transmission |
Close-ratio
five-speed |
Close-ratio
five-speed |
Final
Drive |
#520
T-ring chain; 13T/48T |
#520
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; 12.6-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 |
100/100-19 |
100/90-19 |
Rake |
26.91
degrees |
27.49
degrees |
Trail |
108.0mm
(4.25 inches) |
120.1mm
(4.7 inches) |
Wheelbase |
58.5
inches |
58.2
inches |
Seat
Height |
37.6
inches |
37.9
inches |
Ground
Clearance |
13.4
inches |
14.2
inches |
Dry
Weight |
222.0
pounds |
206.0
pounds |
Fuel
Capacity |
2.0
gallons |
2.0
gallons |