CRF250X '04 From Honda Owner's Manual 1/20/04	CRF250R '04 From Honda Owner's Manual 1/20/04	CRF450R '04 From Honda's web site 9/13/03
Engine Type	249.4cc water-cooled single-cylinder OHC four-stroke	249.4cc water-cooled single-cylinder OHC four-stroke	449.0cc liquid-cooled single-cylinder OHC four-stroke
Bore and Stroke	78.0mm x 52.2mm	78.0mm x 52.2mm	96.0mm x 62.1mm
Compression Ratio	12.9 : 1	12.9 : 1	12.0 : 1
Valve Train	Unicam; four-valve	Unicam; four-valve	Unicam; four-valve
Carburetion	37mm flat-slide with throttle position sensor (TPS)	37mm flat-slide with throttle position sensor (TPS)	Keihin 40mm flat-slide
Ignition	Solid-state CD with electronic advance and lighting coil	Solid-state CD with electronic advance	Solid-state CD with electronic advance
Starter	Electric start, plus kick start	Kick start	Kick start
Transmission	Wide-ratio five-speed	Close-ratio five-speed	Close-ratio five-speed
Final Drive	520 T-ring chain; 14T/53T	520 chain; 13T/51T	520 chain; 13T/48T
Front Suspension	47mm fork; 12.4-inch travel	47mm fork; 12.4-inch travel	47mm fork; 12.4-inch travel
Rear Suspension	Single-shock; 12.4-inch travel	Single-shock; 12.4-inch travel	Single-shock; 12.6-inch travel
Front Brake	Single 240.0mm disc with twin-piston caliper	Single 240.0mm disc with twin-piston caliper	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240.0mm disc	Single 240.0mm disc	Single 240mm disc
Front Tire	80/100-21	80/100-21	80/100-21
Rear Tire	100/100-18	100/90-19	110/90-19
Rake	27.54 degrees	27.44 degrees	26.91 degrees
Trail	116mm (4.6 inches)	112mm (4.4 inches)	108.0mm (4.25 inches)
Length	85.6 inches	85.6 inches
Wheelbase	58.4 inches	58.2 inches	58.5 inches
Seat Height	37.7 inches	37.7 inches	37.6 inches
Ground Clearance	13.7 inches	13.7 inches	13.4 inches
Fuel Capacity	2.2 gallons	1.9 gallons	2.0 gallons
Dry Weight	236 pounds	206 pounds	222 pounds
Available	February 2004	November 2003	Fall 2003