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 |
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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 |