Honda CRF450
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2003
* Engine: 449cc liquid-cooled single-cylinder four-stroke * Bore and stroke: 96.0 x 62.1 mm * Carburetion: 40mm Keihin™ flat-slide * Transmission: Close-ratio five-speed * Final drive: #520 chain; 13T/50T * Front suspension: 47mm inverted Showa fork with 16-position compression- and 16- position rebound-damping adjustability; 315mm (12.4 in.) travel * Rear suspension: Pro-Link Showa single-shock with spring-preload, 13-position (low- speed) and 3.5-turn (high-speed) compression-damping and 17-position rebound-damping adjustability; 315mm (12.4 in.) travel. * Front brake: Single disc with twin-piston caliper * Rear brake: Single disc * Ground clearance: 337mm (13.3 in.) * Seat height: 952mm (37.5 in.) * Wheelbase: 1485mm (58.5 in.) * Dry weight: 102 kg (225 lb) * Fuel capacity: 7.5 liters
2004
* Engine Type: 449cc liquid-cooled single-cylinder four-stroke * Bore and Stroke: 96.0mm x 62.1mm * Compression Ratio: 12.0:1 * Valve Train: Unicam; four-valve * Carburetion: Keihin 40mm flat-slide * Ignition: Solid-state CD with electronic advance * Transmission: Close-ratio five-speed * Final Drive: #520 chain; 13T/48T * Front Suspension: 47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability; 12.4-inch travel * Rear Suspension: Pro-Link Showa single-shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6-inch travel * Front Brake: Single 240mm disc with twin-piston caliper * Rear Brake: Single 240mm disc * Front Tire: 80/100-21 * Rear Tire: 110/90-19 * Rake: 26.91 degrees * Trail: 108.0mm (4.25 inches) * Wheelbase: 58.5 inches * Seat Height: 37.6 inches * Ground Clearance: 13.4 inches * Dry Weight: 222.0 pounds * Fuel Capacity: 2.0 gallons * Available Colors: Red
2005
* Engine Type: 449cc liquid-cooled single-cylinder four-stroke * Bore and Stroke: 96.0mm x 62.0mm * Compression Ratio: 12.0:1 * Valve Train: Unicam; four-valve * Carburetion: Keihin 40mm flat-slide * Ignition: CD with electronic advance * Transmission: Close-ratio five-speed * Final Drive: #520 chain; 13T/48T * Front Suspension: 47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability; 12.4-inch travel * Rear Suspension: Pro-Link Showa single shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns); 12.5-inch travel * Front Brakes: Single 240mm disc with twin-piston caliper * Rear Brakes: Single 240mm disc * Front Tire: 80/100-21 * Rear Tire: 100/90-19 * Rake: 26.79 degrees * Trail: 109.4mm (4.3 inches) * Wheelbase: 58.7 inches * Seat Height: 37.6 inches * Ground Clearance: 13.4 inches * Dry Weight: 218.5 pounds * Fuel Capacity: 1.9 gallons * Available Colors: Red