Navigation: Index — Motorcycle Specs Handbook — Honda — 2004
2004 Honda CRF450R
Back to Honda Motorcycle Specs Index Page
– 2004 Honda CRF450R
MANUFACTURER SPECIFICATIONS
Manufacturer – Make – Model – Year: Honda CRF 450 R 2004
Motorcycle Style: Motocross
ENGINE SPECS
Engine Type: 449 cc, 4 Stroke – Liquid Cooled – Single
Engine Bore and Stroke: 96 mm x 62.1 mm
Compression Ratio: 12:1
Valves SOHC, 4 valves/cylinder
Carburetion: Keihin 40mm flat-slide
Ignition System: Solid-state CD with electronic
Claimed Horsepower: 56 hp (41.8 kW) @ 9000 rpm
Maximum Torque: 50.7 Nm (37.9 ft. lbs) @ 6500 rpm
Clutch System: Wet multiple plate coil springs
Transmission type: 5 speed
Gear Ratios: 1st 1.800, 2nd 1.470, 3th 1.235, 4th 1.050, 5th 0.909
Primary Drive Ratio: 2.739
Final Drive: Chain, 3.846
Starting: Kick
CHASSIS SPECS
Frame Type: Aluminum twin tube
Suspension – Front: 47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability, 315 mm travel
Suspension – Rear: 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), 319 mm travel
Front Fork – Rake & Trail Angles: 26.91 / 1079 mm (42.5 inches)
MISCELLANEOUS SPECS
Front wheel 21 x 1.60
Rear wheel 19 x 2.15
Tire – Front: 80/100-21
Tire – Rear: 110/90-19
Brakes – Front: single 240 mm disc with 2-piston calipers
Brakes – Rear: single 240 mm disc with 1-piston calipers
DIMENSIONS
Overall – Length: 2194 mm (86.4 inches)
Overall – Width: 825 mm (32.5 inches)
Overall – Height: 1262 mm (49.7 inches)
Seat Height: 955 mm (37.6 inches)
Wheelbase 1495 mm (58.9 inches)
Ground clearance 339 mm (13.3 inches)
Fuel Capacity: 7.5 l
Dry Weight (without fluids): 100.7 kg (222.1 pounds)
