2005 Honda CRF450X Specifications
Model: CRF450X
Engine Type: 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke: 96mm x 62mm
Compression Ratio: 12.0:1
Valve Train: Unicam; four-valve
Carburetion: Keihin 40mm flat-slide with throttle position sensor (TPS)
Ignition: CD with electronic advance and lighting coil
Starting: Electric & kick
Transmission: Wide-ratio five-speed
Final Drive: #520 T-ring-sealed chain; 13T/51T
Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Rear: Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.3 inches travel
Brakes Front: Single 240mm disc with twin-piston caliper
Rear: Single 240mm disc
Tires Front: 80/100-21
Rear: 110/100-18
Wheelbase: 58.3 inches
Rake (Caster Angle): 27.25¡
Trail: 110.3mm (4.3inches)
Seat Height: 37.9 inches
Ground Clearance: 13.7 inches
Dry Weight: 250 pounds
Fuel Capacity: 2.27 gallons
Color: Red

Consult owner's manual for optional racing parts.

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