Honda CRF 450 X - 2005 Specifications and Reviews

The 2005 Honda CRF 450 X is a single-cylinder four-stroke motocross bike designed for intermediate to advanced off-road riders seeking competitive performance. Known for its responsive 449cc engine, reliable liquid cooling, and lightweight 99kg frame, it excels in both recreational and race-oriented trail and motocross applications.

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General information

CategoryCross / motocross
Year2005
ModelHonda CRF 450 X
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
StarterElectric & kick
IgnitionCD with electronic advance
Fuel systemCarburettor. Keihin 40mm flat-slide
Bore x stroke96.0 x 62.0 mm (3.8 x 2.4 inches)
Compression12.0:1
Stroke4
Engine typeSingle cylinder
Capacity:449.00 ccm (27.40 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,491 mm (58.7 inches)
Ground clearance340 mm (13.4 inches)
Seat height955 mm (37.6 inches) If adjustable, lowest setting.
Dry weight99.1 kg (218.5 pounds)

Honda CRF 450 X dimensions and frame

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter240 mm (9.4 inches)
Front brakesSingle disc. 2-piston calipers
Rear tyre dimensions100/90-19
Front tyre dimensions80/70-21
Rear suspension travel318 mm (12.5 inches)
Rear suspensionPro-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)
Front suspension travel315 mm (12.4 inches)
Front suspension47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability
Trail109 mm (4.3 inches)
Rake (fork angle)26.8°

Speed and acceleration

Color optionsRed
Fuel capacity7.19 litres (1.90 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track25%
City15%
Cornering55%
Daily Riding20%
Touring20%
Passenger5%

Rider Profile

Best ForBest suited to intermediate and experienced off-road riders who are comfortable with a tall, light, aggressive enduro machine.
PurposeBuilt for trail riding, enduro competition, and technical off-road terrain rather than pavement or long-distance travel.
Rider FitThe tall 963mm seat height and 122kg dry weight demand decent leg length and fitness, though the low mass makes it manageable for standing and maneuvering.
CharacterA lightweight, high-revving single-cylinder enduro bike that rewards aggressive, standing-up riding with sharp handling and strong suspension travel.
Not Ideal ForNot a good fit for riders wanting a comfortable street commuter, a passenger-friendly bike, or a machine suited to sustained highway touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2005 Honda CRF 450 X Rider Ergonomics Assessment

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Feet:

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2005 Honda CRF 450 X, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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