Honda CRF450RX - 2024 Specifications and Reviews

The 2024 Honda CRF450RX is a serious enduro machine built for experienced off-road riders tackling technical terrain and long-distance adventures. Its liquid-cooled 449cc single-cylinder four-stroke engine delivers reliable power across varied conditions, while the five-speed gearbox and injection fuel system ensure smooth performance. Known for Honda's legendary durability and handling, the CRF450RX excels in demanding trail environments where versatility matters most.

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General information

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CategoryEnduro / offroad
Year2024
Model nameHonda CRF450RX
 
 

Engine and Transmission Specifications

Driveline#520 Chain; 13T/50T
Transmission typeChain (final drive)
Gearbox5-speed
Cooling systemLiquid
IgnitionDC-CDI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection. Programmed Fuel Injection (PGM-FI)
Valves per cylinder4
Bore x stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression13.5:1
Engine typeSingle cylinder, four-stroke
Capacity:449.0 ccm (27.40 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsDunlop Geomax AT81 tires. Aluminium rims, spoked.
Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Two-piston calipers.
Rear tire120/90-18
Front tire90/90-21
Rear wheel travel315 mm (12.4 inches)
Rear suspensionPro-Link Showa single shock with adjustable spring preload, 11-position rebound and six-position high- and low-speed compression-damping adjustability
Front wheel travel310 mm (12.2 inches)
Front suspension49mm inverted Showa fork with 13-position rebound and 15-position compression-damping adjustability
Trail114 mm (4.5 inches)
Rake (fork angle)27.1°
Frame typeAluminium twin tube

Physical measures and capacities

Fuel capacity8.00 litres (2.11 US gallons)
Wheelbase1477 mm (58.1 inches)
Ground clearance336 mm (13.2 inches)
Overall width839 mm (33.0 inches)
Overall length2182 mm (85.9 inches)
Overall height1282 mm (50.5 inches)
Seat height965 mm (38.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc113.9 kg (251.0 pounds)
Dry weight107.0 kg (235.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specs
CommentsModel ID: CRF450RX.
ElectricalLithium-ion battery
StarterElectric
Color optionsRed

Performance Profile & Rider Fit

Best For

Track55%
City10%
Cornering75%
Daily Riding15%
Touring20%
Passenger5%

Rider Profile

Best ForThis is a serious off-road weapon best suited to intermediate through expert riders who already have dirt bike experience, not a first-ever motorcycle.
PurposeBuilt for cross-country and hard enduro-style off-road riding, with the durability and lighting/spark arrestor considerations typical of a closed-course and trail-legal race bike rather than street commuting.
Rider FitThe tall 37.7-inch seat height, 256-lb wet weight, and aggressive ergonomics demand good rider fitness, leg length, and confidence standing and shifting body weight on rough terrain.
CharacterIt has the raw, high-strung feel of a factory-style motocross-derived engine tuned for tractable power delivery over rocks, roots, and trails, rewarding an aggressive, active riding style.
Not Ideal ForThis is not the right choice for new riders, commuters, highway travel, two-up riding, or anyone wanting a comfortable, low-maintenance daily street bike.

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

Rider Fit Visualizer

2024 Honda CRF450RX Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 965mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2024 Honda CRF450RX, 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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