Honda CRF450RL - 2021 Specifications and Reviews

The 2021 Honda CRF450RL is a versatile 449cc four-stroke dirt bike designed for riders seeking a balance between trail riding and light competition use. Known for its reliable Honda engineering, manageable power delivery of 53 hp, and dual-sport capability, it excels on both technical terrain and longer distance off-road adventures. The bike's proven platform makes it ideal for intermediate to experienced riders transitioning between recreational and competitive riding.

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General information

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CategoryCross / motocross
Year2021
ModelHonda CRF450RL
 
 

Engine and Transmission Specifications

Exhaust systemTwin-muffler
Driveline#520 Chain; 13T/51T
ClutchMulti plate wet
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionDC-CDI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body
Valves per Cylinder4
Bore x Stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression12.0:1
Top speed170.0 km/h (105.6 mph)
Torque48.0 Nm (4.9 kgf-m or 35.4 ft.lbs) @ 7000 RPM
Power53.0 HP (38.7 kW) @ 9000 RPM
Engine details38mm intake valve, titanium; 31mm exhaust, steel
Engine typeSingle cylinder, four-stroke
Capacity:449.0 ccm (27.40 cubic inches)

Brakes, suspension, Frame and wheels

WheelsIRC GP21 and GP22 tires
Rear brakesSingle disc. Hydraulic. Single-piston caliper.
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Hydraulic. Two-piston calipers.
Rear tire120/80-18
Front tire80/100-21
Rear wheel travel300 mm (11.8 inches)
Rear SuspensionPro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability
Front wheel travel305 mm (12.0 inches)
Front Suspension49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability
Trail122 mm (4.8 inches)
Rake (fork angle)28.3°
Frame typeAluminium twin tube
 
 

Physical measures and capacities

Fuel capacity7.57 litres (2.00 US gallons)
Wheelbase1496 mm (58.9 inches)
Ground clearance320 mm (12.6 inches)
Overall width827 mm (32.6 inches)
Overall length2191 mm (86.3 inches)
Overall height1271 mm (50.0 inches)
Seat height945 mm (37.2 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc131.1 kg (289.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsModel id: CRF450L
Electrical12V 6Ah (10HR) battery.
StarterElectric
Color optionsRed

Performance Profile & Rider Fit

105.6 mph
Top Speed

Best For

Track30%
City25%
Cornering70%
Daily Riding30%
Touring20%
Passenger5%

Rider Profile

Best ForThis is a serious off-road machine best suited to intermediate-to-advanced riders comfortable with a tall seat height and aggressive suspension.
PurposeBuilt as a street-legal enduro, its heart is trail riding, single-track, and technical off-road terrain, with road use being a practical afterthought.
Rider FitThe tall 37.2-inch seat height and light 289 lb wet weight demand rider fitness and leg length more than raw strength, favoring agile, confident riders.
CharacterIt's a raw, high-strung dirt bike with a big-bore single engine character, rewarding riders who enjoy standing on the pegs and attacking rough terrain.
Not Ideal ForThis is not the bike for riders wanting a plush, stable highway cruiser or someone seeking low-effort commuting comfort.

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

Rider Fit Visualizer

2021 Honda CRF450RL Rider Ergonomics Assessment

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

Feet:

At 945mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 Honda CRF450RL, 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Honda CRF450RL is an impressive dual-sport motorcycle that offers a perfect balance of off-road performance and on-road capability. The bike comes equipped with a powerful 450cc engine, which delivers plenty of torque and acceleration for tackling any terrain. Its lightweight frame and advanced suspension system and offer excellent handling and stability, making it a versatile choice for both experienced and novice riders. The CRF450RL also features high-quality components and a comfortable seating position, making it a great option for long-distance rides or off-road adventures. Overall, the 2021 Honda CRF450RL is a top-notch dual-sport motorcycle that offers impressive performance both on and off the road. With its powerful engine, excellent handling, and comfortable design, it's a great choice for riders looking for a versatile and reliable bike. Whether you're hitting the trails or cruising on the highway, the CRF450RL is a solid option that will not disappoint.
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