14 August. Friday 2026
Honda CRF450R - 2021 Specifications and Reviews
The 2021 Honda CRF450R is a competitive motocross machine designed for intermediate to advanced off-road riders seeking reliable performance. Powered by a 449cc single-cylinder four-stroke engine producing 53 horsepower, it delivers strong mid-range torque and excellent handling characteristics. Known for its durability, lightweight construction, and proven race-winning platform, the CRF450R excels in both amateur and professional motocross competition.
General information | |
| Price as new | 3.7 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
| Category | Cross / motocross |
| Year | 2021 |
| Model | Honda CRF450R |
| | |
Engine and Transmission Specifications | |
| Driveline | #520 Chain; 13T/49T |
| Clutch | Multi plate wet |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | DC-CDI |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body Read |
| Valves per Cylinder | 4 |
| Bore x Stroke | 96.0 x 62.1 mm (3.8 x 2.4 inches) |
| Compression | 13.5:1 |
| Top speed | 170.0 km/h (105.6 mph) |
| Torque | 48.0 Nm (4.9 kgf-m or 35.4 ft.lbs) @ 7000 RPM |
| Power | 53.0 HP (38.7 kW) @ 9000 RPM |
| Engine details | 38mm intake valve, 31mm exhaust |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 449.7 ccm (27.44 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Dunlop MX3S tires |
| Rear brakes | Single disc. Hydraulic. Single-piston caliper. |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Hydraulic. Two-piston calipers. |
| Rear tire | 120/80-19 |
| Front tire | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear Suspension | Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability. |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | 49mm inverted Showa fork with rebound and compression damping adjustability. |
| Trail | 114 mm (4.5 inches) |
| Rake (fork angle) | 27.2° |
| Frame type | Aluminium twin tube |
| | |
Physical measures and capacities | |
| Oil capacity | 1.80 litres (1.9 US quarts) |
| Fuel capacity | 6.43 litres (1.70 US gallons) |
| Wheelbase | 1481 mm (58.3 inches) |
| Ground clearance | 335 mm (13.2 inches) |
| Overall width | 827 mm (32.6 inches) |
| Overall length | 2191 mm (86.3 inches) |
| Overall height | 1271 mm (50.0 inches) |
| Seat height | 965 mm (38.0 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 110.7 kg (244.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Model id: CRF450R |
| Electrical | 12V 6Ah (10HR) battery. |
| Starter | Kick |
| Color options | Red |
Performance Profile & Rider Fit
105.6 mph
Top Speed
Best For
Track90%
City5%
Cornering85%
Daily Riding8%
Touring5%
Passenger0%
Rider Profile
| Best For | This bike suits experienced off-road and motocross riders comfortable with a tall, aggressive, high-strung competition machine. |
| Purpose | Built purely for motocross racing and serious off-road riding, not for street use or general transportation. |
| Rider Fit | Its tall 37.8-inch seat height, light 249 lb wet weight, and firm long-travel suspension demand good rider fitness, strength, and confidence standing on the pegs. |
| Character | A razor-sharp, high-revving, race-bred single-cylinder motocrosser that rewards aggressive input with explosive acceleration and pinpoint handling. |
| Not Ideal For | This is not the right bike for beginners, commuters, passengers, or anyone seeking comfort, storage, or highway touring capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Honda CRF450R motorcycle is a powerful and agile off-road machine that is perfect for navigating through rough terrain. Its 450cc engine provides plenty of power, while its lightweight design makes it easy to handle. The bike's advanced suspension system and responsive handling make it a top choice for riders looking to conquer challenging trails. With its sleek and modern design, the CRF450R is sure to turn heads both on and off the trail. Overall, the 2021 Honda CRF450R motorcycle is a top-of-the-line off-road bike that delivers excellent performance and handling. Whether you're a seasoned rider or just getting into off-road riding, the CRF450R is a fantastic choice. Its powerful engine, advanced suspension, and lightweight design make it a versatile and reliable option for tackling any terrain. If you're in the market for a high-quality off-road motorcycle, the Honda CRF450R is definitely worth considering.Add a Comment
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