The Honda CRF450RX motorcycle specifications include a 449 cc (27.40 cu in) engine, a 5-speed gearbox, and a listed weight of 118.4 kg (261 lb).
Key specifications
2017-2023Model years
449 ccDisplacement
118.4 kgWet weight
960 mmSeat height
8.3 LFuel tank
1,476 mmWheelbase
328 mmGround clearance
Model years covered
2017201820192020202120222023
Year-specific specification changes
The 2017 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
2022202396.0 x 62.1 mm (3.8 x 2.4 inches)
Frame
20222023Aluminium twin tube
Front suspension
202349mm inverted Showa fork with 13-position rebound and 15-position compression-damping adjustability
Rear suspension
2022Showa monoshock using Honda Pro-Link
2023Pro-Link Showa single shock with adjustable spring preload, 11-position rebound and six-position high- and low-speed compression-damping adjustability
Wet weight
20182019116.6 kg (257 lb)
2020115.7 kg (255 lb)
20212023113.9 kg (251 lb)
Wheelbase
20201,478 mm (58.2 inches)
20211,481 mm (58.3 inches)
202220231,477 mm (58.1 inches)
Front wheel travel
20212023310 mm (12.2 inches)
Fuel capacity
201920208.52 L (2.25 US gal)
20217.95 L (2.10 US gal)
202220238.00 L (2.11 US gal)
Ground clearance
2021335 mm (13.2 inches)
20222023336 mm (13.2 inches)
Rake
202027.3°
202127.7°
202327.1°
Seat height
20212023965 mm (38.0 inches)
Trail
2021114 mm (4.5 inches) | 125
2022115 mm (4.5 inches) | 125
2023114 mm (4.5 inches) | 125
Wheels
20202021Dunlop Geomax AT81 tires
20222023Dunlop Geomax AT81 tires. Aluminium rims, spoked.
How the Honda CRF450RX compares
This compares the motorcycle with all Honda models in this specifications database. The blue marker is this model and the grey line is the Honda database average.
Displacement449 cc
Low 49 ccAverage 563 ccHigh 1,832 cc
About 20% lower than the Honda database average. Around the 47th percentile across Honda models.
Wet weight118.4 kg
Low 75.7 kgAverage 197.5 kgHigh 387 kg
About 40% lighter than the Honda database average. Around the 20th percentile across Honda models.
Seat height960 mm
Low 650 mmAverage 780 mmHigh 960 mm
About 23% taller than the Honda database average. Around the 98th percentile across Honda models.
Fuel capacity8.3 L
Low 3.7 LAverage 13.5 LHigh 25 L
About 38% smaller than the Honda database average. Around the 24th percentile across Honda models.
This model Honda database average
Mechanical overview
Engine layout snapshot
Single cylinder, four-stroke • 449 cc • Liquid cooled
Chassis snapshot
Wheelbase 1,476 mmSeat 960 mmClearance 328 mm
5-speed • Chain (final drive) • 90/90-21 front / 120/90-18 rear
Additional useful specifications
| Front tire size |
90/90-21 |
| Rear tire size |
120/90-18 |
| Front tire width |
90 mm |
| Front tire aspect ratio |
90% |
| Front rim diameter |
21 in |
| Rear tire width |
120 mm |
| Rear tire aspect ratio |
90% |
| Rear rim diameter |
18 in |
| Bore/stroke ratio |
1.55:1 (Oversquare) |
Model information
| Category |
Enduro / offroad |
Engine specifications
| Engine type |
Single cylinder, four-stroke |
| Displacement |
449 cc (27.40 cu in) |
| Bore × stroke |
96.0 x 62 mm (3.8 x 2.4 inches) |
| Compression ratio |
13.5:1 |
| Valves per cylinder |
4 |
| Cooling system |
Liquid |
| Fuel system |
Injection. Programmed Fuel Injection (PGM-FI) |
| Fuel control |
Single Overhead Cams (SOHC) |
| Ignition |
Full transistorized with electronic advance |
| Starter |
Electric & kick |
Transmission and drivetrain
| Gearbox |
5-speed |
| Final drive |
Chain (final drive) |
Chassis and suspension
| Frame |
Semi-double cradle, aluminium twin-spar |
| Front suspension |
49mm inverted Showa fork with rebound and compression damping adjustability |
| Rear suspension |
Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability |
| Front wheel travel |
305 mm (12.0 inches) |
| Rear wheel travel |
312 mm (12.3 inches) |
| Rake |
27.2° |
| Trail |
116 mm (4.6 inches) |
Brakes, wheels and tires
| Front brakes |
Single disc. Two-piston calipers. |
| Rear brakes |
Single disc |
| Front tire |
90/90-21 |
| Rear tire |
120/90-18 |
| Wheels |
Dunlop Geomax tires |
Dimensions and weight
| Wet weight |
118.4 kg (261 lb) |
| Seat height |
960 mm (37.8 inches) |
| Wheelbase |
1,476 mm (58.1 inches) |
| Ground clearance |
328 mm (12.9 inches) |
Fuel and emissions
| Fuel capacity |
8.33 L (2.20 US gal) |
| Reserve fuel capacity |
1.60 L (0.42 US gal) |
Other specifications
| Color options |
Red |
| Price as new |
US$ 9249. MSRP depends on country, taxes, accessories, etc. |
| Comments |
Model ID: CRF450RX. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Honda models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Honda information before relying on them. Visit the official Honda website.