14 August. Friday 2026
Kawasaki KX450 - 2020 Specifications and Reviews
The 2020 Kawasaki KX450 is a premier four-stroke motocross bike engineered for competitive and advanced amateur riders seeking high performance in professional racing environments. Known for its potent engine, lightweight chassis at 110 kg, and aggressive geometry, it delivers responsive handling and superior acceleration on challenging terrain. The electric starter, generous ground clearance, and reliable braking system make it a top choice for serious off-road competitors.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 1 vote to show the rating. |
| Category | Cross / motocross |
| Year | 2020 |
| Model | Kawasaki KX450 |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc, manual |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Digital CDI |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. DFI® with 44mm Keihin throttle body |
| Bore x Stroke | 96.0 x 62.0 mm (3.8 x 2.4 inches) |
| Compression | 12.5:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 449.0 ccm (27.40 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Single-piston caliper. |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Semi-floating petal discs |
| Rear tire | 120/80-19 |
| Front tire | 80/100-21 |
| Rear wheel travel | 307 mm (12.1 inches) |
| Rear Suspension | Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload |
| Front wheel travel | 305 mm (12.0 inches) |
| Front Suspension | 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping |
| Trail | 122 mm (4.8 inches) |
| Rake (fork angle) | 27.6° |
| Frame type | Aluminum perimeter |
Physical measures and capacities | |
| Fuel capacity | 6.20 litres (1.64 US gallons) |
| Wheelbase | 1485 mm (58.5 inches) |
| Ground clearance | 340 mm (13.4 inches) |
| Overall width | 830 mm (32.7 inches) |
| Overall length | 2185 mm (86.0 inches) |
| Overall height | 1275 mm (50.2 inches) |
| Seat height | 955 mm (37.6 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 110.0 kg (242.5 pounds) |
| Dry weight | 105.2 kg (232.0 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track90%
City10%
Cornering85%
Daily Riding8%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a full-blown motocross competition bike best suited to experienced off-road or motocross riders, not beginners or road riders. |
| Purpose | Built purely for motocross racing on closed circuits, jumps, and rough terrain rather than any form of street use. |
| Rider Fit | Its tall seat height, minimal weight, and aggressive ergonomics demand good rider fitness, strength, and off-road skill to control effectively. |
| Character | A razor-sharp, lightweight, high-revving dirt weapon that rewards aggressive, athletic riding with explosive agility over jumps and rough tracks. |
| Not Ideal For | It is not suitable for commuting, touring, passengers, or anyone seeking comfort, storage, or street-legal practicality. |
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 2020 Kawasaki KX450 is a standout motocross bike that delivers top-notch performance and handling. The 449cc engine provides ample power and torque, making it a force to be reckoned with on the track. With adjustable suspension and a lightweight chassis, this bike offers precise handling and excellent maneuverability. The electric start and hydraulic clutch add to the overall convenience and ease of use. Whether you're a seasoned pro or a beginner, the KX450 is sure to impress with its impressive speed and agility. In addition, the 2020 KX450 features a sleek and modern design that is sure to turn heads. The bold Kawasaki graphics and signature lime green color scheme make for a visually striking bike. With a focus on both performance and style, this motorcycle is a standout choice for any motocross enthusiast. Overall, the 2020 Kawasaki KX450 is a top-of-the-line motocross bike that offers a winning combination of power, handling, and style. Whether you're hitting the track or tearing up the trails, this bike is sure to deliver an exhilarating and thrilling ride.Add a Comment
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