14 August. Friday 2026
Kawasaki KX450X - 2023 Specifications and Reviews
The 2023 Kawasaki KX450X is a competition-focused motocross machine designed for serious amateur and professional riders seeking maximum performance. Powered by a potent 449cc four-stroke single-cylinder engine with advanced fuel injection and liquid cooling, it delivers aggressive power delivery and precise handling. The lightweight aluminum frame and responsive chassis make it ideal for both track racing and off-road competition riding.
General information | |
| Category | Cross / motocross |
| Year | 2023 |
| Model | Kawasaki KX450X |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc manual clutch and hydraulic clutch actuation |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Digital CDI with 3 Coupler Options |
| 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 | |
| Wheels | Wire spoked |
| Rear brakes | Single disc. Single-piston caliper. |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Semi-floating petal discs |
| Rear tire | 120/80-18 |
| 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 | 119 mm (4.7 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 | 335 mm (13.2 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2185 mm (86.0 inches) |
| Overall height | 1265 mm (49.8 inches) |
| Seat height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 111.6 kg (246.0 pounds) |
| Dry weight | 107.0 kg (235.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Launch Control. |
| Starter | Electric |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track55%
City10%
Cornering70%
Daily Riding15%
Touring12%
Passenger5%
Rider Profile
| Best For | This is a competition-focused off-road machine best suited to intermediate and experienced dirt riders comfortable with a tall seat, aggressive suspension, and no electric start conveniences typical of the X cross-country variant. |
| Purpose | Built specifically for cross-country and off-road racing, with a wide-ratio gearbox, larger fuel capacity, and chassis geometry tuned for extended off-road stability rather than motocross jumps or street use. |
| Rider Fit | The extremely low wet weight and tall 950 mm seat height demand a fit, physically capable rider with good leg length and the strength to manhandle the bike over rough terrain and technical obstacles. |
| Character | It has the raw, high-strung, minimalist character of a purpose-built race bike: light, responsive, and demanding rather than forgiving. |
| Not Ideal For | This is not a suitable choice for commuting, highway touring, carrying a passenger, or riders seeking plush comfort and low-maintenance road-going 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 2023 Kawasaki KX450X is a powerhouse off-road motorcycle that delivers exceptional performance and handling. Its powerful 449cc engine provides plenty of torque and acceleration, making it perfect for tackling rugged trails and conquering challenging terrain. With its lightweight chassis and responsive suspension, the KX450X offers a smooth and stable ride, allowing riders to push their limits with confidence. The bike also features a comfortable ergonomic design and advanced technology, including electric start and different riding modes, making it a top choice for off-road enthusiasts looking for an adrenaline-packed experience. In addition to its impressive performance, the 2023 Kawasaki KX450X stands out for its stylish design and durable construction. Its aggressive looks, high-quality components, and attention to detail make it a standout in the off-road motorcycle market. Whether you're a seasoned rider or a novice looking to explore the great outdoors, the KX450X offers an exhilarating and reliable ride that will take your off-road adventures to the next level. With its cutting-edge features and renowned Kawasaki engineering, the KX450X is a top contender in the competitive off-road motorcycle category.Add a Comment
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