14 August. Friday 2026
Kawasaki KX450 XC - 2021 Specifications and Reviews
The 2021 Kawasaki KX450 XC is a versatile enduro machine designed for intermediate to advanced off-road riders seeking a lightweight, fuel-efficient alternative to larger displacement bikes. Powered by a liquid-cooled 449cc single-cylinder four-stroke with DOHC and DFI fuel injection, it delivers impressive torque across a wide powerband. Known for its nimble handling and reliability, the KX450 XC excels in tight terrain and technical trails.
2021
General information | |
| Category | Enduro / offroad |
| Year | 2021 |
| Model | Kawasaki KX450 XC |
| | |
Engine and Transmission Specifications | |
| Clutch | Coned disk-spring hydraulic |
| 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. 12-hole injector. |
| Valves per Cylinder | 4 |
| 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 | Dunlop Geomax AT81 tires |
| 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. |
| Dry weight | 107.0 kg (235.9 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Launch Control. Easy engine tuning. |
| Electrical | Li-ion battery. |
| Starter | Electric |
| Color options | Lime Green |
Performance Profile & Rider Fit
Best For
Track55%
City10%
Cornering88%
Daily Riding15%
Touring12%
Passenger5%
Rider Profile
| Best For | This is a race-bred cross-country machine best suited to experienced off-road riders who already have solid dirt bike skills. |
| Purpose | Built specifically for cross-country and enduro racing, it thrives on rough, demanding terrain where lightweight power delivery and premium suspension matter most. |
| Rider Fit | Standing 950mm tall with a light dry weight but firm, high-travel suspension, it rewards riders who are fit, confident standing on the pegs, and comfortable with a tall, aggressive stance. |
| Character | Explosive, high-revving, and razor-sharp in handling, this bike feels like a focused racing tool rather than a relaxed companion. |
| Not Ideal For | It is not suited for commuting, highway travel, carrying passengers, or riders seeking a comfortable, low-maintenance daily ride. |
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 Kawasaki KX450 XC is a powerful and versatile off-road motorcycle that is perfect for adrenaline junkies and off-road enthusiasts. With its 449cc engine and lightweight chassis, this bike offers impressive performance and excellent handling on a variety of terrains. The electric start, hydraulic clutch, and adjustable suspension make it easy to ride and customize according to your preferences. Whether you're hitting the trails or navigating through rough terrain, the KX450 XC delivers a thrilling and exhilarating riding experience. Kawasaki has definitely delivered a top-notch off-road motorcycle with the 2021 KX450 XC. Its powerful engine, lightweight design, and advanced features make it a standout choice for anyone looking for a high-performance off-road bike. The electric start and adjustable suspension add to the overall convenience and comfort of riding this motorcycle. If you're in the market for a reliable and powerful off-road bike, the KX450 XC is definitely worth considering.Add a Comment
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