14 August. Friday 2026
Kawasaki KX250X - 2021 Specifications and Reviews
The 2021 Kawasaki KX250X is a competition-focused motocross bike designed for intermediate to advanced riders seeking a lightweight, nimble machine. Powered by a 249cc liquid-cooled four-stroke engine with fuel injection and five-speed transmission, it delivers predictable power delivery and excellent handling characteristics. Best known for its agile aluminum frame and responsive performance in varied terrain conditions.
General information | |
| Category | Cross / motocross |
| Year | 2021 |
| Model | Kawasaki KX250X |
| | |
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 and dual injectors |
| Bore x Stroke | 78.0 x 52.2 mm (3.1 x 2.1 inches) |
| Compression | 14.1:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 249.0 ccm (15.19 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Petal disc with single-piston caliper |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Petal disc with dual-piston caliper |
| Rear tire | 100/90-19 |
| Front tire | 80/100-21 |
| Rear wheel travel | 315 mm (12.4 inches) |
| Rear Suspension | Uni-Trak® with dual-range (2.25 turns high speed/21-way low-speed) compression damping, 38-way rebound damping and adjustable preload |
| Front wheel travel | 315 mm (12.4 inches) |
| Front Suspension | 48mm inverted telescopic coil spring fork with 23-way compression damping and 20-way rebound damping |
| Trail | 130 mm (5.1 inches) |
| Rake (fork angle) | 27.8° |
| Frame type | Aluminum perimeter |
Physical measures and capacities | |
| Fuel capacity | 6.21 litres (1.64 US gallons) |
| Wheelbase | 1486 mm (58.5 inches) |
| Ground clearance | 330 mm (13.0 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2169 mm (85.4 inches) |
| Overall height | 1260 mm (49.6 inches) |
| Seat height | 945 mm (37.2 inches) If adjustable, lowest setting. |
| Dry weight | 104.4 kg (230.2 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
Track40%
City5%
Cornering75%
Daily Riding10%
Touring8%
Passenger0%
Rider Profile
| Best For | This is a serious off-road competition machine best suited to intermediate-to-expert riders who already understand motocross-style ergonomics and power delivery. |
| Purpose | Built as a cross-country (X) variant of Kawasaki's motocrosser, it's purpose-made for closed-course off-road racing like hare scrambles and enduro-style events rather than general riding. |
| Rider Fit | Its tall seat height, minimal suspension travel cushioning at low speed, and lightweight but physically demanding riding position favor taller, fit riders comfortable standing and shifting body weight aggressively. |
| Character | The bike feels light, flickable, and eager to change direction, rewarding an aggressive, attacking riding style over relaxed cruising. |
| Not Ideal For | This is not the right choice for commuting, highway travel, passenger carrying, or riders wanting plush all-day comfort. |
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 KX250X is a powerful and agile off-road motorcycle that delivers exceptional performance on the trails. With its lightweight chassis and potent 249cc engine, this bike is designed to tackle rugged terrains with ease. The sharp handling and responsive suspension make it a top contender in the off-road racing circuit. The KX250X also features advanced technology such as a digital fuel injection system and electric start, adding convenience and reliability to the riding experience. Overall, the 2021 Kawasaki KX250X is a formidable off-road motorcycle that combines power, agility, and cutting-edge technology for an exhilarating ride. For off-road enthusiasts looking for a high-performance motorcycle, the 2021 Kawasaki KX250X offers an impressive combination of power and agility. Its lightweight chassis and potent 249cc engine make it a top contender in the off-road racing circuit. With advanced technology such as digital fuel injection and electric start, this bike offers not only power and performance, but also convenience and reliability. The KX250X's sharp handling and responsive suspension further enhance its capabilities on rugged terrains, making it a formidable option for riders looking for an exhilarating off-road experience.Add a Comment
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