Dual-Sport Motorcycles
2021Kawasaki KLX250S
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The 2021 Kawasaki KLX 250S is a lightweight dual-sport bike designed for beginner and intermediate riders seeking an affordable, nimble platform for both street and light off-road use. Known for its approachable 249cc single-cylinder engine and forgiving handling characteristics, it excels in urban environments and unpaved terrain. The liquid-cooled four-stroke delivers dependable performance with minimal maintenance demands.
- Capacity
- 249.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 118.8 kg
- Seat height
- 890 mm
- Power
- 21.4 HP (15.7 kW)
What’s new for the 2021 Kawasaki KLX250S
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Fuel capacity | 7.60 litres (2.01 US gallons) | 7.70 litres (2.03 US gallons) |
| Front suspension | Telescopi fork | 43mm inverted cartridge fork with 16-way compression damping adjustment |
| Rear suspension | Uni-Trak swingarm | Uni-Trak with adjustable preload, 16-way compression and rebound damping adjustment |
| Front brakes | Single disc | Single disc. Floating discs. Hydraulic. Two-piston calipers. |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as a dual-sport machine for trail riding, light off-road exploration, and casual commuting rather than outright speed.
- Built for
- A playful, nimble single-cylinder trail bike that rewards flickable handling and tolerant, adventurous riding over raw power or refinement.
- Not ideal for
- Not the right choice for riders seeking highway speed, long-distance touring comfort, or a passenger-friendly setup.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 249.0 ccm
- Power
- 21.4 HP (15.7 kW)
- Torque
- 20.6 Nm (2.1 kgf-m) @ 7000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1801 HP/kg (dry)
- Bore x stroke
- 72.0 x 61.2 mm
- Compression
- 11.0:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication, wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multiplate
Dimensions & weight
- Wheelbase
- 1430 mm
- Overall length
- 2200 mm
- Overall width
- 860 mm
- Overall height
- 1250 mm
- Seat height
- 890 mm
- Dry weight
- 118.8 kg
- Wet weight
- 135.0 kg
- Fuel capacity
- 7.70 litres
- Ground clearance
- 285 mm
Chassis & suspension
- Frame
- Perimeter, high-tensile steel
- Front suspension
- 43mm inverted cartridge fork with 16-way compression damping adjustment
- Rear suspension
- Uni-Trak with adjustable preload, 16-way compression and rebound damping adjustment
- Front wheel travel
- 255 mm
- Rear wheel travel
- 230 mm
- Rake (fork angle)
- 26.5°
- Trail
- 104 mm
Brakes & wheels
- Front brakes
- Single disc. Floating discs. Hydraulic. Two-piston calipers.
- Front brakes diameter
- 250 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 240 mm
- Front tyre
- 80/100-21
- Rear tyre
- 4.6-18
Other
- Color options
- Lime Green
- Warranty
- 24
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2007 | 2011 | 2014 | 2018 | 2021 |
|---|---|---|---|---|---|
| Capacity | 249 cc | 249 cc | 249 cc | 249 cc | 249 cc |
| Dry weight | 119 kg | 119 kg | 119 kg | 119 kg | 119 kg |
| Seat height | 884 mm | 889 mm | 889 mm | 889 mm | 890 mm |
| Fuel capacity | 7.2 L | 7.6 L | 7.6 L | 7.7 L | 7.7 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki KLX250S?
The 2021 Kawasaki KLX250S has a Capacity of 249.0 ccm (15.19 cubic inches).
What engine power does the Kawasaki KLX250S have?
The 2021 Kawasaki KLX250S has a Power of 21.4 HP (15.7 kW).
How many gears does the Kawasaki KLX250S have?
The 2021 Kawasaki KLX250S has a Gearbox of 6-speed.
What is the torque of the Kawasaki KLX250S?
The 2021 Kawasaki KLX250S has a Torque of 20.6 Nm (2.1 kgf-m or 15.2 ft.lbs) @ 7000 RPM.
How much does the Kawasaki KLX250S weigh?
The 2021 Kawasaki KLX250S has a Dry weight of 118.8 kg (261.9 pounds).
Shop this bike
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The 2021 Kawasaki KLX 250S is a versatile and capable dual-sport motorcycle that is perfect for both on and off-road riding. With a lightweight chassis and exceptional handling, this bike is a joy to ride in any terrain. The 249cc engine provides plenty of power for smooth acceleration, while the long-travel suspension offers a comfortable and controlled ride over rough surfaces. Whether you're cruising around town or exploring a dirt trail, the KLX 250S delivers an exhilarating and confidence-inspiring experience.
In addition to its impressive performance, the 2021 KLX 250S also boasts a stylish and modern design, with aggressive bodywork and sharp lines that exude a sense of adventure. The comfortable ergonomics and upright seating position make it easy to handle, and the bike's fuel efficiency and durable construction ensure that it can handle whatever you throw at it. Whether you're a seasoned rider or just starting out, the Kawasaki KLX 250S is a fantastic choice for anyone looking for a reliable and fun dual-sport motorcycle.
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