Supermotos
2021Kawasaki KLX300 SM
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The 2021 Kawasaki KLX300 SM is a lightweight super motard designed for riders seeking versatile street and light off-road performance. Powered by a nimble 292cc liquid-cooled single-cylinder engine with fuel injection, it excels in agility and maneuverability for both beginners and experienced riders. Known for reliability and affordable entry-level pricing, it's ideal for urban commuting and recreational trail riding.
- Capacity
- 292.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 137.0 kg
- Seat height
- 861 mm
- Power
- 24.4 HP (17.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed for flickable street-based fun, tight backroad carving, and casual urban riding rather than outright speed or distance.
- Built for
- A playful, nimble small-bore supermoto that rewards aggressive lean angles and quick direction changes over long highway stints.
- Not ideal for
- Not a good fit for riders seeking high top speed, long-distance touring comfort, or serious off-road capability.
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
- 292.0 ccm
- Power
- 24.4 HP (17.9 kW)
- Torque
- 24.0 Nm (2.4 kgf-m) @ 7000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1781 HP/kg (dry)
- Bore x stroke
- 78.0 x 61.2 mm
- Compression
- 11.1:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Forced, semi-dry sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1440 mm
- Overall length
- 2195 mm
- Overall width
- 820 mm
- Overall height
- 1146 mm
- Seat height
- 861 mm
- Dry weight
- 137.0 kg
- Fuel capacity
- 7.60 litres
- Ground clearance
- 236 mm
Chassis & suspension
- Frame
- High-tensile steel, box-section perimeter
- Front suspension
- 43mm inverted cartridge fork with adjustable compression damping
- Rear suspension
- Uni-Trak® gas charged shock with piggyback reservoir with adjustable rebound damping and spring preload
- Front wheel travel
- 231 mm
- Rear wheel travel
- 206 mm
- Rake (fork angle)
- 25.0°
- Trail
- 71 mm
Brakes & wheels
- Front brakes
- Single disc. Petal disc with a dual-piston caliper
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Petal disc with single-piston caliper
- Front tyre
- 110/70-17
- Rear tyre
- 130/70-17
Other
- Color options
- Lime Green/Ebony, Oriental Blue/Ebony
- Warranty
- 12
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 | 2021 | 2023 | 2024 | 2026 | 2027 |
|---|---|---|---|---|---|
| Capacity | 292 cc | 292 cc | 292 cc | 292 cc | 292 cc |
| Dry weight | 137 kg | 138 kg | 138 kg | 130 kg | 130 kg |
| Seat height | 861 mm | 861 mm | 861 mm | 861 mm | 861 mm |
| Fuel capacity | 7.6 L | 7.6 L | 7.6 L | 7.6 L | 7.6 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 KLX300 SM?
The 2021 Kawasaki KLX300 SM has a Capacity of 292.0 ccm (17.82 cubic inches).
What engine power does the Kawasaki KLX300 SM have?
The 2021 Kawasaki KLX300 SM has a Power of 24.4 HP (17.9 kW).
How many gears does the Kawasaki KLX300 SM have?
The 2021 Kawasaki KLX300 SM has a Gearbox of 6-speed.
What is the torque of the Kawasaki KLX300 SM?
The 2021 Kawasaki KLX300 SM has a Torque of 24.0 Nm (2.4 kgf-m or 17.7 ft.lbs) @ 7000 RPM.
How much does the Kawasaki KLX300 SM weigh?
The 2021 Kawasaki KLX300 SM has a Dry weight of 137.0 kg (302.0 pounds).
Shop this bike
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The 2021 Kawasaki KLX300 SM motorcycle is a fantastic option for riders looking for a versatile and capable bike. With its 292cc fuel-injected engine, this bike delivers smooth and reliable power for any adventure. The lightweight chassis and superb handling make it easy to maneuver on both city streets and off-road trails. The sleek design and comfortable riding position make this bike a joy to ride, while the powerful brakes provide excellent stopping power. Overall, the KLX300 SM is a top choice for anyone looking for a highly capable and fun motorcycle.
If you're in the market for a new motorcycle, the 2021 Kawasaki KLX300 SM is definitely worth considering. Its combination of power, agility, and comfort make it an excellent choice for riders of all skill levels. Whether you're commuting to work or hitting the trails for a weekend adventure, this bike can handle it all with ease. Plus, with Kawasaki's reputation for reliability and quality, you can trust that the KLX300 SM will provide years of enjoyable riding.
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