43,678 bikes · 493 makes Add a bikeLog inRegister
Supermotos

2021Kawasaki KLX300 SM

Rate this bike
Click to vote

39 fields on record

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)
⇄ Compare with another bike + Add to garage All model years
Other years 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 35Agility 83Comfort 45Off-road 20Touring 25Road manners 78
Off-road & trail20%
Cornering85%
City riding80%
Daily riding60%
Touring25%
Two-up30%
Track55%
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 us
At 861mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2021 Kawasaki KLX300 SM, with a relaxed knee angle of around 135 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

Find bikes that fit your height →

Full specifications

Engine
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 20212023202420262027
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

—
☆☆☆☆☆
Be the first to rate
MotorcycleDB

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.

Own one? Add it to My Garage and write an owner review with an Owner badge.

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

Affiliate links

We may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.

Similar bikes

Same category, weighted similarity

More Kawasaki Motorcycles