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Enduro Bikes

2021Kawasaki KLX 140R

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The 2021 Kawasaki KLX 140R is a lightweight enduro bike designed for young riders and beginners seeking an affordable entry into off-road riding. Its 144cc air-cooled four-stroke engine delivers manageable power with excellent reliability, while the compact frame and low seat height make it accessible for riders transitioning from dirt bikes. Known for its durability and forgiving nature, it excels as a training platform for developing fundamental off-road skills.

Capacity
144.0 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Wet weight
93.0 kg
Seat height
780 mm
Power
14.1 HP (10.4 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 10Agility 83Comfort 35Off-road 82Touring 15Road manners 20
Off-road & trail82%
Cornering40%
City riding25%
Daily riding20%
Touring10%
Two-up5%
Track10%
Best for
It's a lightweight recreational off-road machine designed for trail play, dirt tracks, and learning to ride rather than any kind of speed or highway use.
Built for
Expect a forgiving, low-intimidation ride with a simple air-cooled single, carbureted engine and modest power delivery that rewards smooth throttle control over aggression.
Not ideal for
This is not the bike for taller or heavier adults, highway commuting, two-up touring, or anyone seeking real speed or long-distance comfort.

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 780mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Kawasaki KLX 140R, with a cramped knee angle of around 65 degrees and an upright 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 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
144.0 ccm
Power
14.1 HP (10.4 kW)
Torque
12.0 Nm (1.2 kgf-m) @ 6000 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.1516 HP/kg (wet)
Bore x stroke
58.0 x 54.4 mm
Compression
9.5:1
Cooling system
Air
Fuel system
Carburettor
Starting
Electric
Ignition
Digital DC-CDI
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multiplate, wet
Dimensions & weight
Wheelbase
1260 mm
Overall length
1821 mm
Overall width
790 mm
Overall height
1049 mm
Seat height
780 mm
Wet weight
93.0 kg
Fuel capacity
5.70 litres
Ground clearance
236 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
High-tensile steel, box-section perimeter
Front suspension
33mm telescopic fork
Rear suspension
Uni-Trak linkage system and single shock with piggyback reservoir, fully adjustable preload and 22-way rebound damping
Front wheel travel
180 mm
Rear wheel travel
180 mm
Rake (fork angle)
27.0°
Trail
84 mm
Brakes & wheels
Front brakes
Single disc. Petal disc with a dual-piston caliper
Front brakes diameter
220 mm
Rear brakes
Single disc. Petal disc with single-piston caliper
Front tyre
70/100-17
Rear tyre
90/100-14
Other
Color options
Lime Green
Warranty
6

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 144 cc 144 cc 144 cc 144 cc 144 cc
Seat height 780 mm 780 mm 800 mm 780 mm 780 mm
Fuel capacity 5.7 L 5.7 L 5.7 L 5.8 L 5.8 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2021 Kawasaki KLX 140R is a fantastic off-road motorcycle with impressive performance and agility. Its 144cc engine provides plenty of power for tackling rugged terrain, while the lightweight chassis and sturdy suspension make for a smooth and controlled ride. The bike's electric start feature adds convenience, and its adjustable shock absorbers allow riders to tailor the bike's handling to their preferences. Whether you're a beginner or experienced rider, the KLX 140R offers a thrilling and enjoyable off-road experience.

In addition to its stellar performance, the 2021 Kawasaki KLX 140R boasts a stylish and durable design that will turn heads on the trails. The bike's compact size and low seat height make it accessible to a wide range of riders, and its reliable brakes provide confident stopping power. With its user-friendly controls and responsive handling, the KLX 140R is a top choice for anyone seeking a high-quality off-road motorcycle. Overall, the 2021 Kawasaki KLX 140R is a versatile and capable bike that delivers on both performance and aesthetics.

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Common questions

What is the engine size of the Kawasaki KLX 140R?

The 2021 Kawasaki KLX 140R has a Capacity of 144.0 ccm (8.79 cubic inches).

What engine power does the Kawasaki KLX 140R have?

The 2021 Kawasaki KLX 140R has a Power of 14.1 HP (10.4 kW).

How many gears does the Kawasaki KLX 140R have?

The 2021 Kawasaki KLX 140R has a Gearbox of 5-speed.

What is the torque of the Kawasaki KLX 140R?

The 2021 Kawasaki KLX 140R has a Torque of 12.0 Nm (1.2 kgf-m or 8.9 ft.lbs) @ 6000 RPM.

How much does the Kawasaki KLX 140R weigh?

The 2021 Kawasaki KLX 140R has a Wet weight of 93.0 kg (205.0 pounds).

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