Kawasaki KLX 140R L - 2025 Specifications and Reviews

The 2025 Kawasaki KLX 140R L is a lightweight enduro bike designed for young riders and beginners learning off-road skills. Its 144cc single-cylinder four-stroke engine delivers manageable power with excellent low-end torque, making it ideal for trail riding and competitive training. Known for its reliability and user-friendly chassis, this model excels in developing rider confidence on varied terrain.

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General information

Color OptionsLime Green
CategoryEnduro / offroad
ModelKawasaki KLX 140R L

Engine and Transmission Specifications

ClutchMultiplate, wet
Final DriveChain (final drive)
Gearbox5-speed
Cooling SystemAir
IgnitionDigital DC-CDI
Fuel ControlSingle Overhead Cams (SOHC)
InductionCarburettor. Keihin 20mm
Bore x Stroke58.0 x 54.4 mm (2.3 x 2.1 inches)
Compression Ratio9.5:1
Max Torque8.0 Nm (0.8 kgf-m or 5.9 ft.lbs) @ 4000 RPM
Engine TypeSingle cylinder, four-stroke
Capacity:144.0 ccm (8.79 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity5.80 litres (1.53 US gallons)
Wheelbase1285 mm (50.6 inches)
Ground Clearance255 mm (10.0 inches)
Overall Width790 mm (31.1 inches)
Overall Length1895 mm (74.6 inches)
Overall Height1075 mm (42.3 inches)
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Wet Weight95.0 kg (209.4 pounds)

Kawasaki KLX 140R L dimensions and frame

Rear BrakesSingle disc. Petal disc with single-piston caliper
Brake Disc Diameter150 mm (5.9 inches)
Front BrakesSingle disc. Petal disc with a dual-piston caliper
Rear Tyre90/100-16
Front Tyre70/100-19
Rear Wheel Travel180 mm (7.1 inches)
Rear SuspensionUni-Trak linkage system and single shock with piggyback reservoir, fully adjustable preload and 22-way rebound damping
Front Wheel Travel180 mm (7.1 inches)
Front Suspension33mm telescopic fork
Trail96 mm (3.8 inches)
FrameHigh-tensile steel, box-section perimeter

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
Warranty6 Months
Rake (fork angle)27.0°
Lubrication systemForced lubrication, wet sump
Output7.2 HP (5.3 kW)) @ 7500 RPM
Year of manufacture2025

Performance Profile & Rider Fit

7.2 hp
Peak Power

Best For

Track10%
City25%
Cornering40%
Daily Riding20%
Touring15%
Passenger5%

Rider Profile

Best ForThis is an entry-level trail bike designed for young or beginner riders, including those transitioning from smaller youth machines.
PurposeBuilt for light trail riding, off-road learning, and casual dirt exploration rather than any speed or highway use.
Rider FitThe low 800mm seat height and lightweight 95kg wet weight make it very manageable for smaller or less experienced riders to handle and pick up.
CharacterIt has a friendly, forgiving, and approachable nature with modest low-end torque and easy-to-manage power delivery suited to skill-building.
Not Ideal ForThis bike is not suited for experienced adult riders seeking speed, long-distance touring, passenger carrying, or paved road performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2025 Kawasaki KLX 140R L Rider Ergonomics Assessment

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Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2025 Kawasaki KLX 140R L, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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