Kawasaki KLX 140R F - 2026 Specifications and Reviews

The 2026 Kawasaki KLX 140R F is a lightweight enduro bike designed for young and novice riders seeking an accessible entry point into off-road motorcycling. Its 144cc air-cooled single-cylinder engine delivers manageable power with excellent low-end torque, while the nimble chassis and compact dimensions make it ideal for tight trails and technical terrain. Known for its reliability and forgiving nature, the KLX 140R F excels as a learning platform.

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General information

Color OptionsLime Green
CategoryEnduro / offroad
 
 

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
Capacity:144.0 ccm (8.79 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity5.80 litres (1.53 US gallons)
Wheelbase1331 mm (52.4 inches)
Ground Clearance315 mm (12.4 inches)
Overall Width790 mm (31.1 inches)
Overall Length2005 mm (78.9 inches)
Overall Height1135 mm (44.7 inches)
Seat Height860 mm (33.9 inches) If adjustable, lowest setting.
Wet Weight99.0 kg (218.3 pounds)

Kawasaki KLX 140R F dimensions and frame

Rear BrakesSingle disc. Petal disc with single-piston caliper
Brake Disc Diameter156 mm (6.1 inches)
Front BrakesSingle disc. Petal disc with a dual-piston caliper
Rear Tyre90/100-18
Front Tyre70/100-21
Rear Wheel Travel201 mm (7.9 inches)
Rear SuspensionUni-Trak® linkage system and single shock with piggyback reservoir, 20-way rebound damping and threaded preload adjustability
Front Wheel Travel191 mm (7.5 inches)
Front Suspension33mm telescopic fork
Trail116 mm (4.6 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
Engine typeSingle cylinder, four-stroke
Year2025
Motorcycle nameKawasaki KLX 140R F

Performance Profile & Rider Fit

Best For

Track10%
City25%
Cornering30%
Daily Riding20%
Touring12%
Passenger5%

Rider Profile

Best ForThis is a beginner-to-intermediate oriented trail bike, well suited to younger or smaller riders learning off-road fundamentals.
PurposeBuilt for light trail riding, dirt paths, and recreational off-road exploration rather than speed or long-distance travel.
Rider FitIts low seat height, light 99kg weight, and narrow build make it very accessible to smaller or shorter riders and easy to handle at low speeds.
CharacterA nimble, forgiving, air-cooled single that prioritizes easy manageability and confidence-building off-road capability over outright performance.
Not Ideal ForNot suitable for highway travel, two-up touring, or riders seeking strong acceleration and high top speed.

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

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 860mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2026 Kawasaki KLX 140R F, with a cramped knee angle of around 75 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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