Kawasaki KLX 140R F - 2023 Specifications and Reviews

The 2023 Kawasaki KLX 140R F is a lightweight enduro bike designed for young riders and beginners learning off-road skills. Its 144cc single-cylinder engine delivers manageable power with excellent fuel efficiency, while the compact frame and low seat height make it accessible for smaller riders. Known for reliability and affordability, it excels in trail riding and serves as an ideal stepping stone in dirt bike progression.

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General information

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CategoryEnduro / offroad
Year2023
ModelKawasaki KLX 140R F

Engine and Transmission Specifications

ClutchMultiplate, wet
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemAir
IgnitionDigital DC-CDI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor. Keihin 20mm
Bore x Stroke58.0 x 54.4 mm (2.3 x 2.1 inches)
Compression9.5:1
Engine typeSingle cylinder, four-stroke
Capacity:144.0 ccm (8.79 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Petal disc with single-piston caliper
Diameter220 mm (8.7 inches)
Front brakesSingle disc. Petal disc with a dual-piston caliper
Rear tire90/100-18
Front tire70/100-21
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
Trail117 mm (4.6 inches)
Rake (fork angle)27.0°
Frame typeHigh-tensile steel, box-section perimeter
 
 

Physical measures and capacities

Fuel capacity5.68 litres (1.50 US gallons)
Wheelbase1331 mm (52.4 inches)
Ground clearance315 mm (12.4 inches)
Overall width790 mm (31.1 inches)
Overall length1996 mm (78.6 inches)
Overall height1135 mm (44.7 inches)
Seat height861 mm (33.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc99.0 kg (218.2 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty6 Months
Color optionsLime Green

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

2023 Kawasaki KLX 140R F Rider Ergonomics Assessment

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

Feet:

At 861mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2023 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Kawasaki KLX 140R F is a versatile and reliable dirt bike that is perfect for riders of all experience levels. With a 144cc air-cooled, single-cylinder engine, this bike offers plenty of power and smooth acceleration. The electric start makes it easy to get going, and the six-speed transmission allows for smooth shifting on various terrains. The lightweight frame and sturdy suspension make for a comfortable and nimble ride, while the front and rear disc brakes provide excellent stopping power. Overall, the KLX 140R F is a great choice for anyone looking for a fun and capable off-road bike. Kawasaki has once again delivered a top-notch dirt bike with the 2023 KLX 140R F. The bike's durable construction and reliable performance make it a great option for riders who want a bike they can trust on the trails. With its user-friendly features and comfortable handling, the KLX 140R F is an excellent choice for both beginners and experienced riders. Whether you're hitting the trails for a weekend adventure or participating in a competitive race, the KLX 140R F is a bike that won't let you down. Overall, the 2023 Kawasaki KLX 140R F offers a winning combination of power, agility, and durability that will satisfy any off-road rider.
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