Kawasaki KLX 140 - 2009 Specifications and Reviews

The 2009 Kawasaki KLX 140 is a lightweight 144cc enduro bike designed for young riders and beginners seeking affordable off-road fun. Its air-cooled single-cylinder engine delivers manageable power with electric start convenience, while the five-speed transmission and chain drive provide simplicity and reliability. Best known for being an accessible entry-level dirt bike that excels on trails and motocross training grounds.

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General information

CategoryEnduro / offroad
Year2009
ModelKawasaki KLX 140

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
StarterElectric & kick
IgnitionCDI
Fuel controlSOHC
Fuel systemCarburettor. Keihin PB20
Bore x stroke58.0 x 54.4 mm (2.3 x 2.1 inches)
Compression9.5:1
Stroke4
Engine typeSingle cylinder
Capacity:144.00 ccm (8.79 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,260 mm (49.6 inches)
Ground clearance236 mm (9.3 inches)
Overall width790 mm (31.1 inches)
Overall length1,821 mm (71.7 inches)
Overall height1,049 mm (41.3 inches)
Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc93.0 kg (205.0 pounds)
 
 

Kawasaki KLX 140 dimensions and frame

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions90/90-14
Front tyre dimensions70/80-17
Rear suspensionUNI-TRAK® linkage system and single shock with 5-way preload adjustability / 7.1 in.
Front suspension33mm telescopic fork / 7.1 in.
Trail84 mm (3.3 inches)
Rake (fork angle)27.0°
Frame typeHigh-Tensile steel, box-section perimeter

Speed and acceleration

Color optionsLime Green
Fuel capacity5.67 litres (1.50 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track10%
City25%
Cornering40%
Daily Riding20%
Touring10%
Passenger5%

Rider Profile

Best ForThis bike is best suited to beginners, young riders, or smaller-statured adults taking their first steps into off-road riding.
PurposeIt's a lightweight trail and recreational off-road bike designed for casual dirt riding rather than speed or long-distance travel.
Rider FitIts low seat height and very light weight make it extremely approachable for smaller or less experienced riders.
CharacterIt's a friendly, forgiving, low-power trail companion that rewards playful, low-speed maneuvering over raw performance.
Not Ideal ForIt's not suitable for highway travel, touring, carrying a passenger, or riders seeking real speed or power.

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

Rider Fit Visualizer

2009 Kawasaki KLX 140 Rider Ergonomics Assessment

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

Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Kawasaki KLX 140, with a cramped knee angle of around 65 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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