Kawasaki KLX 125 - 2010 Specifications and Reviews

The 2010 Kawasaki KLX 125 is a lightweight enduro bike designed for beginner and young riders seeking an affordable entry into off-road riding. Its compact 125cc air-cooled four-stroke engine delivers modest torque with fuel injection reliability, while the five-speed manual gearbox provides manageable power delivery. Best known for its durability and low seat height, the KLX 125 excels as a learner-friendly trail bike.

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General information

CategoryEnduro / offroad
Year2010
ModelKawasaki KLX 125

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemWet sump
IgnitionDigital DC-CDI
Fuel controlSOHC
Fuel systemInjection. Keihin
Valves per cylinder2
Bore x stroke54.0 x 54.4 mm (2.1 x 2.1 inches)
Compression9.5:1
Torque10.00 Nm (1.0 kgf-m or 7.4 ft.lbs)
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter186 mm (7.3 inches)
Rear brakesSingle disc
Front brakesExpanding brake (drum brake)
Rear tyre dimensions90/100-16
Front tyre dimensions70/100-19
Rear suspension travel180 mm (7.1 inches)
Rear suspensionUni-Track
Front suspension travel175 mm (6.9 inches)
Front suspension33mm hydraulic telescopic fork
Rake (fork angle)24.2°
Frame typePerimeter, steel
 
 

Physical measures and capacities

Fuel capacity7.00 litres (1.85 gallons)
Wheelbase1,074 mm (42.3 inches)
Overall width770 mm (30.3 inches)
Overall length1,980 mm (78.0 inches)
Overall height1,090 mm (42.9 inches)
Seat height830 mm (32.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc113.0 kg (249.1 pounds)

Other specs

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

Performance Profile & Rider Fit

10.2 hp
Peak Power

Best For

Track10%
City45%
Cornering40%
Daily Riding40%
Touring20%
Passenger15%

Rider Profile

Best ForThis is an entry-level machine best suited to beginners, younger riders, or those just starting out on dirt and trails.
PurposeIt is designed for light trail riding, learning off-road skills, and easy commuting rather than outright performance.
Rider FitThe low seat height and light dry weight make it very manageable for smaller or less experienced riders to handle both standing and seated.
CharacterIt has a friendly, unintimidating personality with modest power delivery that rewards smooth, patient riding rather than aggression.
Not Ideal ForIt is not for experienced riders seeking highway speed, long-distance touring comfort, or serious high-speed off-road performance.

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

Rider Fit Visualizer

2010 Kawasaki KLX 125 Rider Ergonomics Assessment

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

Feet:

At 830mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2010 Kawasaki KLX 125, 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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