Kawasaki KLX 250S - 2011 Specifications and Reviews

The 2011 Kawasaki KLX 250S is a lightweight enduro bike ideal for beginner and intermediate riders seeking affordable off-road capability. Known for its reliable 249cc four-stroke engine, composed handling, and fuel-efficient carbureted design, it excels on trails and provides an accessible entry point into dirt biking. Its liquid-cooled, DOHC powerplant delivers predictable performance across varied terrain.

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General information

CategoryEnduro / offroad
Year2011
ModelKawasaki KLX 250S
 
 

Engine and Transmission Specifications

Emission detailsMeets strict CARB regulations, so its available in California
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionDigital CDI
Fuel controlDOHC
Fuel systemCarburettor. Keihin CVK34
Bore x stroke72.0 x 61.2 mm (2.8 x 2.4 inches)
Compression11.0:1
Engine typeSingle cylinder, four-stroke
Capacity:249.00 ccm (15.19 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc. Two-piston hydraulic caliper
Rear tyre dimensions100/100-18
Front tyre dimensions80/100-21
Rear suspensionUni-Trak with Adjustable Preload, 16-Way Compression and Rebound Damping Adjustment / 9.1 in.
Front suspension43mm Inverted Cartridge Fork with 16-Way Compression Damping Adjustment / 10.0 in.
Trail104 mm (4.1 inches)
Rake (fork angle)26.5°
Frame typeSemi-double cradle, high-tensile steel

Physical measures and capacities

Fuel capacity7.57 litres (2.00 gallons)
Wheelbase1,430 mm (56.3 inches)
Ground clearance284 mm (11.2 inches)
Overall length2,200 mm (86.6 inches)
Overall height1,204 mm (47.4 inches)
Seat height889 mm (35.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc135.0 kg (297.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsLime Green, Ebony

Performance Profile & Rider Fit

Best For

Track25%
City55%
Cornering65%
Daily Riding45%
Touring30%
Passenger20%

Rider Profile

Best ForSuits beginner to intermediate riders who want a light, forgiving dual-purpose bike to build confidence on and off pavement.
PurposeDesigned as a dual-sport machine for trail riding, light off-road exploration, and casual commuting rather than outright speed.
Rider FitThe tall 890mm seat height and slim, lightweight 135kg chassis favor taller or more agile riders comfortable standing on pegs and managing a top-heavy stance at low speed.
CharacterA playful, nimble single-cylinder trail bike that rewards flickable handling and tolerant, adventurous riding over raw power or refinement.
Not Ideal ForNot the right choice for riders seeking highway speed, long-distance touring comfort, or a passenger-friendly setup.

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

Rider Fit Visualizer

2011 Kawasaki KLX 250S Rider Ergonomics Assessment

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

Feet:

At 889mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 Kawasaki KLX 250S, 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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