Kawasaki KX 250F - 2011 Specifications and Reviews

The 2011 Kawasaki KX250F is a competitive 250cc motocross bike engineered for intermediate to advanced riders seeking reliable performance. Its liquid-cooled four-stroke engine delivers consistent power across the RPM range, while the aluminum perimeter frame provides excellent handling characteristics. Known for durability and predictable power delivery, it remains a popular choice for motocross racing and off-road enthusiasts.

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General information

CategoryCross / motocross
Year2011
ModelKawasaki KX 250F

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital DC-CDI
Fuel controlDOHC
Fuel systemCarburettor. 43mm Keihin throttle body
Valves per cylinder4
Bore x stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Compression13.5:1
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
Rear tyre dimensions100/90-19
Front tyre dimensions80/100-21
Rear suspensionUni-Trak linkage system and Showa shock with 19 position low-speed and stepless high-speed compression damping, 22 position rebound damping and fully adjustable spring preload / 12.2 in.
Front suspension47mm inverted Showa SFF telescopic fork with spring preload adjustability and 22 position compression and 20 position rebound damping adjustability/ 12.4 in.
Trail119 mm (4.7 inches)
Rake (fork angle)28.2°
Frame typeAluminum perimeter

Physical measures and capacities

Fuel capacity7.19 litres (1.90 gallons)
Wheelbase1,476 mm (58.1 inches)
Ground clearance330 mm (13.0 inches)
Overall width820 mm (32.3 inches)
Overall length2,169 mm (85.4 inches)
Overall height1,270 mm (50.0 inches)
Seat height945 mm (37.2 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc105.6 kg (232.7 pounds)
 
 

Other specs

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

Performance Profile & Rider Fit

Best For

Track90%
City5%
Cornering85%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForBest suited to intermediate-to-advanced off-road riders who already understand motocross bike behavior, as this is a race-focused machine with no electric start or road-going amenities.
PurposeBuilt purely for motocross racing and track-style off-road riding, not for commuting, touring, or general road use.
Rider FitDemands a fit, athletic rider comfortable standing and shifting body weight aggressively, given its tall 940 mm seat height, kick-only start, and light 104.5 kg race-ready mass.
CharacterA high-strung, razor-sharp 250cc four-stroke motocrosser that rewards precise inputs with explosive acceleration and pinpoint cornering agility on dirt.
Not Ideal ForNot for riders seeking comfort, passenger capability, highway touring, or an easy low-maintenance daily ride.

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

Rider Fit Visualizer

2011 Kawasaki KX 250F Rider Ergonomics Assessment

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Feet:

At 945mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 Kawasaki KX 250F, with a cramped knee angle of around 85 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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