Kawasaki KX250F - 2009 Specifications and Reviews

The 2009 Kawasaki KX250F is a competitive 250cc motocross bike engineered for intermediate to advanced riders seeking reliable performance. Powered by a liquid-cooled four-stroke engine with 13.2:1 compression and DOHC valve operation, it delivers strong mid-range power ideal for both track racing and off-road riding. Known for its lightweight aluminum frame and responsive handling characteristics, the KX250F remains a respected choice in the 250cc motocross class.

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General information

CategoryCross / motocross
Year2009
ModelKawasaki KX250F

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital CDI with K-TRIC throttle position sensor
Fuel controlDOHC
Fuel systemCarburettor. Keihin FCR37 and hot start circuit
Valves per cylinder4
Bore x stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Compression13.2:1
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 calipers
Rear tyre dimensions100/90-19
Front tyre dimensions80/80-21
Rear suspensionUNI-TRAK linkage system with 13-way low-speed and 2-turn high-speed compression damping, 17-way rebound damping and fully adjustable spring preload / 12.2 in.
Front suspension travel122 mm (4.8 inches)
Front suspension47mm inverted twin-chamber telescopic fork with 16-way compression and rebound damping / 12.4 in.
Rake (fork angle)27.7°
Frame typeAluminum perimeter
 
 

Physical measures and capacities

Fuel capacity7.94 litres (2.10 gallons)
Wheelbase1,471 mm (57.9 inches)
Ground clearance340 mm (13.4 inches)
Overall width820 mm (32.3 inches)
Overall length2,169 mm (85.4 inches)
Overall height1,270 mm (50.0 inches)
Seat height955 mm (37.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc104.3 kg (229.9 pounds)
 
 

Other specs

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

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering90%
Daily Riding10%
Touring5%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to expert riders who have off-road or motocross training, as this is a competition-focused machine with no electric start or forgiving road manners.
PurposeBuilt purely for motocross racing and off-road competition, not for street or commuting use.
Rider FitTall 955mm seat height, minimal seat padding, and a light but demanding chassis mean it favors fit, physically active riders comfortable standing and shifting weight aggressively.
CharacterA high-strung, race-bred single with sharp throttle response, razor-quick handling, and suspension tuned for jumps and rough terrain rather than comfort.
Not Ideal ForNot suitable for new riders, daily commuting, passengers, or anyone seeking a comfortable, road-legal, or long-distance touring bike.

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

Rider Fit Visualizer

2009 Kawasaki KX250F Rider Ergonomics Assessment

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Feet:

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2009 Kawasaki KX250F, 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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