2009Kawasaki KX250F

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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.

Capacity: 249.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 92.5 kg
Seat height: 955 mm
Power: 43.0 HP (31.6 kW)

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What’s new for the 2009 Kawasaki KX250F

vs the 2008

Spec	2008	2009
Torque	40.0 Nm (4.1 kgf-m or 29.5 ft.lbs) @ 11500 RPM	not listed
Fuel capacity	7.20 litres (1.90 US gallons)	7.90 litres (2.09 US gallons)
Front brakes	Double disc	Single disc. Two-piston calipers
Compression	13.5:1	13.2:1

Other years 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail97%

Cornering90%

City riding5%

Daily riding10%

Touring5%

Two-up5%

Track85%

Best for: Built purely for motocross racing and off-road competition, not for street or commuting use.
Built for: A 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 for: Not suitable for new riders, daily commuting, passengers, or anyone seeking a comfortable, road-legal, or long-distance touring bike.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us

Your height

Inseam (optional)

Units

At 955mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2009 Kawasaki KX250F, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine

Capacity: 249.0 ccm
Power: 43.0 HP (31.6 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.4649 HP/kg (dry)
Bore x stroke: 77.0 x 53.6 mm
Compression: 13.2:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: Digital CDI with K-TRIC throttle position sensor
Valves per cylinder: 4

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Automatic

Dimensions & weight

Wheelbase: 1471 mm
Overall length: 2169 mm
Overall width: 820 mm
Overall height: 1270 mm
Seat height: 955 mm
Dry weight: 92.5 kg
Wet weight: 104.3 kg
Fuel capacity: 7.90 litres
Ground clearance: 340 mm

Chassis & suspension

Frame: Aluminum perimeter
Front suspension: 47mm inverted twin-chamber telescopic fork with 16-way compression and rebound damping / 12.4 in.
Rear suspension: UNI-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 wheel travel: 122 mm
Rake (fork angle): 27.7°
Trail: 119 mm

Brakes & wheels

Front brakes: Single disc. Two-piston calipers
Front brakes diameter: 250 mm
Rear brakes: Single disc
Rear brakes diameter: 240 mm
Front tyre: 80/80-21
Rear tyre: 100/90-19

Other

Color options: Lime Green

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2004	2008	2009	2011	2015	2018
Capacity	249 cc	249 cc	249 cc	249 cc	249 cc	249 cc
Dry weight	93 kg	93 kg	93 kg	93 kg	—	—
Seat height	960 mm	960 mm	955 mm	945 mm	945 mm	940 mm
Fuel capacity	7.6 L	7.2 L	7.9 L	7.2 L	6.1 L	6.1 L