KTM 250 SX-F - 2009 Specifications and Reviews

The 2009 KTM 250 SX-F is a lightweight four-stroke motocross machine engineered for intermediate to advanced riders seeking competitive performance. Its liquid-cooled 248cc engine delivers sharp power delivery and excellent throttle response, making it ideal for both recreational and race-oriented off-road riding. Known for nimble handling and reliability, this bike excels in technical terrain and tight racing conditions.

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General information

CategoryEnduro / offroad
Year2009
ModelKTM 250 SX-F
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch, operated hydraulically
Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPressure lubrication
StarterKick
IgnitionKokusan
Fuel controlDOHC
Valves per cylinder4
Fuel systemCarburettor. Keihin MX FCR 39
Bore x stroke76.0 x 54.8 mm (3.0 x 2.2 inches)
Compression12.8:1
Stroke4
Engine typeSingle cylinder
Capacity:248.60 ccm (15.17 cubic inches)

Physical measures and capacities

Wheelbase1,475 mm (58.1 inches)
Ground clearance380 mm (15.0 inches)
Seat height985 mm (38.8 inches) If adjustable, lowest setting.
Dry weight98.0 kg (216.1 pounds)
 
 

KTM 250 SX-F dimensions and frame

Exhaust systemAluminium
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tyre dimensions100/90-19
Front tyre dimensions80/100-21
Rear suspension travel335 mm (13.2 inches)
Rear suspensionWP PDS shock absorber
Front suspension travel300 mm (11.8 inches)
Front suspensionWP USD, 48 mm
Rake (fork angle)26.5°
Frame typeCentral double-cradle-type 25CrMo4. Aluminium subframe.

Speed and acceleration

Color optionsOrange/black
Fuel capacity8.00 litres (2.11 gallons)

Other specs

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

Performance Profile & Rider Fit

Best For

Track90%
City10%
Cornering85%
Daily Riding10%
Touring12%
Passenger5%

Rider Profile

Best ForThis is a full-size 250cc motocross machine best suited to intermediate through expert off-road riders, not newcomers to dirt biking.
PurposeBuilt purely as a motocross competition bike for closed circuits and tracks, with sharp handling and high-performance suspension rather than everyday usability.
Rider FitThe tall 958 mm seat height, firm suspension, and lack of creature comforts demand good rider fitness, leg length, and off-road riding technique.
CharacterA lightweight, race-bred single-cylinder machine defined by aggressive acceleration, precise cornering, and razor-sharp responsiveness over rough terrain.
Not Ideal ForThis bike is not suitable for riders wanting a comfortable commuter, a passenger-friendly machine, or a long-distance touring companion.

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

Rider Fit Visualizer

2009 KTM 250 SX-F Rider Ergonomics Assessment

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

Feet:

At 985mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2009 KTM 250 SX-F, with a moderate knee angle of around 90 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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