KTM 250 SX-F - 2010 Specifications and Reviews

The 2010 KTM 250 SX-F is a lightweight four-stroke enduro bike designed for intermediate to advanced off-road riders seeking competitive performance. Known for its agile handling, responsive single-cylinder engine, and excellent power delivery, it excels in technical terrain and motocross-style racing. The liquid-cooled four-stroke offers durability and efficiency for both weekend warriors and serious competitors.

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General information

CategoryEnduro / offroad
Year2010
ModelKTM 250 SX-F

Engine and Transmission Specifications

Exhaust systemAluminium
ClutchWet mDouble disk clutch, operated hydraulically
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPressure lubrication with 2 oil pumps
IgnitionKokusan
Fuel controlDOHC
Fuel systemCarburettor. Keihin FCR MX 39
Valves per cylinder4
Bore x stroke76.0 x 54.8 mm (3.0 x 2.2 inches)
Compression12.8:1
Engine typeSingle cylinder, four-stroke
Capacity:248.60 ccm (15.17 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
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 USD48 mm fork
Rake (fork angle)26.5°
Frame typeCentral double-cradle-type 25CrMo4
 
 

Physical measures and capacities

Fuel capacity8.00 litres (2.11 gallons)
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)

Other specs

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

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

2010 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 2010 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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