KTM 250 SX-F - 2015 Specifications and Reviews

The 2015 KTM 250 SX-F is a lightweight motocross machine designed for amateur and intermediate riders seeking competitive performance on the track. Powered by a liquid-cooled 250cc four-stroke engine with electronic ignition, it delivers responsive power delivery and excellent maneuverability. Known for its aggressive styling, precise handling geometry, and reliable construction, the 250 SX-F remains a popular choice in the intermediate motocross category.

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General information

CategoryCross / motocross
Year2015
ModelKTM 250 SX-F
 
 

Engine and Transmission Specifications

Driveline13:48. Primary drive: 22:68.
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemForced oil lubrication with 2 Eaton pumps
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Bore x Stroke78.0 x 52.3 mm (3.1 x 2.1 inches)
Engine typeSingle cylinder, four-stroke
Capacity:249.91 ccm (15.25 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Brake calipers on floating bearings
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Brake calipers on floating bearings
Rear Suspension317 mm (12.5 inches)
Rear SuspensionWP  Suspension 5018 BAVP DCC
Front Suspension300 mm (11.8 inches)
Front SuspensionWP  Suspension Up Side Down 4860 MXMA CC
Rake (fork angle)26.5°
Frame typeCentral tube frame made of chrome molybdenum steel tubing

Physical measures and capacities

Fuel capacity7.50 litres (1.98 gallons)
Wheelbase1,495 mm (58.9 inches)
Ground clearance376 mm (14.8 inches)
Seat height992 mm (39.1 inches) If adjustable, lowest setting.
Dry weight102.8 kg (226.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsOrange/black
StarterElectric

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

2015 KTM 250 SX-F Rider Ergonomics Assessment

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

Feet:

At 992mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2015 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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