KTM 250 SX-F - 2012 Specifications and Reviews

The 2012 KTM 250 SX-F is a lightweight four-stroke enduro bike engineered for competitive riders and serious enthusiasts seeking aggressive off-road performance. Known for its potent 248cc single-cylinder engine, precision handling, and dependable six-speed transmission, it excels in technical terrain and racing environments. The liquid-cooled powerplant and advanced electronic ignition deliver responsive power ideal for cross-country and motocross applications.

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General information

CategoryEnduro / offroad
Year2012
ModelKTM 250 SX-F

Engine and Transmission Specifications

Driveline13:48
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemForced oil lubrication with 2 Eaton pumps
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Bore x stroke76.0 x 54.8 mm (3.0 x 2.2 inches)
Compression13.2:1
Engine typeSingle cylinder, four-stroke
Capacity:248.60 ccm (15.17 cubic inches)

Brakes, suspension, Frame and wheels

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 travel330 mm (13.0 inches)
Rear suspensionWP Suspension 5018 BAVP DCC
Front suspension travel300 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 clearance375 mm (14.8 inches)
Seat height992 mm (39.1 inches) If adjustable, lowest setting.
Dry weight103.4 kg (228.0 pounds)

Other specs

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

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

Feet:

At 992mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2012 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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