KTM 250 SX - 2012 Specifications and Reviews

The 2012 KTM 250 SX is a lightweight two-stroke enduro bike designed for intermediate to advanced off-road riders seeking agility and responsiveness. Known for its potent 249cc single-cylinder power delivery and nimble handling, it excels in technical terrain and tight trail work. The liquid-cooled engine paired with a five-speed gearbox provides excellent versatility across varied riding conditions.

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General information

CategoryEnduro / offroad
Year2012
ModelKTM 250 SX
 
 

Engine and Transmission Specifications

Driveline13:48. Primary 26:72.
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemMixture oil lubrication 1:60
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Fuel systemCarburettor. Keihin PWK 36S AG
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Engine detailsReed intake and exhaust control
Engine typeSingle cylinder, two-stroke
Capacity:249.00 ccm (15.19 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 dimensions110/90-19
Front tyre dimensions80/100-21
Rear suspension travel335 mm (13.2 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 clearance385 mm (15.2 inches)
Seat height992 mm (39.1 inches) If adjustable, lowest setting.
Dry weight97.0 kg (213.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty12 Months
Light30W x 2 halogen
Wheelbase1,255 mm (49.4 inches)
Overall width1,204 mm (47.4 inches)
Overall length2,065 mm (81.3 inches)
Overall height1,146 mm (45.1 inches)
Weight incl. oil, gas, etc292.1 kg (643.9 pounds)
Rear tyre25/10-12
Front tyre25/8-12
Rear SuspensionSwingarm with single shock, preload adjustment / 7.1 in.
Front SuspensionMacPherson strut / 6.7 in.
Fuel controlSingle Overhead Cams (SOHC)
Bore x Stroke80.0 x 72.0 mm (3.1 x 2.8 inches)
Compression8.3:1
ModelKawasaki Prairie 360 4x4 Realtree APG HD
Color optionsOrange/black/white
StarterKick

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, 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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