2018 KTM 250 SX

KTM 250 SX 2018


2018 KTM 250 SX specifications, pictures, reviews and rating

KTM's profilation of this bike
The KTM 250 SX has one of the best power-to-weight ratios in the world of dirt, forming the ultimate fist against more complex 4-stroke rivals. With the grunt to devour all sorts of tracks and terrains, and a lightweight chassis keen to skim the surface, this masterpiece of KTM’s R and D and Motorsport departments is born to lead the next pack of winners that prefer premix.

General information
Model KTM 250 SX
Year of manufacture 2018
Type Cross / motocross
Rating 3.4  Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
Engine and transmission
Engine size 249.0 ccm (15.19 cubic inches)
Type of engine Single cylinder, two-stroke
Engine details Reed intake
Bore x stroke 66.4 x 72.0 mm (2.6 x 2.8 inches)
Fuel system Carburettor. Mikuni TMX. Kokusan EMS.
Ignition Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Cooling system Liquid
Gearbox 5-speed
Transmission type Chain (final drive)
Clutch Wet, DDS multi-disc clutch, Brembo hydraulics
Driveline 13:48. Primary drive: 26:72. 520 X-ring chain.
Chassis, suspension, brakes and wheels
Frame type Chrome-molybdenum steel central-tube
Rake (fork angle) 26.5°
Front suspension WP-USD, AER 48, Ø 48 mm
Front wheel travel 300 mm (11.8 inches)
Rear suspension WP shock absorber with linkage
Rear wheel travel 300 mm (11.8 inches)
Front brakes Single disc. Four-piston calipers.
Diameter 260 mm (10.2 inches)
Rear brakes Single disc. Two-piston calipers.
Diameter 220 mm (8.7 inches)
Wheels CNC machined hubs. Excel rims. Wire spoked.
Physical measures and capacities
Dry weight 95.4 kg (210.3 pounds)
Seat height 960 mm (37.8 inches) If adjustable, lowest setting.
Ground clearance 375 mm (14.8 inches)
Wheelbase 1495 mm (58.9 inches)
Fuel capacity 7.00 litres (1.85 US gallons)
Other specifications
Color options Orange/white/black
Starter Kick
Update specsReport missing specs or required updates.
Further information
Insurance costsCompare US insurance quotes from the nation's top providers.
Parts finder Check out our overview of motorcycle webshops at Bikez.info.
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 18 KTM 250 SX discussion group or the general KTM discussion group.
Related bikesList related bikes for comparison of specs.
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Rating sample for this KTM bike
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