Whether its power-to-weight or power and control, the KTM 250 SX is the perfect combination of all that counts. Featuring a high-performance 2-stroke engine fitted within a state-of-the-art chassis, this powerhouse is undoubtedly the fastest 250 cc 2-stroke on track. This proven race weapon is the right choice for those who thrive on that glorious 2-stroke sound while smashing out one hot lap after the next.

Engine Type: Single Cylinder, 2-Stroke
Displacement: 143.99 cc
Bore/Stroke: 58/54.5 mm
Starter: Electric, Lithium Ion 12 V 2 Ah / Kickstarter
Transmission: 6 Gears, Wide Ratio
Fuel System: TPI, Dell’Orto 3

9 mm Throttle Body
Lubrication: Electronically Regulated Oil Pump
Primary Ratio: 23:73
Final Drive: 13:50
Cooling: Liquid Cooling
Clutch: Wet Multi-Disc Clutch, Brembo Hydraulics
Ignition: Continental EMS
Frame: Central Double-Cradle Type 25CrMo4 Steel
Subframe: Aluminum
Handlebar: NEKEN, Aluminum Ø 28/22 mm
Front Suspension: WP XPLOR USD Ø 48 mm
Rear Suspension: WP XPLOR Shock with PDS
Suspension Travel Front / Rear: 300 mm / 11.8 in; 310 mm / 12.2 in
Front/Rear Brakes: Disc Brake 260 mm; 220 mm
Front/Rear Rims: 1.60 x 21” / 2.15 x 18” Giant
Front/Rear Tires: 90/90-21” / 110/100-18” Dunlop GEOMAX AT81
Chain: 5/8 x 1/4 in
Silencer: Aluminum
Steering Head Angle: 26.5º
Triple Clamp Offset: 22 mm
Wheelbase: 1,482 mm ± 10 mm / 58.3 ± 0.4 in
Ground Clearance: 370 mm / 14.6 in
Seat Height: 960 mm / 37.8 in
Tank Capacity, Approx: 9 l / 2.4 gal
Weight (without fuel), Approx: 96.8 kg / 213.4 lbs