2025 KTM 250 SX

$7,948.00
$9,349.00 $7,948.00
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Plus Destination: $650

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2025 KTM 250 SX - SAN DIEGO'S RAW 2-STROKE POWERHOUSE

If you're craving throttle response that bites and an engine tone that echoes across the hills of Southern California, the 2025 KTM 250 SX is the two-stroke weapon you've been waiting for. Lightweight, fast, and brutal in the best way - it’s bred for domination on tracks like Barona, Pala, and beyond.

This isn’t just nostalgia; it’s modern two-stroke racing evolved. Featuring a 250 cc powerhouse with electronic fuel injection (EFI), advanced WP XACT suspension, and KTM’s proven READY TO RACE DNA, the 250 SX delivers full-throttle intensity without sacrificing rideability. The sharp ergonomics, responsive geometry, and electric start make it just as composed in a battle as it is wild out of the gate.

From aggressive holeshots to mid-corner throttle whips, the KTM 250 SX exists for riders who ride with grit, precision, and a little chaos. San Diego motocross just got a lot louder.

UNIT SPECS

Engine

  • Transmission: 5-speed
  • Starter: Electric starter
  • Stroke: 72 mm
  • Bore: 66.4 mm
  • Clutch: Wet, DDS multi-disc clutch, Brembo hydraulics
  • Displacement: 249 cm³
  • EMS: Vitesco Technologies EMS
  • Design: 1-cylinder, 2-stroke engine
  • Fuel System: Keihin EFI, 39 mm throttle body

Chassis

  • Weight (without fuel): 96.4 kg
  • Tank Capacity (approx.): 7.2 l
  • Wheelbase: 1,485 mm ± 10 mm
  • Front Brake Disc Diameter: 260 mm
  • Rear Brake Disc Diameter: 220 mm
  • Front Brake: Disc brake
  • Rear Brake: Disc brake
  • Chain: 520, non-sealed
  • Frame Design: Central double-cradle-type 25CrMo4 steel
  • Front Suspension: WP XACT-USD (AER), Ø 48 mm
  • Ground Clearance: 359 mm
  • Handlebar: Neken, aluminum Ø 28/22 mm
  • Rear Suspension: WP XACT Monoshock with linkage
  • Seat Height: 958 mm
  • Silencer: Aluminum
  • Steering Head Angle: 63.9°
  • Rear Subframe Design: Aluminum-reinforced polyamide
  • Suspension Travel (Front): 310 mm
  • Suspension Travel (Rear): 300 mm
  • Wheels: Spoked wheels with aluminum rims

FEATURES

  • POWERFUL 250 CC EFI ENGINE: The KTM 250 SX boasts a cutting-edge 250 cc 2-stroke engine with electronic fuel injection (EFI), providing smoother power delivery, better fuel efficiency, and reduced emissions without compromising performance.
  • ELECTRIC STARTER: Gone are the days of kickstarts. The 250 SX fires to life with a push of a button, thanks to a reliable electric starter and lightweight lithium-ion battery system.
  • WP XACT SUSPENSION: Equipped with a 48 mm AER fork and a high-performance WP XACT rear shock with linkage, this suspension system offers outstanding adjustability and terrain absorption for aggressive motocross riding.
  • REFINED CHASSIS GEOMETRY: The hydro-formed, laser-cut steel frame features optimal stiffness and flex characteristics, giving riders improved feedback and handling at all speeds and conditions.
  • MASS CENTRALIZATION: With the engine positioned for perfect center-of-gravity balance, the 250 SX feels light, nimble, and flickable—ideal for technical tracks and mid-air corrections.
  • ADVANCED BODYWORK: Sleek ergonomics and slim plastics give riders enhanced freedom of movement, while the flat seat profile makes it easy to shift weight forward during aggressive cornering.
  • TRACTION READY: The swingarm and rear shock layout have been designed to maximize traction and stability, especially under heavy acceleration and braking loads.
  • READY TO RACE: True to KTM’s legacy, the 2025 250 SX rolls off the line with premium components and race-winning design, making it a track-dominating machine straight from the crate.

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See TERMS for details. Plus government fees and taxes, any finance charges, dealer document processing charges, electronic filing fees, emission testing charges, and freight. All sale prices include applicable factory incentives. Availability may vary. Some items may not be in immediate dealer stock and may require ordering. Estimated order time ranges from 1 to 90 days. Please see terms for full details. Please call to confirm availability.