
Explore More: 2024 KTM 125 SX
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View Page2024 KTM 125 SX – SAN DIEGO’S 2-STROKE ICON, REFINED
From the local tracks of El Cajon to the MX nationals of Southern California, the 2024 KTM 125 SX continues to carry the legacy of lightweight, high-revving 2-stroke excellence. Engineered for riders ready to step into full-size motocross with pro-level intensity, this latest 125 SX brings the brawn and brains in one refined package.
Powered by an electronic fuel-injected 2-stroke engine and featuring electric start, this machine eliminates the drawbacks of older technology while amplifying everything riders love about 125 cc competition. It’s fast, it’s light, and it handles like a dream—perfect for San Diego’s ambitious motocross youth or any 2-stroke enthusiast craving agility and adrenaline. If you're serious about stepping up, the KTM 125 SX is your launchpad.
Engine
- Type: 1-cylinder, 2-stroke
- Displacement: 124.8 cm³
- Transmission: 6-speed
- Starter: Electric starter
- Fuel System: Keihin EFI, 39 mm throttle body
- EMS: Vitesco Technologies
- Clutch: Wet, DDS multi-disc clutch, Brembo hydraulics
Chassis
- Frame: Central double-cradle-type 25CrMo4 steel
- Front Suspension: WP XACT-USD (AER), Ø 48 mm
- Rear Suspension: WP XACT Monoshock with linkage
- Front Brake: 260 mm disc brake
- Rear Brake: 220 mm disc brake
- Chain: 520, non-sealed
- Seat Height: Approx. 958 mm
- Ground Clearance: Approx. 343 mm
- Tank Capacity: Approx. 7.2 liters
- Weight (No Fuel): Approx. 92.4 kg
- EFI 2-STROKE POWER: The latest generation 125 cc engine features electronic fuel injection for smoother power delivery, better throttle response, and reduced fuel consumption.
- ELECTRIC START: No more kickstarting. A lightweight battery and starter system offer the modern convenience of push-button ignition.
- LIGHTWEIGHT CHASSIS: The central double-cradle frame made of 25CrMo4 steel delivers superior handling, flex optimization, and rider feedback.
- WP XACT SUSPENSION: A 48 mm AER front fork and rear monoshock provide high-performance damping tuned for competitive motocross terrain.
- LAUNCH CONTROL + QUICKSHIFT: Rider aids like launch control and optional Quickshifter give serious racers the edge right out of the gate.
- RAZOR-SHARP ERGONOMICS: Slim bodywork, flat seat, and adjustable handlebar positions ensure excellent freedom of movement and rider control.
- READY TO RACE FINISH: Bold KTM graphics, black wheels, and race-tested components give this bike both performance and factory styling in one sleek package.
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.