When it comes to power-to-weight ratios, the KTM 300 SX writes the rule book. Now with learnings taken directly from the KTM Factory Racing teams, and a care package labeled "Go get 'em!", the 2025 KTM 300 SX is engineered for one task alone - to lead from the front.
Engine
- Transmission5-speed
- StarterElectric starter
- Stroke72 mm
- Bore72 mm
- ClutchWet, DDS multi-disc clutch, Brembo hydraulics
- Displacement293.2 cm³
- EMSVitesco Technologies EMS
- Design1-cylinder, 2-stroke engine
- Fuel-mixture generationKeihin EFI, throttle body 39 mm
Chassis
- Weight (without fuel)99.4 kg
- Tank capacity (approx.)7.2 l
- Wheelbase1493 mm
- Front brake disc diameter260 mm
- Rear brake disc diameter220 mm
- Front brakeDisc brake
- Rear brakeDisc brake
- Chain520, Non-sealed
- Frame designCentral double-cradle-type 25CrMo4 steel
- Front suspensionWP XACT-USD (AER), Ø 48 mm
- Ground clearance354 mm
- HandlebarNeken, aluminium Ø 28/22 mm
- Rear suspensionWP XACT Monoshock with linkage
- Seat height958 mm
- SilencerAluminium
- Steering head angle63.9 °
- Rear subframe designAluminum-reinforced polyamide
- Suspension travel (front)310 mm
- Suspension travel (rear)300 mm
- WheelsSpoked wheels with aluminum rims
