It's back! After a 2-year absence, the 2025 KTM 150 SX is once again ready to tear into your favorite MX track. Get ready to experience what it feels like to be a marble launched from a slingshot. The KTM 150 SX pulls hard from the bottom, gallops in the middle, and sings at the top. Which is where it belongs.

ENGINE

  • TRANSMISSION 6-speed
  • STARTER Electric starter
  • STROKE 54.5 mm
  • BORE 58 mm
  • CLUTCH Wet multi-disc DS clutch, Brembo hydraulics
  • DISPLACEMENT 143.99 cm³
  • EMS Vitesco Technologies EMS
  • DESIGN 1-cylinder, 2-stroke engine
  • FUEL-MIXTURE GENERATION Keihin EFI, throttle body 39 mm

CHASSIS

  • WEIGHT (WITHOUT FUEL) 92.6 kg
  • TANK CAPACITY (APPROX.) 7.2 l
  • WHEELBASE 1493 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, aluminium Ø 28/22 mm
  • REAR SUSPENSION WP XACT Monoshock with linkage
  • SEAT HEIGHT 958 mm
  • SILENCER Aluminium
  • 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 aluminium rims