2021 KTM 125 SX

The KTM 125 SX is the most compact and lightweight of the full-size bikes and delivers a confidence-inspiring ride like no other. A lightweight chassis teams up with the most competitive 125 cc 2-stroke engine in its class, delivering superior agility and power to fulfil the demands of any young adrenaline seeker. This 2-stroke screamer is the ultimate entry point into the pro ranks and a sure-fire way to add to the trophy collection.
Call B's Moto Lab today at 316-516-9760 to get pricing & order your new bike!
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ENGINE

  • TRANSMISSION // 6-speed
  • STARTER // Kickstarter
  • STROKE // 54.5 mm
  • BORE // 54 mm
  • CLUTCH // Multi-plate clutch, Brembo hydraulics
  • DISPLACEMENT // 124.8 cm³
  • EMS // Kokusan

CHASSIS

  • WEIGHT (WITHOUT FUEL) // 87.5 kg
  • TANK CAPACITY (APPROX.) // 7.5 l
  • FRONT BRAKE DISC DIAMETER // 260 mm
  • REAR BRAKE DISC DIAMETER // 220 mm
  • FRONT BRAKE // Disc brake
  • REAR BRAKE // Disc brake
  • CHAIN // 5/8 x 1/4"
  • FRAME DESIGN // Central double-cradle-type 25CrMo4 steel
  • FRONT SUSPENSION // WP XACT-USD, Ø 48 mm
  • GROUND CLEARANCE // 375 mm
  • REAR SUSPENSION // WP XACT Monoshock with linkage
  • SEAT HEIGHT // 850 mm
  • STEERING HEAD ANGLE // 63.9 °
  • SUSPENSION TRAVEL (FRONT) // 310 mm
  • SUSPENSION TRAVEL (REAR) // 300 mm