KTM 125 SX 2021

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.

 

ENGINE

  • TRANSMISSION6-speed
  • STARTERKickstarter
  • STROKE54.5 mm
  • BORE54 mm
  • CLUTCHMulti-plate clutch, Brembo hydraulics
  • DISPLACEMENT124.8 cm³
  • EMSKokusan

CHASSIS

  • WEIGHT (WITHOUT FUEL)87.5 kg
  • TANK CAPACITY (APPROX.)7.5 l
  • FRONT BRAKE DISC DIAMETER260 mm
  • REAR BRAKE DISC DIAMETER220 mm
  • FRONT BRAKEDisc brake
  • REAR BRAKEDisc brake
  • CHAIN5/8 x 1/4"
  • FRAME DESIGNCentral double-cradle-type 25CrMo4 steel
  • FRONT SUSPENSIONWP XACT-USD, Ø 48 mm
  • GROUND CLEARANCE375 mm
  • REAR SUSPENSIONWP XACT Monoshock with linkage
  • SEAT HEIGHT850 mm
  • STEERING HEAD ANGLE63.9 °
  • SUSPENSION TRAVEL (FRONT)310 mm
  • SUSPENSION TRAVEL (REAR)300 mm
SKU 159
Brand KTM

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