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2021 125 Specifications

Spec, Photos, and Model Information

  • Start Price
    $7,399
  • Displacement (cc)
    124.8

Vehicle Specifications

2021 KTM 105SX 125

  • Front Brake Type
    Hydraulic Disc
  • Rear Brake Type
    Hydraulic Disc
  • Fuel Capacity (gal)
    2
  • Fuel Capacity (l)
    7.5
  • Carburetion Type
    Carburetor
  • Wheelbase (in)
    58.5
  • Wheelbase (mm)
    1485
  • Cylinders
    1
  • Displacement (cc)
    124.8
  • Engine Stroke
    2-Stroke
  • Engine Type
    Single-Cylinder
  • Starter
    Kick
  • Valve Configuration
    Reed Valve
  • Generic Type (Primary)
    Off-Road
  • Revision Status
    Carryover
  • MSRP
    7399
  • Warranty (Months)
    1
  • Number Of Seats
    1
  • Seat Height (in)
    33.5
  • Seat Height (mm)
    850
  • Front Tire (Full Spec)
    DunlopĀ® GEOMAX MX3S 80/100 R21 51M
  • Rear Tire (Full Spec)
    DunlopĀ® GEOMAX MX3S 100/90 R19 57M
  • Number Of Speeds
    6
  • Primary Drive (Rear Wheel)
    Chain
  • Transmission Type
    Manual
  • Dry Weight (kg)
    87.5
  • Dry Weight (lbs)
    192.9
  • Windshield
    Not Available
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