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2018 KTM 125 SX

KICKSTART YOUR RACING CAREER

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The whip cracking KTM 125 SX has been at the front for years. With phenomenal performance on tap, it will be there for many more seasons to come. A compact chassis and the lowest weight out there is teamed up with a high performance 125cc 2-stroke engine for a surefire trophy collection. Get shredding, youngsters.

Engine

  • Design

    1-cylinder, 2-stroke engine

  • Displacement

    124.8 cm³

  • Bore

    54 mm

  • Stroke

    54.5 mm

  • Starter

    Kickstarter

  • Transmission

    6-speed

  • Primary drive

    23:73

  • Secondary gear ratio

    13:50

  • Clutch

    wet multi-disc clutch, Brembo hydraulics

  • EMS

    Kokusan

Chassis

  • Frame design

    25CrMo4 steel central-tube frame

  • Front suspension

    WP-USD, AER 48, Ø 48 mm

  • Rear suspension

    WP shock absorber with linkage

  • Suspension travel (front)

    12.2 inch

  • Front brake

    Disc brake

  • Rear brake

    Disc brake

  • Front brake disc diameter

    260 mm

  • Rear brake disc diameter

    220 mm

  • Chain

    5/8 x 1/4"

  • Steering head angle

    63.9 °

  • Seat height

    37.8 inch

  • Weight READY TO RACE (pound) (without fuel)

    192.24 lb.

  • Suspension travel (rear)

    11.81 inch

  • Tank capacity (approx.)

    1.85 US gal