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2025-ktm-125-sx-banner

2025 KTM 125 SX

2025 KTM 125 SX

2025 KTM 125 SX for Sale at TeamMoto in QLD, VIC and ACT | Specifications and Review Information

2025 KTM 125 SX

There are very few sounds that can't be beaten. The crack of a soda can on a blistering hot day. The ping of the perfectly executed golf shot. And the scream of a 125 cc 2-stroke charging down a long straightaway. The 2025 KTM 125 SX takes its leads directly from the Factory Racing team and puts them to work like nothing else. Like the sound it makes, it cannot be beaten.
This motorcycle is designed, developed and produced in Austria.

Engine

  • Transmission

    6-speed

  • Starter

    Electric starter

  • Stroke

    54.5 mm

  • Bore

    54 mm

  • Clutch

    Wet multi-disc DS clutch, Brembo hydraulics

  • Displacement

    124.8 cm³

  • EMS

    Vitesco Technologies EMS

  • Design

    1-cylinder, 2-stroke engine

  • Fuel-mixture generation

    Keihin EFI, throttle body 39 mm

Chassis

  • Weight (without fuel)

    92.4 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