2026 KTM 125 SX
2026 KTM 125 SX for Sale at Moorooka KTM in Moorooka, QLD | Review Specifications, Features & Information
FULL-SCREAM AHEAD
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 full throttle. The KTM 125 SX takes its leads directly from the KTM Factory Racing team for pure performance, pure results. Like the sound it makes, you won't forget it.
Engine
-
Design
1-cylinder, 2-stroke engine
-
Displacement
124.8 cm³
-
Transmission
6-speed
-
Fuel-mixture generation
Keihin EFI, throttle body 39 mm
-
EMS
Vitesco Technologies EMS
-
Clutch primary drive teeth
73
-
Primary drive
23:73
-
Clutch
Wet multi-disc DS clutch, Brembo hydraulics
-
Clutch type
DS multi-disc wet clutch
-
Clutch operation
Brembo hydraulics
-
Engine cylinder
Single cylinder
-
Engine stroke
2-Stroke
Chassis
-
Frame design
Central double-cradle-type 25CrMo4 steel
-
Front brake
Disc brake
-
Rear brake
Disc brake
-
Rear subframe design
Aluminum-reinforced polyamide
-
Chain
520, Non-sealed
Suspension
-
Front suspension
WP XACT-USD (AER), Ø 48 mm
-
Rear suspension
WP XACT Monoshock with linkage
-
Suspension travel (front)
310 mm
-
Suspension travel (rear)
300 mm
-
Front suspension adjustment
Compression (high and low speed), rebound
-
Rear suspension setting
Compression and rebound adjustable
Dimensions
-
Seat height
958 mm
-
Ground clearance
359 mm
-
Tank capacity (approx.)
7.2 l
The illustrated vehicles may vary in selected details from the production models and some illustrations feature optional equipment available at additional cost. All information concerning the scope of supply, appearance, services, dimensions and weights is non-binding and specified with the proviso that errors, for instance in printing, setting and/or typing, may occur; such information is subject to change without notice. Please note that model specifications may vary from country to country. In the case of coated surfaces, there may be color differences due to the usual process fluctuations. The consumption values stated refer to the roadworthy series condition of the vehicles at the time of factory delivery.