All it takes is one hard, fast rip into a loamy berm to know that the 2024 KTM 125 SX is a serious contender in the 125 cc race. Not only has the ‘Ring-ting-ting’ been given a fuel-injected revival, but the entire motorcycle also benefits from class-leading developments at every end. Boasting accolades such as being the leader in 2-stroke motocross innovation in the modern era, the 2024 KTM 125 SX simply slays the rest of the 125 cc class. All you need do is prod the starter, blip the throttle and let rip.
TRANSMISSION – 5-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
WEIGHT (WITHOUT FUEL) – 92.4 kg
TANK CAPACITY (APPROX.) – 7.2 l
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, Ø 48 mm
GROUND CLEARANCE – 359 mm
REAR SUSPENSION – WP XACT Monoshock with linkage
SEAT HEIGHT – 958 mm
STEERING HEAD ANGLE – 63.9 °
SUSPENSION TRAVEL (FRONT) – 310 mm
SUSPENSION TRAVEL (REAR) – 300 mm
