When it comes to power-to-weight ratios, the KTM 300 SX writes the rule book. Now with learnings taken directly from the KTM Factory Racing teams, and a care package labeled “Go get ‘em!”, the 2025 KTM 300 SX is engineered for one task alone – to lead from the front.
5-speed
Electric starter
72 mm
72 mm
Wet, DDS multi-disc clutch, Brembo hydraulics
293.2 cm³
Vitesco Technologies EMS
1-cylinder, 2-stroke engine
Keihin EFI, throttle body 39 mm
99.4 kg
7.2 l
260 mm
220 mm
Disc brake
Disc brake
520, Non-sealed
Central double-cradle-type 25CrMo4 steel
WP XACT-USD (AER), Ø 48 mm
354 mm
Neken, aluminium Ø 28/22 mm
WP XACT Monoshock with linkage
958 mm
63.9 °
Aluminum-reinforced polyamide
310 mm
300 mm
Spoked wheels with aluminium rims