The upcoming KTM 125 SX 2026 is generating massive excitement among motocross enthusiasts and industry insiders. Known for setting benchmarks in the lightweight two-stroke category, KTM is expected to push the limits further with this next-generation machine. Building on the 2025 model's success, the 2026 125 SX will likely feature refined frame geometry for enhanced agility and sharper cornering, along with further weight reduction through advanced materials and an updated chassis design. Rumors suggest KTM will introduce an all-new engine configuration to boost mid-range torque without sacrificing the bike's characteristic high-revving thrill. Improved electronic fuel injection (EFI) mapping is anticipated, offering smoother power delivery, better cold starts, and heightened fuel efficiency, making it even more competitive at all racing levels. Suspension updates, particularly to the WP XACT fork and rear shock, are expected to deliver more tunable performance, tailored for both professionals and amateurs. Visually, KTM will likely debut a fresh graphics kit, sleeker bodywork, and a color scheme that stays true to their iconic orange heritage while hinting at a more futuristic aesthetic. Ergonomic improvements, such as slimmer plastics and a revised seat shape, are also expected to enhance rider comfort and control.
Brand |
KTM |
Model |
125 SX 2026 |
Status |
Coming soon |
Release Date |
2025 |
Engine |
|
Transmission |
6-speed |
Starter |
Kickstarter |
Bore × Stroke |
54 mm × 54.5 mm |
Clutch |
Wet multi-disc DS clutch, Brembo hydraulics |
Displacement |
124.8 cm³ |
EMS |
Kokusan |
Engine |
1-cylinder, 2-stroke |
Chassis |
|
Weight (without fuel) |
87.5 kg |
Tank capacity (approx.) |
7.5 l |
Front brake |
disc |
diameter |
260 mm |
Rear brake |
disc |
diameter |
220 mm |
Front brake |
Disc brake |
Rear brake |
Disc brake |
Chain |
5/8 x 1/4" |
Frame design |
Central double-cradle-type 25CrMo4 steel |
Front suspension |
WP XACT-USD, Ø 48 mm |
Ground clearance |
375 mm |
Rear suspension |
WP XACT Monoshock with linkage |
Seat height |
950 mm |
Steering head angle |
63.9° |
Suspension travel (front) |
310 mm |
Suspension travel (rear) |
300 mm |
Rate it