22 June. Monday 2026
KTM 125 SX - 2024 Specifications and Reviews
The 2024 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive off-road racing. Known for its nimble handling, responsive 15 HP engine, and proven reliability, it excels in technical terrain and serves as an ideal stepping stone in motocross progression. Its liquid-cooled single-cylinder design and modern fuel injection deliver consistent performance across varied conditions.
General information | |
| Category | Enduro / offroad |
| Model year | 2024 |
| Motorcycle name | KTM 125 SX |
| | |
Engine and Transmission Specifications | |
| Driveline | 520, Non-sealed chain |
| Clutch | Wet multi-disc DS clutch, Brembo hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | Vitesco Technologies EMS |
| Fuel system | Injection. EFI |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Power output | 15.0 HP (10.9 kW)) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 124.8 ccm (7.62 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tire | 2.15-19 |
| Front tire | 1.6-21 |
| Rear wheel travel | 300 mm (11.8 inches) |
| Rear suspension | WP XACT Monoshock with linkage |
| Front wheel travel | 310 mm (12.2 inches) |
| Front suspension | WP XACT-USD, Ø 48 mm |
| Rake (fork angle) | 26.1° |
| Frame type | Central double-cradle-type 25CrMo4 steel |
Physical measures and capacities | |
| Fuel capacity | 7.20 litres (1.90 US gallons) |
| Ground clearance | 359 mm (14.1 inches) |
| Seat height | 958 mm (37.7 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1623 HP/kg |
| Dry weight | 92.4 kg (203.7 pounds) |
Other specs | |
| Starter | Electric |
| Color options | White/orange/grey/purple |
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