2027 KTM 125 SX
$8,449

| Price, class & resources | |
|---|---|
| MSRP | $8,449 |
| Class | Motocross |
| Website | website |
| Reviews | Dirt Rider • Dirt Rider |
| Manual | |
| Engine | |
| Type | Single-cylinder, liquid-cooled, 2-stroke |
| Displacement | 125 cc |
| Bore × Stroke | 54 × 54.5 mm |
| Compression | — |
| Power | 33 hp |
| Torque | — |
| Fuel system | TBI (Throttle Body Injection), 39mm Keihin |
| Transmission | 6-speed |
| Clutch | hydraulic |
| Final drive | Chain |
| Oil change | 15 hrs |
| Oil injected | No (premix) |
| Chassis | |
| Frame | Chromoly steel central double-cradle |
| Front suspension | 48mm WP XACT air fork (AER), fully adjustable |
| Front travel | 12.2" |
| Rear suspension | WP XACT shock with linkage, fully adjustable |
| Rear travel | 11.8" |
| Front brake | Single 260mm Brembo disc |
| Rear brake | Single 220mm Brembo disc |
| Front tire | 80/100-21 (21") |
| Rear tire | 100/90-19 (19") |
| Dimensions | |
| Wheelbase | 58.3" |
| Seat height | 37.8" |
| Ground clearance | 14.1" |
| Fuel capacity | 1.9 gal |
| Wet weight | 214 lb |



Reviews
- 2024 KTM 125 SX First Ride Review (Dirt Rider)
- 2023 KTM 125 SX, 250 SX, and 300 SX First Ride Review (Dirt Rider)