Comparison of KTM 50 SX 2021 and KTM 50 SX Factory [S]ave
| Attribute |  KTM 50 SX 2021 × |  KTM 50 SX Factory × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2021 |
| Make | KTM | KTM |
| Model | KTM 50 SX | KTM 50 SX Factory |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 124.8 | 124.8 |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39.5 | 39.5 |
| Stroke (mm) | 40 | 40 |
| Gearbox | Automatic | Automatic |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | - | Seletra 2p D36 EMS |
| Clutch | Centrifugal | Centrifugal |
| Exhaust system | - | FMF silencer |
| Chassis | ||
| Front suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Rear suspension | XACT WP mono shock | XACT WP mono shock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 160 | 160 |
| Frame type | 25CrMo4 steel central-tube frame | Central-tube frame with double-cradle |
| Wheels | - | Dunlop Geomax MX 53 tires |
| Front wheel travel (mm) | 205 | 205 |
| Rear wheel travel (mm) | 180 | 185 |
| Rake (fork angle) (degree) | 24 | 24 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
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| Dimensions | ||
| Dry weight (kg) | 41 | 41 |
| Seat height (mm) | 684 | 665 |
| Ground clearance (mm) | 252 | 252 |
| Performance | ||
| Fuel capacity (l) | 2.3 | 2.3 |
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