| Attribute | Harley-Davidson SX 250 1977 × | Harley-Davidson SX 250 1976 × |
|---|---|---|
| General | ||
| Production from (year) | 1977 | 1976 |
| Make | Harley-Davidson | Harley-Davidson |
| Model | Harley-Davidson SX 250 | Harley-Davidson SX 250 |
| Category | Cross / motocross | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 243 | 243 |
| Power (kw) | 14.6 | 14.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 72 | 72 |
| Stroke (mm) | 59.6 | 59.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Port control | Port control |
| Compression | 10.3:1 | 10.3:1 |
| Chassis | ||
| Front brakes | Expanding brake | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 3.25-19 | 3.25-19 |
| Rear tyre | 4.00-18 | 4.00-18 |
| Dimensions | ||
| Kerb weight (kg) | 125 | 125 |
| Performance | ||
| Top speed (km/h) | 115 | 115 |
| Fuel capacity (l) | 10.5 | 10.5 |