| Attribute | Honda ST 70 DAX 1980 × | Yamaha LB 3 bop 80 1979 × |
|---|---|---|
| General | ||
| Production from (year) | 1980 | 1979 |
| Make | Honda | Yamaha |
| Model | Honda ST 70 DAX | Yamaha LB 3 bop 80 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 2 | - |
| Displacement (cm³) | 72 | 73 |
| Power (kw) | 3.8 | 3.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 47 | 47 |
| Stroke (mm) | 41.4 | 42 |
| Gearbox | 3-speed | 3-speed |
| Fuel control | Overhead Cams (OHC) | Membrane |
| Compression | 8.8:1 | 5.8:1 |
| Chassis | ||
| Front brakes | Expanding brake | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 3.50-10 | 4.00-10 |
| Rear tyre | 3.50-10 | 4.00-10 |
| Dimensions | ||
| Kerb weight (kg) | 75 | 82 |
| Performance | ||
| Top speed (km/h) | 75 | 65 |
| Fuel capacity (l) | 2.5 | 3.5 |