| Attribute | Yamaha LB 3 bop 80 1979 × | Honda ST 70 DAX 1978 × |
|---|---|---|
| General | ||
| Production from (year) | 1979 | 1978 |
| Make | Yamaha | Honda |
| Model | Yamaha LB 3 bop 80 | Honda ST 70 DAX |
| Category | Scooter | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Displacement (cm³) | 73 | 72 |
| Power (kw) | 3.6 | 3.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 47 | 47 |
| Stroke (mm) | 42 | 41.4 |
| Gearbox | 3-speed | 3-speed |
| Fuel control | Membrane | Overhead Cams (OHC) |
| Compression | 5.8:1 | 8.8:1 |
| Chassis | ||
| Front brakes | Expanding brake | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 4.00-10 | 3.50-10 |
| Rear tyre | 4.00-10 | 3.50-10 |
| Dimensions | ||
| Kerb weight (kg) | 82 | 75 |
| Performance | ||
| Top speed (km/h) | 65 | 75 |
| Fuel capacity (l) | 3.5 | 2.5 |