Comparison of Honda CB 100 1971 and Yamaha RS 100 1981 [S]ave
| Attribute |  Honda CB 100 1971 × |  Yamaha RS 100 1981 × |
|---|---|---|
| General | ||
| Production from (year) | 1971 | 1981 |
| Make | Honda | Yamaha |
| Model | Honda CB 100 | Yamaha RS 100 |
| Category | Classic | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 2 | - |
| Displacement (cm³) | 99 | 97 |
| Power (kw) | 8.4 | 7.3 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 50.5 | 52 |
| Stroke (mm) | 49.5 | 45.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Overhead Cams (OHC) | Membrane |
| Compression | 9.5:1 | 7.0:1 |
| Chassis | ||
| Front brakes | Expanding brake | Single disc |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 2.50-18 | 2.75-18 |
| Rear tyre | 2.75-18 | 3.00-18 |
| Dimensions | ||
| Kerb weight (kg) | 92 | 106 |
| Performance | ||
| Top speed (km/h) | 110 | 105 |
| Fuel capacity (l) | 10 | 9 |
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