Comparison of Kawasaki KM 100 1981 and Yamaha RS 100 DX 1977 [S]ave
| Attribute |  Yamaha RS 100 DX 1977 × |  Kawasaki KM 100 1981 × |
|---|---|---|
| General | ||
| Production from (year) | 1977 | 1981 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha RS 100 DX | Kawasaki KM 100 |
| Category | Enduro / offroad | Classic |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 97 | 100 |
| Power (kw) | 7.7 | 6.4 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 52 | 49.5 |
| Stroke (mm) | 45.6 | 51.8 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Membrane | Rotary valves |
| Compression | 6.8:1 | 7.3:1 |
| Chassis | ||
| Front brakes | Expanding brake | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 2.50-18 | 2.50-16 |
| Rear tyre | 2.75-18 | 3.00-14 |
| Dimensions | ||
| Kerb weight (kg) | 93 | 89 |
| Performance | ||
| Top speed (km/h) | 104 | 86 |
| Fuel capacity (l) | 9 | 6 |
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