Comparison of Jawa 90 1970 and Yamaha RS 100 1980 [S]ave
| Attribute |  Yamaha RS 100 1980 × |  Jawa 90 1970 × |
|---|---|---|
| General | ||
| Production from (year) | 1980 | 1970 |
| Make | Yamaha | Jawa |
| Model | Yamaha RS 100 | Jawa 90 |
| Category | Classic | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 97 | 89 |
| Power (kw) | 7.3 | 6.9 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 52 | 48 |
| Stroke (mm) | 45.6 | 49 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Membrane | Port control |
| Compression | 7.0:1 | 8.5:1 |
| Chassis | ||
| Front brakes | Single disc | Expanding brake |
| Rear brakes | Expanding brake | Expanding brake |
| Front tyre | 2.75-18 | 2.50-18 |
| Rear tyre | 3.00-18 | 2.75-18 |
| Dimensions | ||
| Kerb weight (kg) | 106 | 90 |
| Performance | ||
| Top speed (km/h) | 105 | 95 |
| Fuel capacity (l) | 9 | 10.5 |
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