Comparison of Kawasaki Z 1100 ST 1981 and Yamaha XS 1100 S 1981 [S]ave
| Attribute |  Yamaha XS 1100 S 1981 × |  Kawasaki Z 1100 ST 1981 × |
|---|---|---|
| General | ||
| Production from (year) | 1981 | 1981 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha XS 1100 S | Kawasaki Z 1100 ST |
| Category | Touring | Sport touring |
| Engine and transmission | ||
| Engine type | In-line four, four-stroke | In-line four, four-stroke |
| Valves per cylinder | 2 | 2 |
| Displacement (cm³) | 1,101 | 1,089 |
| Power (kw) | 69.3 | 70.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 71.5 | 72.5 |
| Stroke (mm) | 68.6 | 66 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Compression | 9.2:1 | 8.9:1 |
| Chassis | ||
| Front brakes | Dual disc | Dual disc |
| Rear brakes | Single disc | Single disc |
| Front tyre | 3.50-19 | 3.50-19 |
| Rear tyre | 4.50-17 | 130/90-16 |
| Dimensions | ||
| Kerb weight (kg) | 276 | 271 |
| Performance | ||
| Top speed (km/h) | 217 | 212 |
| Fuel capacity (l) | 24 | 18 |
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