Comparison of Ducati ST4 1999 and Yamaha TRX 850 1999 [S]ave
| Attribute |  Ducati ST4 1999 × |  Yamaha TRX 850 1999 × |
|---|---|---|
| General | ||
| Production from (year) | 1999 | 1999 |
| Make | Ducati | Yamaha |
| Model | Ducati ST4 | Yamaha TRX 850 |
| Category | Sport touring | Naked bike |
| Engine and transmission | ||
| Engine type | V2, four-stroke | Twin, four-stroke |
| Valves per cylinder | 4 | 5 |
| Fuel system | Injection | - |
| Displacement (cm³) | 916 | 849 |
| Power (kw) | 76.6 | 60.6 |
| Fuel consumption (l/100km) | 0.59 | 0.58 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 83 | 87 |
| Bore (mm) | 94 | 89.5 |
| Stroke (mm) | 66 | 67.5 |
| Gearbox | 6-speed | 5-speed |
| Greenhouse gases | 13.7 CO2 g/km. (CO2 - Carbon dioxide emission) | 13.5 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Compression | 11.0:1 | 10.5:1 |
| Chassis | ||
| Front brakes | Dual disc | Dual disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 245 |
| Front tyre | 120/70-ZR17 | 120/60-ZR17 |
| Rear tyre | 170/60-ZR17 | 160/60-ZR17 |
| Front wheel travel (mm) | 130 | 120 |
| Rear wheel travel (mm) | 148 | 130 |
| Other | ||
| Starter | Electric | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,430 | 1,435 |
| Kerb weight (kg) | 236.5 | 209 |
| Seat height (mm) | 820 | 800 |
| Front percentage of weight | 49.9 | 48.4 |
| Performance | ||
| Top speed (km/h) | 243 | 218 |
| Acceleration 0-100 km/h (s) | 3.2 | 3.7 |
| Fuel capacity (l) | 21 | 18 |
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