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Catalogue. Community. Map.
Ducati ST4 
2003
Water cooled, 916cc, 90° V-twin, SOHC
| Power: | 104.69 HP (77 kW) @ 8500 rpm |
| Torque: | 89 Nm (65.64 lb-ft) @ 7500 rpm |
| Final drive: | Chain |
| Top speed: | 149.13 mph |
| Curb weight: | 513.7 lbs |
| Tags: | Torque Sports |
|
Engine and transmission
|
|
| Engine type: | 2 cylinders, 4-stroke, 90° V-twin |
| Displacement: | 916 cc (55.97 cubic inches) |
| Bore × stroke: | 3.7 inch × 2.6 inch (oversquare - shortstroke) |
| Cooling system: | Water cooled |
| Power: | 104.69 HP (77 kW) @ 8500 rpm |
| Torque: | 89 Nm (65.64 lb-ft) @ 7500 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | SOHC, variable |
| Valves per cylinder: | 4 |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Fuel injection |
| Ignition type: | Digital CDI |
| Compression: | 11:1 |
| Engine mounting: | Transverse |
| Lubrication system: | Wet sump |
| Gear box: | Manual 6-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Spark plug pipe type: | Champion, RA59GL |
| Motor oil: | Synthetic, 20W/50 |
| Starter: | Electric |
|
Dimensions
|
|
| Physical measures | |
| Length: | 81.5 inch |
| Height: | 46.5 inch |
| Wheel base: | 56.3 inch |
| Seat height: | 32.3 inch |
| Weight | |
| Curb weight: | 513.7 lbs |
| Dry weight: | 445.3 lbs |
|
Chassis and suspension
|
|
| Frame type: | steel, Trellis frame |
| Front | |
| Suspension: | Cartridge - upside-down |
| Suspension travel: | 5.12 inch |
| Fork angle: | 24° |
| Brake: | Twin Disk, Ø12.6 inch |
| Tire: | 120 / 70 R17 ZR |
| Tire pressure: | 0.14 PSI, with pillion: 0.17 PSI withpilion |
| Rear | |
| Suspension: | mono shock, Swingarm |
| Suspension travel: | 5.83 inch |
| Brake: | Disk, Ø9.65 inch |
| Tire: | 180 / 55 R17 ZR |
| Tire pressure: | 0.16 PSI, with pillion: 0.19 PSI withpilion |
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Other
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|
| ABS available: | No |
| Power-to-weight ratio: | 0.33 KW/lbs (3.03 lbs/HP) |
| Top speed: | 149.13 mph |
| Fuel capacity: | 5.55 gals |
| Number of riders: | 2 persons |
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