DUCATI ST4
| Production Year: | 2003, 2004 |  |
| Type: | Liquid cooled, four stroke, 90 degrees L-twin cylinder, DOHC, Desmodromic 4 valve per cylinder |
| engine specs | |
| Type | Liquid cooled, four stroke, 90 degrees L-twin cylinder, DOHC, Desmodromic 4 valve per cylinder |
| Displacement | 916 cm3 |
| Bore X Stroke | 3.70x2.59 in OR 94 mm |
| Compression Ratio | 11.0:1 |
| Horsepower | 105/9000 KW(hp)/RPM |
| Torque | 65.6/7500 lb-ft/RPM OR 89/7500 Nm/RPM |
| Fuel System | Marelli electronic fuel injection |
| transmission specs | |
| Gearbox | 6-speed |
| Final Drive | Chain |
| chassis specs | |
| Front Suspension | Showa 43mm upside-down fully adjustable fork |
| Rear Suspension | Progressive Linkage With Fully adjustable Sachs monoshock with piggy back aluminum swing arm |
| Front Brake | 2x320mm discs 4 piston calipers |
| Rear Brake | Single 245mm disc 2 piston caliper |
| dimension specs | |
| Seat Height | 32.3 in OR 820 mm |
| Weight | 474 lbs OR 215 kg |
| Fuel Capacity | 5.5 gallons OR 20.8 L |
| Wheelbase | 56.3 in OR 1430 mm |
| tyres specs | |
| Front | 120/70-ZR17 |
| Rear | 180/55-ZR17 |
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