Technical SpecificationsDucati ST4S (2005)
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Battery Gear ratios | Liquid-cooled, l-twin, 4-stroke, Desmodromic 98.0 x 66.0 mm 996 cc 4 valves per cylinder 11.5:1 121 hp (90.2 kW) @ 8750 rpm 103 Nm (76 ft. lbs) @ 7000 rpm Marelli electronic fuel injection, 50 mm throttle body 6-speed Chain Dry multiplate with hydraulic control Electric starter 2 aluminium mufflers with catalytic converter 1st 37/15 2nd 30/17 3rd 27/20 4th 24/22 5th 23/24 6th 24/28 |
| Dimensions Frame type Rake Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Tubular steel trellis 24.3 degrees 1430 mm (56.3 inches) 820 mm (32.3 inches) 201 kg 21 litres Showa 43 mm upside-down fully adjustable fork with TiN surface treatment, 130 mm travel Progressive linkage with fully adjustable ?hlins monoshock with remote control preload adjustament. Aluminium swingarm, 148 mm travel 120/70-R17 180/55-R17 Single disc 320 mm with 4-piston calipers Single disc 245 mm with 2-piston calipers |
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