S4

2002 Ducati S4 Technical Analysis & Specification Breakdown

Built around Ducati's naked motorcycle platform, the 2002 Ducati S4 features a 916 cc (55.9 cu in) liquid-cooled v2, four-stroke configuration. In factory specification, peak output is rated at 101 HP (73.7 kW) at 8,750 rpm while maximum torque reaches 92 Nm (67.9 lb-ft) at 7,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 110.3 HP per liter and a 1,750 rpm working window between peak torque (7,000 rpm) and peak power (8,750 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the S4 measures 193 kg (425 lbs) dry, translating to a power-to-weight ratio of 0.52 HP/kg (1.91 kg per horsepower). Rider ergonomics and chassis geometry center around a 803 mm (31.6 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,440 mm (56.7 in) wheelbase engineered for balanced agility and highway composure. The 15-liter (4 US gal) fuel tank supports practical everyday commuting and weekend road stints.