Ducati ST4S - 2003 Specifications and Reviews

The 2003 Ducati ST4S is a sport-touring motorcycle designed for riders seeking aggressive performance with practical everyday usability. Its 996cc V-twin engine delivers 117 horsepower with responsive handling, making it ideal for spirited road riding and weekend adventures. The ST4S is renowned for balancing Ducati's racing heritage with comfortable ergonomics and reliability for discerning sport-tour enthusiasts.

2003
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General information

CategorySport touring
Year2003
ModelDucati ST4S

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlDesmodromic valve control
Valves per cylinder4
Fuel systemInjection
Bore x stroke98.0 x 66.0 mm (3.9 x 2.6 inches)
Compression11.5:1
Torque98.00
Power117.00
Stroke4
Engine typeV2
Capacity:996.00 ccm (60.78 cubic inches)

Physical measures and capacities

Wheelbase1,430 mm (56.3 inches)
Overall length2,070 mm (81.5 inches)
Overall height1,180 mm (46.5 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
Dry weight212.0 kg (467.4 pounds)
 
 

Ducati ST4S dimensions and frame

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc
Front brakes diameter320 mm (12.6 inches)
Front brakesDouble disc
Rear tyre dimensions180/55-ZR17
Front tyre dimensions120/70-ZR17
Rear suspension travel148 mm (5.8 inches)
Front suspension travel130 mm (5.1 inches)

Speed and acceleration

Power/weight ratio0.5519 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Reserve fuel capacity6.00 litres (1.59 gallons)
Fuel capacity21.00 litres (5.55 gallons)

Performance Profile & Rider Fit

117 hp
Peak Power
3.4s
0-60 mph

Best For

Track55%
City55%
Cornering82%
Daily Riding65%
Touring88%
Passenger78%

Rider Profile

Best ForBest suited to intermediate and experienced riders who are comfortable with a torquey, high-compression V-twin and a firm, sporty chassis.
PurposeBuilt for covering serious distance at a spirited pace, blending Ducati sportbike DNA with real-world comfort for two-up travel.
Rider FitA moderate seat height and reasonably upright but sporty riding position suit average-to-taller riders, with manageable weight for a liquid-cooled V-twin sport tourer.
CharacterA charismatic, desmodromic V-twin sport-tourer that rewards confident riding with strong midrange punch and precise handling.
Not Ideal ForNot ideal for total beginners, off-road use, or riders wanting a plush, soft-suspension long-haul cruiser.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2003 Ducati ST4S Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2003 Ducati ST4S, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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