2003Ducati ST4S

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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.

Capacity: 996.0 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Wet weight: 212.0 kg
Seat height: 820 mm
Power: 117.0 HP (86.1 kW) @ 8750 RPM

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What’s new for the 2003 Ducati ST4S

vs the 2002

Spec	2002	2003
Front brakes	Dual disc	Double disc

Other years 2001 2002 2003 2004 2005

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering82%

City riding55%

Daily riding65%

Touring88%

Two-up78%

Track55%

Best for: Built for covering serious distance at a spirited pace, blending Ducati sportbike DNA with real-world comfort for two-up travel.
Built for: A charismatic, desmodromic V-twin sport-tourer that rewards confident riding with strong midrange punch and precise handling.
Not ideal for: Not ideal for total beginners, off-road use, or riders wanting a plush, soft-suspension long-haul cruiser.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 820mm, a rider of 68.9" with a 31" (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.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine

Capacity: 996.0 ccm
Power: 117.0 HP (86.1 kW) @ 8750 RPM
Torque: 98.0 Nm (10.0 kgf-m)
Engine type: V-Twin, four-stroke
Power/weight ratio: 0.5519 HP/kg (wet)
Bore x stroke: 98.0 x 66.0 mm
Compression: 11.5:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multiplate with hydraulic control

Dimensions & weight

Wheelbase: 1430 mm
Overall length: 2070 mm
Overall height: 1180 mm
Seat height: 820 mm
Wet weight: 212.0 kg
Fuel capacity: 21.00 litres
Reserve fuel capacity: 6.00 litres
Dry weight: Not on record - add it

Chassis & suspension

Frame: Tubular steel trellis
Front suspension: Showa 43 mm adjustable preload upside-down fork with Tin
Rear suspension: Progressive linkage with fully adjustable Ohlins monoshock with remote control preload adjustable. Aluminium swingarm.
Front wheel travel: 130 mm
Rear wheel travel: 148 mm
Rake (fork angle): 24.0°