Ducati ST4S Specs (Top Speed | Horsepower | Weight)

The Ducati ST4S motorcycle specifications include a 996 cc (60.78 cu in) engine, power of 117 hp (85.4 kW) @ 8,750 rpm, a 6-speed gearbox, and a listed weight of 212 kg (467.4 lb).

Key specifications

2003Year released
996 ccDisplacement
117 hpPower
98.0 Nm @ 7,000 rpmTorque
212 kgDry weight
820 mmSeat height
21 LFuel tank
1,430 mmWheelbase

How the Ducati ST4S compares

This compares the motorcycle with all Ducati models in this specifications database. The blue marker is this model and the grey line is the Ducati database average.

Engine power117 hp
Low 18 hpAverage 104.9 hpHigh 214.2 hp

About 11% higher than the Ducati database average. Around the 67th percentile across Ducati models.

Displacement996 cc
Low 204 ccAverage 876 ccHigh 1,262 cc

About 14% higher than the Ducati database average. Around the 68th percentile across Ducati models.

Seat height820 mm
Low 755 mmAverage 808 mmHigh 875 mm

Very close to the Ducati database average. Around the 63rd percentile across Ducati models.

Fuel capacity21 L
Low 12.4 LAverage 16.6 LHigh 22 L

About 26% larger than the Ducati database average. Around the 96th percentile across Ducati models.

This model Ducati database average

Ducati database percentile rankings

Percentiles show where this motorcycle sits across the Ducati specifications database. They are descriptive database rankings, not performance ratings.

Engine power67th

117 hp — more powerful than about 67% of Ducati models with power data.

Displacement68th

996 cc — larger displacement than about 68% of Ducati models.

Seat height63rd

820 mm — taller than about 63% of Ducati models.

Fuel capacity96th

21 L — larger than about 96% of Ducati fuel tanks in this database.

Dimensions compared with Ducati average

Each measurement is compared with the average value across Ducati models where that dimension is available.

Overall length2,070 mm
This bike

2,070

Ducati avg

2,131

Close to average.

Overall height1,180 mm
This bike

1,180

Ducati avg

1,124

5% above average.

Wheelbase1,430 mm
This bike

1,430

Ducati avg

1,474

Close to average.

Seat height820 mm
This bike

820

Ducati avg

808

Close to average.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 996 cc • Liquid cooled • 117 hp
Chassis snapshot

Wheelbase 1,430 mmSeat 820 mm
6-speed • Chain (final drive) • 120/70-ZR17 front / 180/55-ZR17 rear

Additional useful specifications

Front tire size 120/70-ZR17
Rear tire size 180/55-ZR17
Power-to-weight ratio 0.552 hp/kg
Power-to-weight 551.9 hp/tonne
Specific power 117.5 hp/L
Bore/stroke ratio 1.48:1 (Oversquare)

Model information

Year released 2003

Engine specifications

Engine type V2, four-stroke
Displacement 996 cc (60.78 cu in)
Power 117 hp (85.4 kW) @ 8,750 rpm
Torque 98.0 Nm (10.0 kgf-m or 72.3 ft.lbs) @ 7,000 rpm
Bore × stroke 98.0 x 66 mm (3.9 x 2.6 inches)
Compression ratio 11.5:1
Valves per cylinder 4
Cooling system Liquid
Fuel system Injection
Fuel control Desmodromic valve control

Transmission and drivetrain

Gearbox 6-speed
Final drive Chain (final drive)

Chassis and suspension

Front wheel travel 130 mm (5.1 inches)
Rear wheel travel 148 mm (5.8 inches)

Brakes, wheels and tires

Front brakes Double disc
Rear brakes Single disc
Front tire 120/70-ZR17
Rear tire 180/55-ZR17

Dimensions and weight

Dry weight 212 kg (467.4 lb)
Seat height 820 mm (32.3 inches)
Overall length 2,070 mm (81.5 inches)
Overall height 1,180 mm (46.5 inches)
Wheelbase 1,430 mm (56.3 inches)

Fuel and emissions

Fuel capacity 21.00 L (5.55 US gal)
Reserve fuel capacity 6.00 L (1.59 US gal)

Performance

Power/weight ratio 0.5519 hp/kg

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Ducati models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Ducati information before relying on them. Visit the official Ducati website.