Ducati Monster S4 - 2003 Specifications and Reviews
The 2003 Ducati Monster S4 is a middleweight naked bike that combines aggressive styling with accessible performance, making it ideal for riders seeking character and handling over raw power. Its 916cc desmodromic V-twin engine delivers 101 horsepower with strong mid-range torque, while the compact chassis and responsive dynamics define its reputation as an engaging, easily manageable street bike. Known for blending Italian design heritage with practical everyday usability, the S4 remains a favorite among enthusiasts and commuters alike.
2003
General information | |
| Category | Naked bike |
| Year | 2003 |
| Model | Ducati Monster S4 |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Desmodromic valve control |
| Fuel system | Injection |
| Valves per cylinder | 4 |
| Bore x stroke | 94.0 x 66.0 mm (3.7 x 2.6 inches) |
| Compression | 11.0:1 |
| Torque | 92.00 Nm (9.4 kgf-m or 67.9 ft.lbs) @ 7000 |
| Power | 101.00 |
| Engine type | V2, four-stroke |
| Capacity: | 916.00 ccm (55.89 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc |
| Rear tyre dimensions | 180/55-ZR17 |
| Front tyre dimensions | 120/70-ZR17 |
| Rear suspension travel | 148 mm (5.8 inches) |
| Front suspension travel | 130 mm (5.1 inches) |
Physical measures and capacities | |
| Reserve fuel capacity | 3.50 litres (0.92 gallons) |
| Fuel capacity | 15.00 litres (3.96 gallons) |
| Wheelbase | 1,440 mm (56.7 inches) |
| Overall length | 2,108 mm (83.0 inches) |
| Overall height | 800 mm (31.5 inches) |
| Seat height | 803 mm (31.6 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.5233 HP/kg |
| Dry weight | 193.0 kg (425.5 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
101 hp
Peak Power
3.3s
0-60 mph
Best For
Track65%
City70%
Cornering85%
Daily Riding60%
Touring40%
Passenger45%
Rider Profile
| Best For | Best suited to intermediate and experienced riders who can manage a torquey, desmodromic V-twin with sharp throttle response and no electronic rider aids. |
| Purpose | Built for spirited backroad carving and weekend sport-naked riding rather than commuting or long-distance touring. |
| Rider Fit | A fairly light, compact naked bike with a tall-ish seat and minimal wind protection, demanding some upper body effort at speed but easy to muscle around town. |
| Character | A raw, characterful Italian street brawler with a growly Testastretta-derived V2 engine, strong midrange torque, and taut sport-oriented chassis manners. |
| Not Ideal For | Not a good fit for beginners seeking a forgiving first bike or for riders wanting long-haul comfort, wind protection, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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