Motorcycle Segment:
Sport Touring
Target Audience:
Riders seeking a comfortable yet performance-oriented motorcycle for long-distance touring and spirited riding.
Key Competitors:
BMW R1200ST, Honda VFR800 VTEC, Yamaha FJR1300, Kawasaki GTR1400 (during its era)
Engine Configuration:
Desmodromic L-Twin engine
Chassis Design:
Steel trellis frame, optimized for stability and handling
Braking System:
Equipped with ABS for enhanced safety
Suspension:
Premium adjustable front and rear suspension components
Primary Use Case:
Identifying and sourcing correct replacement parts for maintenance, repair, or upgrades.
Value Proposition:
Essential reference for Ducati owners and technicians to ensure the use of genuine or compatible parts, maintaining the integrity and performance of the motorcycle.
Primary Coverage:
All components and parts of the Ducati ST3 S ABS motorcycle
Secondary Coverage:
Part identification, assembly diagrams, part numbers, interchangeability
Estimated Page Count:
Approx. 200-300 pages (typical for this type of manual, exact count not provided)
Manual Type:
Parts Catalog / Parts Manual
Languages Included:
English, German, Italian, Spanish, French
Engine Systems:
Engine block, cylinder heads, pistons, crankshaft, camshafts, valve train, timing belts, oil pump, cooling system components, fuel injection components (injectors, throttle bodies, fuel pump), exhaust system components
Transmission Drivetrain:
Gearbox internals (gears, shafts, bearings), clutch assembly (plates, springs, actuator), final drive (sprocket, chain, chain adjusters)
Chassis Frame:
Frame sections, subframe, swingarm, linkage mechanisms, steering head assembly
Suspension Systems:
Front fork internals (springs, dampers, seals), rear shock absorber assembly, fork sliders, triple clamps
Braking Systems:
Front and rear brake calipers, master cylinders, brake lines, brake discs, ABS system components (modulator, sensors)
Electrical Systems:
Wiring harnesses, ECU, battery, starter motor, alternator, ignition system components, lighting (headlight, taillight, indicators), instrumentation, sensors (ABS, speed, engine position)
Fuel System:
Fuel tank, fuel pump, fuel lines, injectors, fuel pressure regulator
Bodywork Fairings:
Fairing panels, seat, handlebars, footpegs, mirrors, tank cover, tail section components
Assembly Disassembly Diagrams:
Detailed exploded view diagrams for all major assemblies
Part Identification:
Clear identification of each part with corresponding part numbers
Part Number Lookup:
Facilitates ordering correct replacement parts
Interchangeability Information:
Potential information on parts that can be substituted (less common in basic parts catalogs, but possible)
Technical Depth:
Component-level part identification and visualization; does not include repair procedures or torque specifications.
Engine Type:
Desmodromic L-Twin, four-stroke
Bore X Stroke:
98 mm x 66 mm
Valvetrain:
4 valves per cylinder, Desmodromic actuation
Cooling System:
Liquid-cooled
Horsepower:
Approx. 117 hp (87 kW) @ 9,750 rpm
Torque:
Approx. 98 Nm (72 lb-ft) @ 7,750 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI), Marelli system
Fuel Type:
Unleaded gasoline, minimum 95 RON
Oil Type:
See Owner's Manual for specific Ducati recommendations (typically JASO MA certified, 10W-40 or 15W-50 semi-synthetic/synthetic)
Oil Capacity:
Approx. 3.8 liters (4.0 US qt) with filter change
Ignition Type:
Digital electronic ignition with variable ignition timing
Length:
Approx. 2160 mm (85.0 in)
Width:
Approx. 750 mm (29.5 in) (at handlebars)
Height:
Approx. 1240 mm (48.8 in) (at screen)
Wheelbase:
Approx. 1445 mm (56.9 in)
Dry Weight:
Approx. 196 kg (432 lbs)
Wet Weight:
Approx. 217 kg (478 lbs) (with all fluids)
Max Load:
Approx. 200 kg (440 lbs) (rider, passenger, luggage)
Fuel Tank Capacity:
20 liters (5.3 US gal)
Instrumentation:
Digital/analog combination dashboard with LCD display (speedometer, tachometer, odometer, trip meters, fuel gauge, engine temp, clock)
ABS System Operation:
Provides anti-lock braking to prevent wheel lock-up under heavy braking.
Diagnostic Port:
Standard Ducati diagnostic connector for engine management and ABS system diagnostics
Oil Change Interval:
Every 12,000 km (7,500 miles) or 12 months, whichever comes first (refer to manual for specifics)
Desmo Service Interval:
Every 24,000 km (15,000 miles) for valve clearance check and adjustment (critical for desmodromic engines)
Timing Belt Replacement:
Every 24,000 km (15,000 miles) or 24 months, whichever comes first (crucial for preventing engine damage)
Coolant Type:
Ethylene glycol based coolant with anticorrosion additives (see manual for exact mixture ratio)
Brake Fluid Type:
DOT 4, DOT 5.1 (refer to manual for ABS specific recommendations)
Fork Oil Type:
Refer to workshop manual for specific viscosity (e.g., 7.5W or 10W)
Desmo Service Importance:
Missed desmo service can lead to valve timing issues, poor performance, and potential engine damage.
Timing Belt Wear:
Belts can degrade over time; regular replacement is critical for engine integrity.
Electrical Connections:
Corrosion or loose connections in wiring harnesses can lead to intermittent faults.
Fuel Pump Reliability:
Some early models may experience fuel pump issues; regular checks are advised.
Air Filter Part Number:
Genuine Ducati Part Number (e.g., 426.1.044.1A or equivalent aftermarket)
Oil Filter Part Number:
Genuine Ducati Part Number (e.g., 444.1.006.1A or equivalent aftermarket like HF152)
Brand Origin:
Italy, founded in 1926
Brand Specialty:
Performance motorcycles, iconic L-twin engines, desmodromic valve actuation, racing heritage
Predecessor:
Ducati ST2, ST4, ST4S
Successor:
Ducati Multistrada 1200 (in spirit, as a sport touring option)
St3 Development:
Introduced as a more affordable and accessible sport-touring option compared to the ST4S, featuring the 999cc Testastretta engine.
Production Period:
2004 - 2007
Manufacturing Location:
Bologna, Italy
Motorcycle Journal Reviews:
Generally praised for its engine character, handling balance, and long-distance comfort, though often noted as a niche offering.
Reliability Perception:
Ducati's reliability improved significantly in this era, but adherence to the strict desmo service schedule is paramount.
Emissions Standards:
Compliant with Euro 3 emissions standards for its model years.