Segment:
Sport Touring Motorcycle
Target Audience:
Ducati ST3, ST3S, ST3S-ABS owners and independent workshops specializing in Ducati motorcycles.
Key Competitors Circa 2004-2007:
BMW R1200ST, Honda VFR800, Yamaha FJR1300, Kawasaki GTR1400 (Concours 14).
Manual Value Proposition:
Provides definitive and accurate part numbers for maintaining and restoring the Ducati ST3 series, crucial for VIN-specific parts identification and ensuring the use of genuine Ducati components.
Vehicle Unique Selling Points:
Combines Ducati's sporty heritage with long-distance comfort, featuring the L-twin engine, Desmodromic valve system, and advanced chassis dynamics.
Engine Components:
Cylinder heads, pistons, crankshaft, connecting rods, valve train (Desmodromic system), oil pump, cooling system (oil), fuel injection components.
Transmission Components:
Gearbox internals, clutch assembly (dry clutch), shift drum and forks, final drive sprocket and chain.
Chassis Components:
Frame, subframe, swingarm, rear shock absorber linkage and unit, front forks, triple clamps, steering head bearings.
Braking System Components:
Front and rear brake calipers (Brembo likely), master cylinders, brake lines, discs, ABS components (for ST3S-ABS variant).
Electrical System Components:
Wiring harnesses, battery, starter motor, alternator, ignition system components, ECU, lighting (headlights, taillights, turn signals), instrument cluster.
Fuel System Components:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator.
Exhaust System Components:
Exhaust headers, catalytic converter (if applicable), mufflers, mounting hardware.
Bodywork And Trim:
Fairings, side panels, seat, fuel tank cover, windshield, mirrors, mudguards, luggage system components (if factory fitted).
Wheels And Tires:
Front and rear wheels, wheel bearings, valve stems, tire specifications.
Part Identification:
Complete listing of all genuine Ducati parts with corresponding part numbers, quantities, and diagrams.
Assembly And Disassembly:
Visual exploded views facilitating part identification for assembly and disassembly processes.
Component Lookup:
Facilitates accurate ordering of replacement parts.
Depth Of Coverage:
Comprehensive parts identification for all factory-supplied components across the specified model years and variants (ST3, ST3S, ST3S-ABS).
Diagnostic Support:
While not a diagnostic manual, correct part identification is crucial for troubleshooting and repair.
Repair Guidance:
Provides essential part information for mechanics and owners performing repairs.
Engine Type:
Air-cooled, Desmodromic, L-Twin cylinder (90°)
Displacement:
992 cc (for ST3)
Bore X Stroke:
94 mm x 71.5 mm (typical for DS1000)
Horsepower Est:
Approx. 107 hp @ 8750 rpm (ST3)
Torque Est:
Approx. 93 Nm (68.6 lb-ft) @ 6750 rpm (ST3)
Fuel Delivery:
Electronic Fuel Injection (Weber Marelli or similar)
Fuel Type:
Unleaded gasoline, premium octane rating recommended.
Ignition System:
Digital electronic ignition with spark advance
Lubrication System:
Wet sump, oil cooler
Cooling System:
Oil Cooled
Safety Standards:
Complies with relevant European and global motorcycle safety regulations for its production era.
ABS System:
Available as an option on the ST3S-ABS model, providing enhanced braking control.
Braking System:
High-performance Brembo brakes (dual discs front, single rear) providing significant stopping power.
Lighting:
Halogen headlights, LED taillight, amber turn signals.
Frame Design:
Ducati's signature Trellis frame offers rigidity and rider feedback.
Instrumentation:
Digital and analog dashboard with tachometer, speedometer, trip meters, fuel gauge, clock, engine temperature warning light.
ABS:
Optional ABS system on the ST3S-ABS variant for enhanced rider safety.
Wiring Harness Design:
The manual details the OEM wiring harness, essential for diagnosing electrical issues or integrating aftermarket accessories.
Oil Change Interval:
Typically every 12,000 km (7,500 miles) or 12 months, refer to the specific service manual for exact intervals.
Desmo Service Interval:
Typically every 24,000 km (15,000 miles) for valve clearance adjustment (Desmodromic service).
Engine Oil Type:
Synthetic SAE 10W-40 or 15W-50, API SG/SH/SJ/SL, JASO MA/MA2. Specific Ducati recommendation likely 15W-50.
Engine Oil Capacity Est:
Approx. 3.5 - 3.8 liters (3.7 - 4.0 US qt) with filter change.
Brake Fluid Type:
DOT 4 or DOT 5.1
Coolant Type:
N/A (Air-cooled engine, oil cooled)
Clutch Fluid Type:
DOT 4 or DOT 5.1
Common Wear Items:
Clutch plates (dry clutch), stator, regulator/rectifier, fuel pump, starter solenoid, wear on footpeg brackets due to luggage.
Desmodromic Maintenance Criticality:
Regular Desmo service is critical to prevent valve damage and maintain engine performance.
Genuine Parts Necessity:
Using genuine Ducati parts ensures proper fit, function, and longevity, especially for critical engine and chassis components.
Ducati Legacy:
Ducati is renowned for its L-twin engines, Desmodromic valve actuation, and performance-oriented sportbikes.
St Series Introduction:
The ST series aimed to blend Ducati's performance DNA with the practicality and comfort required for sport touring.
St3 Development:
Evolved from earlier ST models, incorporating the updated 992cc DS1000 engine and refinements for better touring capability.
Production Period:
2004-2007 for the ST3, ST3S, and ST3S-ABS models.
Manufacturing Location:
Bologna, Italy (Ducati Headquarters)
Motorcycle Reviews:
Generally received positive reviews for its blend of performance, comfort, and Ducati character, though sometimes criticized for heat management and dry clutch noise.
Durability Perception:
Depends heavily on proper maintenance and adherence to service intervals, especially the Desmo service. Known for robust engine design when cared for.
Emission Standards:
Compliant with European emission standards for the model years (e.g., Euro 2 or similar).
