Motorcycle Segment:
Sport-Touring Motorcycle
Target Audience:
Motorcyclists seeking a blend of performance and comfort for longer rides and spirited touring.
Key Competitors Era:
Honda VFR, BMW R1150RT/R1200RT, Kawasaki GTR1000/ZZR1400, Yamaha FJR1300.
Engine Type:
Ducati's renowned Desmodromic L-Twin architecture.
Design Philosophy:
Combines Ducati's sporty DNA with practical features for touring comfort, including integrated luggage options and fairings.
Unique Selling Points:
Distinctive L-twin sound and power delivery, trellis frame rigidity, advanced Desmodromic valve actuation.
Engine Mechanical:
Complete overhaul of L-Twin engine, valve clearance adjustment (Desmodromic system), piston and cylinder inspection, crankshaft and connecting rod service, timing belt replacement.
Fuel System:
Fuel injection system diagnostics and repair (injectors, fuel pump, pressure regulator), throttle body service, ECU mapping overview.
Ignition System:
Ignition coil testing, spark plug replacement, ECU ignition control diagnostics.
Cooling System:
Radiator and fan service, coolant flush and replacement, thermostat and water pump inspection.
Transmission Drivetrain:
Clutch service (dry clutch operation), gearbox disassembly and assembly, chain and sprocket inspection and replacement, final drive maintenance.
Suspension:
Front fork (e.g., Marzocchi or Showa, depending on specific variant) disassembly, seal replacement, oil level and viscosity specifications. Rear shock absorber adjustment, linkage maintenance, bearing service.
Brakes:
Brake caliper overhaul (e.g., Brembo), master cylinder service, brake fluid type and bleeding procedures, rotor and pad inspection and replacement.
Electrical System:
Complete wiring diagrams, component testing (stator, regulator/rectifier, starter motor), battery maintenance, lighting system repair, diagnostic connector location and usage.
Chassis Frame:
Frame inspection, steering head bearing service, swingarm pivot bearing maintenance.
Bodywork Fairings:
Fairing removal and installation, seat and tank mounting, cosmetic component repair.
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter cleaning/replacement, chain adjustment and lubrication, tire pressure checks.
Major Servicing:
Desmodromic valve clearance adjustment, timing belt replacement, fuel system cleaning, coolant system service.
Troubleshooting:
Step-by-step diagnostic procedures for common issues, error code interpretation (if applicable to the ECU).
Component Rebuilds:
Detailed instructions for rebuilding engine components, suspension forks, brake calipers, and transmission assemblies.
Electrical Diagnostics:
Testing of sensors, actuators, and wiring harnesses; interpretation of diagnostic trouble codes.
Depth Level:
Comprehensive, from basic maintenance to complete engine and chassis rebuilds.
Diagnostic Capabilities:
Detailed diagnostic flowcharts and component testing procedures.
Repair Instructions:
Step-by-step disassembly, inspection, repair, and reassembly procedures with torque specifications.
Searchability:
Searchable text content for quick information retrieval.
Image Resolution:
High-resolution images, diagrams, and schematics.
Clarity:
Clear, legible text and diagrams suitable for printing.
Binding Method:
Digital (N/A for physical binding, but designed for easy digital viewing/printing).
Paper Quality:
Digital (N/A for physical paper type).
Engine Type:
Desmodromic L-twin, four-stroke
Displacement:
992 cc (for the ST3, prior to the ST3S with 999cc Testastretta)
Bore X Stroke:
98 mm x 66 mm
Valve Actuation:
Desmodromic, 4 valves per cylinder
Cooling System:
Liquid-cooled
Horsepower Peak:
Approximately 102 hp @ 8750 rpm
Torque Peak:
Approximately 93 Nm (69 lb-ft) @ 7000 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with single injector per cylinder
Fuel Type:
Unleaded gasoline, minimum 95 RON
Ignition:
Digital electronic ignition
Length:
Approximately 2100 mm (varies slightly)
Width:
Approximately 750 mm (at handlebars, varies)
Height:
Approximately 1300 mm (at highest point, varies)
Wheelbase:
Approximately 1460 mm
Dry Weight:
Approximately 195 kg
Wet Weight:
Approximately 215 kg (fully fueled and with fluids)
Luggage Capacity:
Designed for optional Ducati hard saddlebags; interior cargo space is limited to rider's discretion.
Crash Safety:
Motorcycle safety is primarily rider-dependent; manual covers braking system integrity and tire maintenance.
Braking System:
Dual front disc brakes (e.g., 320mm with 4-piston calipers), single rear disc brake (e.g., 245mm with 2-piston caliper).
ABS:
Available on some later ST3 models or as an option (ABS-equipped models have specific diagnostic procedures).
Lighting:
Halogen headlights, LED tail light, turn signals.
Frame Structure:
Steel trellis frame designed for rigidity and rider feedback.
Infotainment System:
Basic dashboard instrumentation: Analog tachometer, digital speedometer, odometer, trip meter, coolant temperature gauge, warning lights.
Audio System:
N/A (not equipped with an audio system)
Traction Control:
N/A (not equipped with traction control)
Cruise Control:
N/A (not equipped with cruise control)
Connectivity Features:
N/A (no integrated smart features or Bluetooth)
Oil Filter Change:
Every 12,000 km (7,500 miles) or annually, whichever comes first.
Desmo Service Interval:
Every 24,000 km (15,000 miles) for valve clearance adjustment.
Timing Belt Replacement:
Every 24,000 km (15,000 miles) or 4 years.
Spark Plug Replacement:
Every 12,000 km (7,500 miles).
Engine Oil Type:
SAE 10W-40, API SG/SH/SJ or ACEA A3 specification (Ducati recommended oil is typically fully synthetic).
Engine Oil Capacity:
Approximately 3.7 liters (3.9 US quarts) with filter change.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors (e.g., Motul Motocool Expert or equivalent).
Brake Fluid Type:
DOT 4 brake fluid.
Clutch Fluid Type:
DOT 4 brake fluid (often shared with the brake system).
Desmo Adjustment:
Requires precise valve clearance adjustment; infrequent adjustment can lead to performance issues or valve damage.
Fuel Pump Reliability:
Some early models may experience occasional fuel pump issues; proper fuel system maintenance is crucial.
Electrical Connections:
Corrosion on electrical connectors, especially in humid environments, can lead to intermittent faults.
Regulator Rectifier:
Potential for regulator/rectifier failure, leading to charging system problems.
Manufacturer:
Ducati Motor Holding S.p.A., Italy
Brand Focus:
Performance motorcycles, known for L-twin engines, Desmodromic valve actuation, and racing heritage.
Predecessor:
ST2, ST4 models
Successor:
ST3s (with Testastretta engine), Multistrada series
Development Goal:
To create a more accessible and comfortable sport-touring motorcycle compared to Ducati's pure sportbikes, while retaining performance characteristics.
Manufacturing Location:
Bologna, Italy
Production Period:
2004-2007
