Positioning:
The Ducati ST3 was positioned as a sport-touring motorcycle, blending performance with comfort for longer rides. It offered a more accessible entry point into Ducati ownership compared to their pure sportbikes.
Competitors:
Competed against other sport-touring motorcycles of the era, such as the Honda VFR, Yamaha FJR1300, and Kawasaki GTR series. Its key differentiators were the Ducati V-twin engine character and handling.
Features:
Liquid-cooled L-twin engine, trellis frame, adjustable suspension, comfortable riding position for a Ducati, capable of both spirited riding and touring.
Coverage:
Comprehensive parts breakdown for all major assemblies and components of the Ducati ST3 (USA, 2004 model year).
Pages:
Estimated 300-500 pages (typical for this type of manual). Specific count not provided in product info.
Type:
Parts Manual / Catalog
Format:
Likely Digital (PDF) based on common sales practices for older manuals, though Print version may exist.
Engine:
Engine internal components, cylinder heads, crankcase, lubrication system, fuel injection system (Ducati's proprietary system), ignition system, exhaust system components.
Transmission:
Gearbox internals, clutch assembly (dry clutch specific to Ducati), shift mechanism, drive chain and sprockets.
Chassis And Frame:
Frame components, swingarm, rear shock absorber, linkage, footpegs, seat assembly, fuel tank and mountings.
Suspension:
Front forks (showa or similar, depending on exact build specification), steering head, triple clamps, wheel bearings.
Brakes:
Front and rear brake calipers (likely Brembo), master cylinders, brake lines, rotors, brake fluid reservoirs, ABS components (if equipped).
Electrical System:
Wiring harness, battery, starter motor, alternator, lights (headlight, taillight, indicators), switches, instrument cluster components, ECU and sensors.
Bodywork:
Fairings, tank covers, seat cowl, fenders, handlebars, mirrors, windscreen, trim pieces, fasteners.
Wheels And Tires:
Wheels (front and rear), wheel hubs, spokes (if applicable), tire sizes, valve stems.
Part Identification:
Detailed diagrams with exploded views and corresponding part numbers for every component.
Assembly Disassembly:
Illustrates the sequence of assembly and disassembly for various sub-assemblies, crucial for parts replacement.
Fastener Specs:
Identification of specific fasteners (bolts, nuts, washers) used in different areas, often with torque values implicitly referenced through assembly diagrams.
Depth:
Highly detailed, focusing on visually identifying and ordering correct replacement parts. While not a 'how-to' repair manual, it is indispensable for understanding component relationships and ordering.
File Quality:
Likely high-resolution scans of original documents, ensuring clarity of diagrams and text. Searchable text functionality is common in PDF versions.
Print Options:
Printable pages, allowing users to create physical copies of specific sections or the entire manual for workshop use.
Binding:
If printed: Spiral-bound or comb-bound for lay-flat readability in a workshop environment. If digital: PDF with bookmarks for easy navigation.
Paper Quality:
If printed: Durable, high-quality paper suitable for workshop conditions (e.g., glossy or semi-gloss paper for diagrams).
Engine Type:
Four-stroke, L-twin (90-degree V-twin), Desmodromic valve actuation
Displacement:
992 cc (992cc)
Bore X Stroke:
98 mm x 66 mm
Valve Train:
2 valves per cylinder, Desmodromic
Horsepower:
Approximately 107 HP (at crank) at 8,750 rpm
Torque:
Approximately 71 lb-ft (96 Nm) at 6,750 rpm
Fuel Delivery:
Fuel injection, Marelli electronic control unit (ECU)
Fuel Type:
Unleaded gasoline, 95 RON minimum
Oil Type:
Semi-synthetic or fully synthetic motorcycle oil, SAE 10W-40 or 15W-50, meeting API SG or higher, JASO MA specification.
Clutch:
Dry multi-plate clutch, hydraulically operated
Gear Ratios:
Specific ratios vary by gear, but designed for balanced sport-touring performance.
Transmission Oil:
Typically uses the same oil as the engine, or a separate gearbox oil for some models. Refer to service manual for definitive specification. If shared, then engine oil specification applies.
Length:
Approx. 2130 mm (83.9 in)
Width:
Approx. 760 mm (29.9 in) at handlebars
Height:
Approx. 1240 mm (48.8 in) at windscreen
Wheelbase:
Approx. 1475 mm (58.1 in)
Dry Weight:
Approx. 185 kg (408 lbs)
Wet Weight:
Approx. 205 kg (452 lbs) (fully fueled, with standard fluids)
Tank Capacity:
21 liters (5.5 US gal)
Crash Safety:
Motorcycles are not typically rated by organizations like NHTSA or IIHS. Safety relies on design and rider skill. Parts manual does not cover safety ratings.
Braking System:
Dual 320mm discs with four-piston calipers (front), Single 245mm disc with two-piston caliper (rear). ABS was an optional feature on some models.
Suspension Features:
Fully adjustable front forks (preload, compression, rebound) and rear monoshock (preload, rebound) for optimized handling and stability.
Lighting:
Halogen headlight, LED taillight, amber front and rear turn signals.
Frame Design:
Chromium-molybdenum steel trellis frame providing rigidity and excellent feedback.
Instrument Cluster:
Analog tachometer, digital speedometer, odometer, trip meters, coolant temperature gauge, clock, basic indicator lights. No advanced infotainment system.
ABS:
Anti-lock Braking System (ABS) was an optional feature on the ST3, enhancing safety.
Connectivity Features:
No integrated Bluetooth or smartphone connectivity; standard motorcycle wiring for lights and ignition.
Oil Change Interval:
Typically every 7,500 miles (12,000 km) or annually, whichever comes first. Always consult the official service manual for precise intervals.
Desmo Service Interval:
Desmodromic valve clearance check and adjustment typically every 7,500 miles (12,000 km) or annually. This is a critical Ducati maintenance item.
Belt Replacement Interval:
Timing belts typically require replacement every 15,000 miles (24,000 km) or 3-5 years, due to aging of the rubber material.
Brake Fluid:
DOT 4 synthetic brake fluid.
Coolant:
Ethylene glycol-based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water. Consult manual for specific Ducati coolant or equivalent.
Clutch Fluid:
DOT 4 synthetic brake fluid (often shares reservoir with front brake).
Fuel Pump Reliability:
Some owners reported early fuel pump failures. Regular fuel level maintenance can help prevent premature wear.
Electrical Gremlins:
As with many European motorcycles of this era, occasional minor electrical issues can arise due to vibration or component aging. Proper maintenance of connections is key.
Desmo Service:
Failure to adhere to Desmodromic valve adjustment intervals can lead to poor running, reduced performance, and potential valve damage. This is a crucial but often overlooked service for new Ducati owners.
Example Oil Filter:
Ducati Part Number may be specific; e.g., 444.1.008.1A or equivalent Hiflofiltro HF153.
Example Air Filter:
Ducati Part Number may be specific; e.g., 426.1.023.1A or equivalent K&N filter like DU-9001.
Heritage:
Ducati has a long and storied history in motorcycle racing and performance road bikes, renowned for its L-twin engines and distinctive Italian design.
Evolution:
The ST3 was part of Ducati's ST (Sport Touring) line, evolving from earlier models like the ST2 and ST4. It introduced the 992cc engine, offering a more tractable power delivery for touring compared to the higher-strung sportbikes.
Production Years:
The ST3 model line was produced roughly from 2003 to 2007.
Manufacturing Location:
Bologna, Italy
Motorcycle Reviews:
While specific 'awards' are rare for individual model years, the Ducati ST3 generally received positive reviews for its blend of performance, handling, and comfort, establishing itself as a credible sport-tourer within the Ducati lineup.
Reliability Perception:
Ducati reliability in the mid-2000s was improving, but still required diligent maintenance, particularly the desmodromic valve system. This parts manual is essential for owners who embrace this maintenance philosophy.
Emissions Compliance:
Designed to meet US EPA and California ARB emissions standards for motorcycles of its model year.
