Market Segment:
        
        
            Sportbike, Ducati's middleweight performance offering, positioned between the 600cc class and the flagship 99x series.
        
     
    
    
        
            Competitors:
        
        
            Competed directly with Japanese 600cc supersports (e.g., Yamaha R6, Honda CBR600RR, Suzuki GSX-R600) and other European twins in the 750cc class (e.g., some Aprilia models).
        
     
    
    
        
            Design Philosophy:
        
        
            Characterized by Ducati's signature L-twin engine architecture, trellis frame, sophisticated suspension, and striking Italian design.
        
     
    
        
            Performance Focus:
        
        
            Emphasis on torque, handling agility, and rider engagement, offering a different character to inline-four competitors.
        
     
 
    
    
    
        
            Coverage:
        
        
            Comprehensive parts listing for the Ducati 749 model year 2004, covering all major mechanical and electrical components, chassis, bodywork, and accessories.
        
     
    
    
        
            Page Count:
        
        
            Estimated 200-300 pages (typical for a detailed parts catalogue of this era).
        
     
    
    
        
            Manual Type:
        
        
            Parts Catalogue / Parts List
        
     
    
    
    
    
        
            Format:
        
        
            Likely printed or digitized PDF
        
     
 
    
    
    
        
            Engine Components:
        
        
            Cylinder head, pistons, crankshaft, camshafts, valves, timing system, oil pump, cooling system components, exhaust system components.
        
     
    
        
            Transmission Components:
        
        
            Gearbox internals (gears, shafts, synchronizers), clutch assembly, primary drive components, final drive components.
        
     
    
        
            Chassis Components:
        
        
            Frame, swingarm, suspension units (front forks, rear shock absorber), steering system components, wheel hubs, bearings.
        
     
    
        
            Braking System Components:
        
        
            Brake calipers, master cylinders, brake discs, brake lines, levers, pedal assembly.
        
     
    
        
            Electrical System Components:
        
        
            Wiring harness, battery, alternator, starter motor, ignition system components, lighting components (headlight, taillight, indicators), instrument cluster components, sensors.
        
     
    
        
            Fuel System Components:
        
        
            Fuel tank, fuel pump, fuel injectors, fuel lines, fuel filter.
        
     
    
        
            Bodywork Components:
        
        
            Fairings, seat, fuel tank cover, fenders, mirrors, fasteners, decals.
        
     
    
    
        
            Parts Identification:
        
        
            Visual diagrams and exploded views for easy identification of individual parts and their relationships within assemblies. Includes part numbers for ordering.
        
     
    
        
            Assembly Disassembly Reference:
        
        
            While not a repair manual, it provides essential visual context for assembly and disassembly procedures by showing the order and orientation of parts.
        
     
    
    
        
            Depth:
        
        
            Detailed part number cross-referencing and OEM specifications. Essential for accurate part sourcing and replacement for maintenance and repair activities.
        
     
 
    
    
    
        
            File Format:
        
        
            If PDF: High-resolution scans, potentially searchable text if OCR processed.
        
     
    
    
        
            Print Quality:
        
        
            If printed: High-quality paper stock, clear and legible diagrams and text.
        
     
    
    
        
            Binding Type:
        
        
            If printed: Professional binding (e.g., saddle-stitch, perfect bound) for durability.
        
     
    
    
        
            Paper Type:
        
        
            If printed: Glossy or matte paper suitable for detailed diagrams.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Liquid-cooled, four-stroke, Desmodromic 4-valve L-twin (V-twin)
        
     
    
    
        
            Bore X Stroke:
        
        
            94 mm x 54.2 mm
        
     
    
        
            Compression Ratio:
        
        
            11.4:1 (typical for this engine family)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 108 hp @ 9,750 rpm (subject to specific market tuning)
        
     
    
        
            Torque:
        
        
            Approximately 78 Nm (57.5 lb-ft) @ 7,000 rpm (subject to specific market tuning)
        
     
    
    
        
            Fuel Delivery:
        
        
            Fuel injection, likely Marelli or similar EFI system
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, premium octane recommended (e.g., 95 RON or higher)
        
     
    
    
        
            Cooling Type:
        
        
            Liquid-cooled
        
     
    
    
        
            Oil Type:
        
        
            Synthetic motorcycle oil, e.g., Motul 5100 10W-40 or equivalent JASO MA certified oil.
        
     
    
        
            Oil Capacity:
        
        
            Approx. 3.8 - 4.0 liters (check manual for exact figure, with filter change)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            6-speed sequential manual transmission
        
     
    
        
            Clutch Type:
        
        
            Wet multi-plate clutch, hydraulic actuation
        
     
    
    
    
        
            Gear Ratios:
        
        
            Specific ratios would be detailed in the manual; Ducati typically uses close-ratio gearboxes for sportbikes.
        
     
    
    
        
            Transmission Oil:
        
        
            Gearbox oil not typically serviced separately, shares engine oil or uses specific gearbox oil depending on design. Consult service manual.
        
     
 
    
    
    
    
        
            Width:
        
        
            Approx. 750 mm (at handlebars)
        
     
    
        
            Height:
        
        
            Approx. 1150 mm (at seat)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 191 kg
        
     
    
        
            Wet Weight:
        
        
            Approx. 205 kg (fully fuelled, fluids)
        
     
    
    
        
            Front Tire Size:
        
        
            120/70 ZR17
        
     
    
        
            Rear Tire Size:
        
        
            180/55 ZR17
        
     
    
        
            Wheel Bolt Pattern:
        
        
            N/A (spoked wheels with center nut, or cast wheels with specific hub)
        
     
 
    
    
    
        
            Crash Test Ratings:
        
        
            N/A (Motorcycles are not subject to automotive crash testing standards like NHTSA or Euro NCAP).
        
     
    
    
        
            Braking System:
        
        
            Dual 320 mm front discs with 4-piston radial calipers (Brembo typically), single 245 mm rear disc with 2-piston caliper.
        
     
    
        
            Suspension Design:
        
        
            Fully adjustable front forks (e.g., Showa or Marzocchi) and rear monoshock absorber, providing significant tuning capability for rider safety and control.
        
     
    
    
        
            Frame Design:
        
        
            Steel trellis frame for high rigidity and predictable handling.
        
     
    
        
            Lighting:
        
        
            Halogen headlight, LED taillight, front and rear turn signals.
        
     
 
    
    
    
        
            Instrument Cluster:
        
        
            Analog tachometer, digital speedometer, LCD display for odometer, trip meters, clock, coolant temperature, and warning lights.
        
     
    
    
        
            ABS:
        
        
            Anti-lock Braking System (ABS) was an optional feature on some 749 models, particularly later ones or in specific markets.
        
     
    
    
        
            Diagnostic Ports:
        
        
            Diagnostic connector for electronic troubleshooting and potentially data logging.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 7,500 - 10,000 km or annually. Check service manual for exact intervals.
        
     
    
        
            Desmo Service Interval:
        
        
            Critical Desmodromic valve clearance check and adjustment usually every 10,000 - 12,000 km. This is a significant maintenance item for Ducatis.
        
     
    
        
            Belt Replacement Interval:
        
        
            Timing belts require replacement every 2 years or 24,000 km, whichever comes first.
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 or DOT 5.1 brake fluid, typically specified by Ducati for optimal performance.
        
     
    
        
            Clutch Fluid:
        
        
            DOT 4 or DOT 5.1 brake fluid (same as brakes as it's a shared hydraulic system).
        
     
    
    
        
            Typical Wear Items:
        
        
            Clutch plates, brake pads, chain and sprockets, fork seals, tires.
        
     
    
        
            Electrical Concerns:
        
        
            While generally robust, some owners report occasional electrical connector issues or regulator/rectifier problems common to many motorcycles of this era.
        
     
    
        
            Desmo Service Criticality:
        
        
            Failure to perform Desmo services on time can lead to catastrophic engine damage. This is the most critical maintenance for this model.
        
     
 
    
    
    
        
            Ducati Legacy:
        
        
            Ducati has a long and storied history in motorcycle racing and performance road bikes, known for its L-twin engines, desmodromic valve actuation, and distinctive styling.
        
     
    
    
        
            749 Development:
        
        
            The 749 was introduced as a more accessible and user-friendly alternative to the flagship 999 superbike, sharing many design elements and mechanical components but with a smaller displacement engine.
        
     
    
    
        
            Production Period:
        
        
            The 749 model range was produced from 2003 to 2007.
        
     
    
        
            Manufacturing Location:
        
        
            Bologna, Italy