Ducati Part List ST4S 2003 Parts Manual Parts Manual Catalog

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🏷️ Basic Information Identification Make: Ducati Model: ST4s Year: 2003 Variant: ST4s Codes Chassis Code: DM000 👋 Introduction Market Position Motorcycle Segment: Sport Touring Target Audience: Riders seeking a blend...

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Type: Motorcycle

Vendor:

Sku: 293748

Tags: 2003 Ducati Motorcycle Motorcycles SportTouring / ST Models ST4S

Product variants

Description

🏷️ Basic Information

Identification

Make:

Ducati

Model:

Year:

Variant:

Codes

Chassis Code:

DM000

👋 Introduction

Market Position

Motorcycle Segment:

Sport Touring

Target Audience:

Riders seeking a blend of performance, comfort, and long-distance capability.

Competitive Analysis

Key Competitors 2003:

Honda VFR800, Yamaha FJR1300, Kawasaki GTR1000, BMW R1100S/R1150RS.

Key Features

Engine Configuration:

Desmodromic L-Twin Engine

Suspension Type:

Fully adjustable USD front forks and progressive rear monoshock.

Braking System:

Powerful Brembo radial-mount calipers.

📋 Manual Details

Coverage Areas

Coverage Scope:

Complete Parts Catalog for Ducati ST4s (2003 Model Year)

Page Count

Estimated Pages:

Refer to actual document for precise page count, typically 150-300 pages for this type of catalog.

Manual Type

Manual Type:

Parts Catalog / Parts Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine Components:

Cylinder heads, pistons, crankshaft, con-rods, valve train, oil pump, water pump, intake manifold, exhaust system, engine mounting hardware.

Fuel System:

Fuel tank, fuel pump, fuel filter, fuel injectors, throttle body assembly, fuel lines, regulators.

Transmission Clutch:

Gearbox components (gears, shafts, selectors), clutch assembly (plates, springs, housing), primary drive, final drive chain/sprockets.

Chassis Frame:

Frame sections, sub-frame, swingarm, steering head assembly, footpegs, stands, fasteners.

Suspension Front:

Front fork components (stanchions, sliders, seals, springs, damping rods), triple clamps, steering bearings.

Suspension Rear:

Monoshock absorber, linkage system, swingarm pivot bearings, rear wheel spindle.

Brakes Front:

Brake calipers, discs, master cylinder, brake lines, levers, pads, fasteners.

Brakes Rear:

Rear brake caliper, disc, master cylinder, brake line, lever, pads, fasteners.

Wheels Tires:

Front and rear wheel assemblies, spokes, nipples, rim strips, valve stems, wheel bearings, spacers.

Electrical System:

Wiring harness, battery, starter motor, alternator, ignition coils, CDI unit, lights (headlight, taillight, indicators), switches, fuses, relays, dashboard instrumentation.

Bodywork Fairings:

Front fairing, side panels, belly pan, seat cowl, tank cover, mudguards, windscreen, mounting brackets, fasteners.

Controls Cables:

Throttle controls, clutch lever, brake levers, cables, pushrods, linkages, gear shift mechanism.

Accessories Options:

May include parts for factory-fitted accessories, though primary focus is stock components.

Procedures Included

Part Identification:

Identification of all individual parts and assemblies with corresponding part numbers.

Assembly Disassembly:

Illustrations and diagrams showing how components fit together for assembly and disassembly guidance.

Part Replacement:

Implicitly covers part replacement by providing correct part numbers and visual references.

Fastener Specifications:

Identification of specific bolts, nuts, washers, and their associated quantities.

Technical Depth

Depth Level:

Detailed component level breakdown. Primarily for parts identification and procurement, not step-by-step repair procedures.

📊 Manual Specifications

File Format

File Format:

Print Quality

Printability:

Printable

Zoom Capability:

Zoom In/Out

Manual Quality:

Factory Quality

Binding Type

Binding Type:

Digital (PDF)

Paper Type

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Engine Type:

90° L-Twin, four-stroke, Desmodromic valve actuation

Displacement:

916 cc (for ST4s) / 996 cc (for ST4s ABS)

Bore X Stroke:

98 x 63.2 mm

Compression Ratio:

11.3:1

Valve Train:

Desmodromic, 4 valves per cylinder

Cooling System:

Liquid-cooled

Performance

Horsepower Claimed:

Approximately 117 hp @ 9000 rpm

Torque Claimed:

Approximately 9.5 kgm (93 Nm) @ 7000 rpm

Fuel System

Fuel Delivery:

Weber Marelli electronic fuel injection

Fuel Type:

Unleaded gasoline, minimum 95 RON

Lubrication

Oil Type:

Fully synthetic motorcycle oil, SAE 10W-40 or 20W-50, meeting API SG or higher, JASO MA.

Oil Capacity:

Approx. 3.8 liters (with filter change)

🔧 Transmission

Standard

Transmission Type:

6-speed sequential

Clutch Type:

Hydraulically operated, wet multi-plate clutch

Features

Final Drive:

O-ring sealed chain, 525 pitch

📐 Dimensions

Exterior

Length:

Approx. 2120 mm

Width:

Approx. 770 mm (at handlebars)

Height:

Approx. 1230 mm (at seat)

Wheelbase:

Approx. 1465 mm

Ground Clearance:

Approx. 130 mm

Weights

Dry Weight:

Approx. 210 kg

Wet Weight:

Approx. 235 kg (with fluids)

Maximum Load:

Refer to owner's manual or specific documentation, typically 180-200 kg rider+luggage.

Fuel Capacity:

21 liters

🛡️ Safety Features

Ratings

Safety Standards:

Manufactured to meet European safety standards relevant for motorcycles.

Active Features

Braking System Front:

Dual 320mm discs, Brembo 4-piston radial calipers

Braking System Rear:

Single 245mm disc, Brembo 2-piston caliper

Optional ABS available on some models.

Passive Features

Lighting:

Halogen headlight, LED taillight, amber incandescent turn signals.

Chassis Design:

Robust tubular steel trellis frame for stability and handling.

💡 Technology Features

Infotainment

Infotainment System:

Basic instrumentation: analog tachometer, digital speedometer, odometer, trip meters, coolant temperature gauge, clock, and warning lights.

Driver Assistance

Traction Control:

No traction control system.

Optional ABS available.

Connectivity

Connectivity Features:

No modern connectivity features like Bluetooth or smartphone integration.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 7,500 km (4,500 miles) or annually, whichever comes first.

Desmo Service Interval:

Crucial Desmodromic valve clearance check and adjustment typically every 10,000-12,000 km (6,000-7,500 miles).

Spark Plug Replacement:

Refer to manual, typically around 10,000-15,000 km.

Belt Replacement Interval:

Crucial timing belt replacement every 2 years or 20,000 km, due to Desmo timing.

Fluid Specifications

Brake Fluid:

DOT 4

Coolant:

Ethylene glycol-based coolant with anti-corrosion additives, 50/50 mix with distilled water.

Fork Oil:

Refer to specific manual or workshop data for type and viscosity (e.g., SAE 7.5 or 10).

Known Issues

Desmo Service Importance:

Neglecting Desmodromic valve adjustments can lead to valve damage and performance loss. Critical maintenance item.

Electrical Connections:

Some Ducati models of this era can experience issues with corroded electrical connectors, particularly in exposed areas.

Fuel Pump Reliability:

Early fuel pumps could be a point of failure; replacement with updated units may be advisable.

Regulator Rectifier:

While less common than later models, voltage regulator/rectifier issues can occur, leading to battery charging problems.

Fairing Vibrations:

Some owners report minor fairing vibrations at certain RPMs; often addressed by checking fairing mounting points and fasteners.

Part Numbers

Engine Oil Filter Example:

Example part number: 444.1.016.1A (check manual for definitive)

Timing Belt Example:

Example part number: 779.1.022.1A (check manual for definitive)

📚 Vehicle History

Brand Heritage

Ducati Legacy:

Ducati has a rich racing heritage, particularly in MotoGP and World Superbike championships, known for its V-twin engines and performance focus.

Model Evolution

St Series Evolution:

The ST series evolved from earlier sport-touring models, integrating Ducati's performance DNA with greater comfort and practicality for longer rides.

St4S Specifics:

The ST4s was an upgrade over the ST4, featuring the more powerful 916cc (later 996cc with ABS) engine, improved suspension, and upgraded brakes.

Production

Production Years:

The ST4s model was produced roughly from 2001 to 2005.

Manufacturing Location:

Bologna, Italy

🏆 Awards & Recognition

Recognitions

Motorcycle Reviews:

The ST4s was generally well-received for its powerful engine, strong brakes, and capable chassis, offering a compelling sport-touring package.

Ratings

Performance Reviews:

Praised for its Ducati 'soul' and spirited performance combined with touring comfort.

Certifications

Emission Standards:

Compliant with Euro-2 emissions standards for its production year.