🏷️ Basic Information

Make:

Harley Davidson

Model:

FLSTCI Heritage Softail

Year:

2003

Variant:

Heritage Softail ST

Engine Code:

TC88B (Twin Cam 88B)

👋 Introduction

Market Position:

The FLSTCI Heritage Softail represents Harley Davidson's commitment to blending classic styling with modern performance for the touring and cruiser rider. This model appeals to enthusiasts seeking the iconic Harley look with reliable V-twin power.

Competitors:

Competes with other large-displacement cruisers from brands like Indian, Victory, and custom builders offering similar vintage-inspired aesthetics and V-twin engine configurations.

Key Features:

Classic styling cues reminiscent of post-war Harleys, large V-twin engine, comfortable riding position, extensive chrome plating, leather saddlebags, large windshield.

📋 Manual Details

Coverage:

Complete repair and overhaul for Harley Davidson FLSTCI Heritage Softail ST 2003

Page Count:

Estimated 400-600 pages (typical for this era's comprehensive service manuals)

Manual Type:

Service Repair Manual / Workshop Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Covered Systems:

Engine (Twin Cam 88B), Fuel System, Ignition System, Transmission (5-speed), Clutch, Final Drive, Brakes (Front & Rear Disc), Suspension (Front Fork & Rear Swingarm), Electrical System (Wiring Diagrams, Lighting, Accessories), Frame, Bodywork, Wheels & Tires, Instruments & Controls, Maintenance Procedures, Troubleshooting

Included Procedures:

Routine Maintenance, Engine Overhaul, Transmission Rebuild, Clutch Adjustment & Replacement, Brake System Bleeding & Service, Suspension Service, Electrical Troubleshooting & Repair, Fuel System Cleaning & Adjustment, Ignition System Diagnosis, Carburetor Rebuild (CV Carburetor), Cooling System Service (if applicable), Wheel Bearing Service, Tire Mounting & Balancing, Frame Inspection & Repair, Bodywork Repair, Component Disassembly & Reassembly, Torque Specifications

Depth:

Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring schematics.

📊 Manual Specifications

File Format:

Searchable PDF with high-resolution diagrams and printable pages.

Print Quality:

High-resolution scans ensuring clarity of all diagrams, illustrations, and text.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 88B V-twin

Displacement:

1450cc (88 cubic inches)

Bore X Stroke:

3.75 in. x 4.0 in. (95.25 mm x 101.6 mm)

Compression Ratio:

8.8:1

Horsepower:

Approx. 65-70 HP (at crankshaft, estimated)

Torque:

Approx. 75-80 ft-lbs (at crankshaft, estimated)

Fuel Delivery:

Carburetor (Keihin CV 40mm)

Fuel Type:

Unleaded gasoline, minimum 87 octane

Valvetrain:

Overhead valve (OHV), 2 valves per cylinder

Ignition System:

Electronic ignition, dual spark plugs per cylinder

🔧 Transmission

Transmission Type:

5-speed constant mesh

Clutch Type:

Wet, multi-plate

Primary Drive:

Duplex chain, 1.370:1

Final Drive:

Belt drive, 32/66, 2.06:1

Transmission Fluid:

Harley Davidson Motorcycle Transmission Fluid (or equivalent API GL-4, SAE 75W-90)

Transmission Oil Capacity:

Approximately 24 US fl oz (0.71 L)

📐 Dimensions

Overall Length:

9.29 ft (2832 mm)

Wheelbase:

63.7 in. (1618 mm)

Seat Height Laden:

26.0 in. (660 mm)

Dry Weight:

650 lbs (295 kg)

Gross Vehicle Weight Rating:

1050 lbs (476 kg)

Fuel Tank Capacity:

5.0 US gal (19 L)

Oil Capacity With Filter:

3.5 US qt (3.3 L)

Front Tire Size:

130/90-16

Rear Tire Size:

150/80B16

Wheel Type:

Chrome laced spoke wheels

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycle safety is typically assessed through independent rider training and accident data, not formal crash test ratings like cars).

Braking System:

Dual-piston front caliper with 11.5" disc, Single-piston rear caliper with 11.5" disc.

Lighting:

Halogen headlamp, sealed-beam tail lamp, directional signals, auxiliary passing lamps.

Chassis Design:

Steel, tubular frame with integrated swingarm for stability.

💡 Technology Features

Audio System:

Optional accessory audio system, typically rider-focused and analog.

Instrumentation:

Analog speedometer, tachometer (optional), fuel gauge, voltage meter, indicator lights.

Assistance Features:

None (designed for classic riding experience).

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months thereafter

Engine Oil Type:

Harley Davidson Genuine Motor Oil SAE 20W50 (or equivalent API CG-4 or higher)

Engine Oil Capacity:

3.5 US qt (3.3 L) with filter change

Primary Chain Case Oil:

Harley Davidson Genuine Primary Chain Case Oil (or equivalent SAE 80W-90 GL-4)

Primary Chain Case Oil Capacity:

Approx. 30 US fl oz (0.89 L)

Brake Fluid:

DOT 4

Common Wear Items:

Clutch cable, drive belt wear, wheel bearings, spark plugs, battery.

Potential Faults:

Carburetor adjustment issues, starter solenoid problems, charging system issues (stator/regulator), oil leaks from base gaskets or primary cover.

Oil Filter Part Number:

Typically Harley Davidson P/N 63731-37A or equivalent aftermarket

Air Filter Part Number:

Typically Harley Davidson P/N 29040-00 or equivalent aftermarket

📚 Vehicle History

Heritage:

Harley Davidson, founded in 1903, has a rich legacy in American motorcycling, evolving from small workshop beginnings to a global icon of freedom and the open road.

Heritage Softail Lineage:

The Softail platform, introduced in 1984, mimicked the look of a rigid frame with hidden rear suspension. The Heritage Softail models are specifically designed to evoke classic styling, particularly from the 1940s and 1950s.

Manufacturing Location:

United States

Production Years Flstci:

2000-2006 (FLSTCI variant)

🏆 Awards & Recognition

Brand Awards:

Harley Davidson has received numerous awards over its history for design, performance, and brand loyalty, consistently ranking high in customer satisfaction for cruiser motorcycles.

Consumer Ratings:

Highly rated by enthusiasts for its iconic styling, V-twin rumble, and comfortable ride for long distances.