🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXDLI Low Rider EFI Dyna

Year:

2004

Vehicle Type:

Motorcycle

Chassis Code Family:

Dyna

👋 Introduction

Segment:

Cruiser Motorcycle

Target Audience:

Owners, independent mechanics, and service departments working on Harley-Davidson Dyna models

Key Competitors Era:

Other American V-twin cruisers (e.g., Indian), some Japanese cruisers

Design Philosophy:

Classic cruiser styling with modern fuel injection and a focus on rider comfort and customization

Model Line Significance:

The Low Rider variant within the Dyna family offered a comfortable riding position and iconic styling.

📋 Manual Details

Primary Coverage:

Repair and overhaul of the 2004 Harley-Davidson FXDLI Low Rider EFI Dyna

Secondary Coverage:

Maintenance, troubleshooting, diagnostics, and component replacement

Estimated Pages:

Extensive (typical service manuals for this era are 500-800+ pages)

Type:

Service Manual / Workshop Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Twin Cam 88 (Fuel Injected) - detailed disassembly, assembly, timing, ignition, fuel delivery, lubrication, cooling (air-cooled components)

Transmission:

5-speed Cruise Drive - disassembly, assembly, gear inspection, clutch operation, final drive

Electrical System:

Wiring diagrams, charging system, starting system, lighting, ignition system, diagnostics, component testing

Chassis And Suspension:

Frame inspection, front fork (telescopic) overhaul, rear shock absorber replacement, wheel bearing service, steering head bearing service

Brakes:

Front and rear brake system overhaul, fluid replacement, pad replacement, caliper service, master cylinder service

Fuel System:

EFI system diagnostics, fuel pump, fuel filter, injectors, throttle body, ECM (Engine Control Module) operation

Exhaust System:

Exhaust pipe and muffler removal/installation, gasket replacement

Bodywork And Trim:

Fender removal/installation, fuel tank removal/installation, seat removal/installation, fairing/windshield components

Maintenance:

Scheduled maintenance (oil changes, filter replacements, spark plug checks), lubrication points, belt tension checks

Troubleshooting:

Diagnostic flowcharts for common and uncommon issues, symptom-based troubleshooting

Repair:

Complete engine rebuilds, transmission overhaul, suspension component replacement, electrical system repairs

Overhaul:

Detailed instructions for disassembly and reassembly of major components like engine, transmission, and forks

Diagnostics:

EFI system diagnostics, code reading (if applicable to the era's tooling), component testing procedures

Depth Level:

Comprehensive (covers from basic maintenance to complete engine and transmission rebuilds)

User Assumption:

Technician fully conversant with general motorcycle mechanics and workshop practices

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable (if professionally scanned/created)

Quality:

Variable (depends on source, but typically aims for clear text and legible diagrams)

Binding:

N/A (Digital PDF)

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Family:

Harley-Davidson Twin Cam 88

Engine Configuration:

45-degree V-twin

Displacement:

1450cc (88 cubic inches)

Bore X Stroke:

3.75 in x 3.97 in (95.25 mm x 100.8 mm)

Compression Ratio:

8.8:1

Valve Train:

Overhead valves (OHV), 2 valves per cylinder, pushrod actuated

Cooling System:

Air-cooled

Horsepower:

Approx. 65-70 HP (crankshaft, estimates vary)

Torque:

Approx. 75-80 lb-ft @ 3500 RPM (crankshaft, estimates vary)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI) - Keihin

Fuel Type:

Unleaded gasoline, minimum 87 octane

Ignition System:

Electronic Ignition (solid state)

🔧 Transmission

Type:

5-speed constant mesh, sequential manual

Gear Ratios:

1st: 9.312, 2nd: 6.455, 3rd: 4.783, 4th: 3.831, 5th: 3.152 (typical for Twin Cam 88)

Clutch:

Multi-plate, wet, diaphragm spring

Final Drive:

Belt drive (32mm width, 140-tooth belt)

Transmission Fluid Type:

Harley-Davidson Formula Plus (or equivalent SAE 75W-140 synthetic gear oil)

Transmission Fluid Capacity:

Approx. 32 fl oz (0.95 L)

📐 Dimensions

Length:

Approx. 93.5 in (2375 mm)

Width:

Approx. 37.3 in (947 mm)

Height:

Approx. 46.5 in (1181 mm)

Wheelbase:

Approx. 63.7 in (1618 mm)

Ground Clearance:

Approx. 4.8 in (122 mm)

Dry Weight:

Approx. 635 lbs (288 kg)

Gross Vehicle Weight Rating:

Approx. 1050 lbs (476 kg)

Fuel Tank Capacity:

5.0 US gallons (19 L)

🛡️ Safety Features

Safety Standards:

Meets applicable Federal Motor Vehicle Safety Standards (FMVSS) for motorcycles.

Brakes:

Dual front disc brakes with 4-piston calipers, single rear disc brake with 4-piston caliper.

Lighting:

Halogen headlamp, LED tail lamp, amber turn signals.

Frame Construction:

Steel, cradle frame with integrated swingarm.

Rider Ergonomics:

Forward-mounted foot controls, swept-back handlebars, low seat height for rider confidence.

💡 Technology Features

Instrumentation:

Analog speedometer, tachometer, fuel gauge, oil pressure light, neutral indicator, turn signal indicators, high beam indicator, engine diagnostic indicator.

Audio System:

No integrated audio system as standard on this model. Aftermarket options common.

ABS:

Anti-lock Braking System (ABS) was an optional feature for the FXDLI model in 2004. The manual would cover its operation and service if equipped.

Diagnostic Port:

Likely a proprietary diagnostic connector for dealer-level or specialized tool access for EFI diagnostics.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months (whichever comes first) - typically includes oil change, primary chain tension adjustment, general inspection.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months - includes oil change, filter replacement, inspection of various components (brakes, tires, suspension, belts, etc.).

Engine Oil Change Interval:

5,000 miles (8,000 km) or annually.

Primary Chain Tension Check:

Every 2,500 miles (4,000 km) or as needed based on noise.

Engine Oil Type:

Harley-Davidson SYN3 (Synthetic) or H-D 20W-50 motorcycle oil. API SG, SH, SJ rated.

Engine Oil Capacity:

Approx. 4 US quarts (3.8 L) with filter change.

Brake Fluid Type:

DOT 4

Fork Oil Type:

Harley-Davidson Type E (or equivalent SAE 10W fork oil)

Fork Oil Capacity:

Approx. 12.4 US fl oz (367 ml) per leg (specific to FXDLI)

Crankshaft Runout:

Some early Twin Cam engines experienced issues with crankshaft runout, potentially leading to premature bearing failure. This manual would detail checks and potential fixes.

Cam Chain Tensioners:

Evolution of cam chain tensioners from spring-loaded to hydraulic for later models; this manual would cover the 2004 setup and potential upgrades.

Efi System Quirks:

Early EFI systems can be sensitive to sensor readings; the manual details diagnostic procedures for common EFI-related drivability issues.

📚 Vehicle History

Brand Origin:

Harley-Davidson Motor Company, founded in Milwaukee, Wisconsin, in 1903.

Dyna Family Introduction:

The Dyna platform was introduced in 1991, evolving from earlier Harley-Davidson designs with a focus on a more rigid frame and improved handling.

Low Rider Heritage:

The 'Low Rider' nameplate has a long history within Harley-Davidson, dating back to the late 1970s, signifying a model designed for a lower, more accessible riding posture.

Production Period For Model:

The FXDLI Low Rider EFI Dyna was part of the Dyna line produced from the early 1990s through 2017. The Twin Cam 88 engine was used in many of these models.

Manufacturing Location:

Typically assembled in Milwaukee, Wisconsin, USA.

🏆 Awards & Recognition

Motorcycle Press Awards:

While specific awards for the 2004 FXDLI are rare, the Dyna platform and Twin Cam 88 engine were generally well-received by the motorcycle press for their blend of classic styling and evolving technology, contributing to Harley-Davidson's market dominance in the cruiser segment during this period.

Owner Satisfaction:

Generally high owner satisfaction for Harley-Davidson motorcycles of this era, known for their character, sound, and customization potential. The manual aids in maintaining this satisfaction.