🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXDL Dyna Low Rider

Year:

2004

Platform:

Dyna

Body Style:

Cruiser Motorcycle

Model Code:

FXDL

👋 Introduction

Positioning:

The Harley-Davidson Dyna Low Rider (FXDL) in 2004 was positioned as a classic cruiser with a more performance-oriented stance than some of its stablemates, appealing to riders seeking a blend of iconic styling and accessible V-twin performance.

Competitors:

Competed against models from Indian, Victory, and custom builders, as well as Japanese cruisers offering similar displacement and V-twin configurations.

Engine Configuration:

Air-cooled, Twin Cam 88 V-twin engine.

Suspension:

Low rider styling with typically lowered front forks and rear suspension.

Design Philosophy:

Emphasis on classic Harley-Davidson aesthetics with a focus on rider comfort and a capable powertrain for cruising.

Utility:

Essential for owners and technicians performing maintenance, repairs, and diagnostics on the 2004 FXDL Dyna Low Rider.

📋 Manual Details

Coverage:

Complete service and repair for Harley-Davidson FXDL Dyna Low Rider 2004 models.

Page Count:

Estimated 500-700 pages (typical for comprehensive service manuals of this era, actual may vary).

Manual Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

1450cc Twin Cam 88 V-Twin engine (carbureted models).

Fuel System:

Carburetor (Mikuni HSR42 or equivalent), fuel tank, fuel lines, fuel pump (if applicable).

Ignition System:

Electronic ignition, spark plugs, coils, wiring.

Transmission:

5-speed constant mesh transmission, clutch, primary drive, final drive.

Chassis Frame:

Frame inspection, welding, alignment, steering head bearings.

Suspension:

Front fork (telescopic, Showa), rear shock absorbers, linkage (if applicable).

Brakes:

Front and rear disc brakes, brake calipers, master cylinders, brake lines, hydraulic fluid specifications.

Electrical System:

Battery, charging system (alternator, regulator/rectifier), lighting (headlight, taillight, turn signals), starter motor, horn, electrical diagrams.

Bodywork Fenders:

Fenders, fuel tank, seat, handlebars, controls, wiring harness routing, fairings (if equipped).

Wheels Tires:

Wheel bearings, tire pressure, tire replacement, wheel balancing.

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, chain adjustment (if applicable), belt inspection.

Engine Rebuild:

Top-end rebuild (cylinder heads, pistons), bottom-end overhaul (crankshaft, connecting rods), gasket replacement.

Transmission Repair:

Clutch adjustment and replacement, gear inspection and replacement, bearing services.

Electrical Troubleshooting:

Diagnostic procedures for charging system, ignition, lighting, and starting circuits.

Brake Service:

Brake pad replacement, caliper service, brake bleeding, master cylinder overhaul.

Suspension Service:

Fork seal replacement, fork oil change, rear shock absorber replacement.

Carburetor Overhaul:

Disassembly, cleaning, reassembly, and adjustment of Mikuni HSR42 carburetor.

Wiring Diagrams:

Detailed electrical schematics for all systems.

Depth:

Comprehensive coverage from basic maintenance to complete engine and transmission rebuilds, including in-depth troubleshooting and diagnostic procedures.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchable Text:

Likely searchable text for efficient information retrieval.

Print Quality:

Optimized for digital viewing and printing, clear diagrams and text.

Binding Type:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 88 V-twin

Displacement:

88 cubic inches (1450 cc)

Bore X Stroke:

3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)

Compression Ratio:

8.8:1

Valve Train:

Overhead valves (OHV), 2 valves per cylinder.

Fuel Delivery:

Carburetor (Mikuni HSR42 for most markets)

Horsepower:

Approx. 65-70 HP (estimated, varies with tuning and dyno).

Torque:

Approx. 75-80 ft-lbs (estimated, varies with tuning and dyno).

Fuel Tank Capacity:

4.9 US gallons (18.5 L)

Engine Oil Capacity:

3.0 US quarts (2.8 L) with filter change.

Engine Oil Type:

Harley-Davidson Genuine V-Twin Oil SAE 20W-50 or equivalent API CG-4 rated oil.

Primary Chain Case Oil:

Harley-Davidson Genuine Primary Chain Lubricant or equivalent.

🔧 Transmission

Transmission Type:

5-speed, constant mesh

Gear Ratios:

1st: 10.110, 2nd: 6.706, 3rd: 4.945, 4th: 3.732, 5th: 3.150 (approximate, subject to revision).

Clutch Type:

Wet, multi-plate

Final Drive:

Carbon fiber belt drive

Transmission Oil Capacity:

2.4 US quarts (2.3 L)

Transmission Oil Type:

Harley-Davidson Genuine Formula + or equivalent SAE 85W-140 hypoid gear lubricant.

📐 Dimensions

Overall Length:

Approx. 90.5 in. (229.9 cm)

Wheelbase:

Approx. 63.5 in. (161.3 cm)

Seat Height Laden:

Approx. 26.5 in. (67.3 cm)

Ground Clearance:

Approx. 4.25 in. (10.8 cm)

Dry Weight:

Approx. 630 lbs (285.8 kg)

Gross Vehicle Weight Rating Gvwr:

Not typically specified, but refers to maximum allowable loaded weight.

🛡️ Safety Features

Crash Test Results:

Motorcycles are not subject to standardized crash testing like automobiles. Safety relies on design and rider skill.

Braking System:

Dual-disc front brakes, single-disc rear brake for stopping power.

Lighting:

Halogen headlight, LED taillight, amber front/rear turn signals.

Frame Construction:

Steel frame providing structural integrity.

Ergonomics:

Low rider ergonomics designed for rider comfort and control.

💡 Technology Features

Audio System:

Base models typically did not include a factory-installed audio system. Aftermarket options were common.

ABS:

Anti-lock Braking System (ABS) was typically an optional feature for this model and year, not standard.

Smart Device Integration:

Not applicable for the 2004 model year; no factory integration for smartphones or advanced digital connectivity.

🔧 Maintenance

First Service:

Typically around 1,000 miles (1,600 km) for initial oil and filter change, inspection of all fasteners and controls.

Subsequent Service:

Recommended every 5,000 miles (8,000 km) or annually, whichever comes first, for major services including engine oil, primary, and transmission fluid changes, and thorough inspections.

Spark Plug Replacement:

Recommended every 10,000-15,000 miles (16,000-24,000 km).

Drive Belt Inspection:

Inspect for wear and proper tension at every service interval.

Fork Oil Type:

Harley-Davidson Suspension Fluid (Type 1) or equivalent Harley-Davidson approved fork oil.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Twin Cam 88 Oil Breather:

Early Twin Cam 88 engines could experience oil blow-by. The manual will detail procedures for checking and potentially modifying the breather system.

Carburetor Tuning:

Mikuni HSR42 can require periodic adjustment for optimal performance and emissions.

Clutch Adjustment:

Clutch lever play may need adjustment over time due to cable stretch and clutch plate wear.

📚 Vehicle History

Harley Davidson Legacy:

Harley-Davidson boasts a long and storied history dating back to 1903, renowned for its V-twin engines and iconic cruiser styling.

Dyna Platform Introduction:

The Dyna platform was introduced in 1991, offering a rubber-mounted engine for reduced vibration compared to earlier rigid-mount frames. The FXDL (Dyna Low Rider) variant became a popular model within this line.

2004 Model Year:

The 2004 model year represented an evolution of the Twin Cam engine and Dyna platform, incorporating refinements and styling cues characteristic of the era.

🏆 Awards & Recognition

Market Reception:

The Dyna Low Rider was generally well-received for its styling, V-twin character, and comfortable riding position, appealing to the core Harley-Davidson customer base.