Vehicle Segment:
Cruiser/Performance Cruiser
Target Audience:
Enthusiast riders seeking a blend of classic Harley styling with more aggressive performance and handling characteristics.
Competitors 2004:
Other Harley-Davidson Dyna models, some Indian Chief models, and performance-oriented Japanese cruisers.
Performance Focus:
The 'Sport' designation highlights its focus on improved handling and performance over more traditional cruisers.
Handling Enhancements:
Often features upgraded suspension components, dual front disc brakes, and a more aggressive riding position compared to other Dyna models.
Diy Support:
Essential for owners who perform their own maintenance and repairs, saving on dealership labor costs.
Diagnostic Tool:
Empowers riders to understand and diagnose issues, leading to more informed repair decisions.
Engine Service:
Engine assembly, disassembly, inspection, tuning, lubrication, cooling system, fuel system, exhaust system
Transmission Drivetrain:
Primary drive, transmission assembly, clutch operation, final drive (belt)
Chassis Suspension:
Frame inspection, front fork service (including cartridge type for FXDX), rear shock absorber and swingarm maintenance, wheel bearing service
Electrical System:
Battery maintenance, ignition system, lighting, starter system, charging system, instrument cluster, wiring diagrams, troubleshooting electrical faults
Braking System:
Front and rear brake caliper service, master cylinder overhaul, brake line replacement, ABS system (if equipped), brake fluid specifications
Fuel System:
Carburetor (Keihin CV) disassembly, cleaning, and adjustment, fuel pump, fuel lines, fuel tank service
Bodywork Fittings:
Fender removal and installation, fuel tank mounting, seat service, handlebar and control adjustments, fairing and saddlebag (if applicable) service
Routine Maintenance:
Oil changes, filter replacement, spark plug replacement, air filter service, lubrication points, belt tension adjustment
Troubleshooting Diagnostics:
Systematic diagnosis of common performance issues, electrical faults, and mechanical problems with step-by-step guides
Rebuild Procedures:
Complete engine rebuilds, transmission overhauls, and component-specific repair instructions with torque specifications
Electrical Diagnostics:
Use of multimeters, interpretation of wiring diagrams, fault code identification and resolution (where applicable)
Diagnostic Level:
Advanced diagnostic procedures, including troubleshooting charts and component testing
Repair Scope:
Comprehensive repair instructions, from minor adjustments to major component overhauls and replacements
Specification Detail:
Detailed torque specifications, clearances, fluid capacities, and component tolerances
Engine Family:
Evolution (Big Twin)
Engine Type:
Air-cooled V-twin, 45-degree cylinder angle
Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Horsepower:
Approximately 65-70 HP (estimated, actual may vary based on tuning and emissions)
Torque:
Approximately 70-75 ft-lbs @ 3200 RPM (estimated)
Fuel Delivery:
Carbureted (Harley-Davidson Keihin CV 40mm)
Fuel Type:
Unleaded gasoline, 91 octane (R+M)/2 or higher recommended
Camshafts:
Stock cam specifications will be detailed in the manual for timing and lift
Valve Train:
Pushrod-actuated overhead valves
Type:
5-speed constant mesh
Clutch:
Wet, multi-plate, diaphragm spring
Transmission Options:
N/A for stock 2004 FXDX
Primary Drive:
Duplex chain
Transmission Oil Type:
Harley-Davidson Formula+ Transmission & Primary Chaincase Lubricant or equivalent API GL-4 SAE 80W-90 gear oil
Transmission Oil Capacity:
Approximately 1 quart (0.95 L)
Length:
Approximately 90.4 inches (2296 mm)
Width:
Approximately 33.9 inches (861 mm)
Height:
Approximately 49.0 inches (1245 mm)
Wheelbase:
Approximately 63.4 inches (1610 mm)
Dry Weight:
Approximately 636 lbs (288 kg)
Gross Vehicle Weight Rating:
Approximately 1030 lbs (467 kg)
Saddlebags:
Optional, typically rigid or semi-rigid, capacity varies
Front Tire Size:
100/90-19 57H
Rear Tire Size:
160/70-17 73V
Front Wheel:
19-inch cast aluminum
Rear Wheel:
17-inch cast aluminum
Bolt Pattern:
5x114.3mm (typically for Harley-Davidson)
Crash Test Ratings:
N/A (Motorcycles are not subject to the same crash test ratings as automobiles)
Braking System:
Dual front disc brakes with 4-piston calipers, single rear disc brake with 4-piston caliper
ABS:
Anti-lock Braking System (ABS) was an optional feature for some Harley models in this era, check specific VIN.
Lighting:
Halogen headlight, LED taillight and brake light, amber turn signals
Frame Construction:
Steel tube frame for rigidity and handling
First Service:
Typically at 1,000 miles (1,600 km) for initial break-in service (oil change, filter, primary check, belt check)
Subsequent Oil Changes:
Every 5,000 miles (8,000 km) or annually, whichever comes first
Belt Tension Check:
Every 5,000 miles (8,000 km) or as per manual recommendation
Spark Plug Replacement:
Refer to manual, often around 10,000 - 15,000 miles (16,000 - 24,000 km)
Engine Oil Type:
Harley-Davidson SYN3 Synthetic Motorcycle Oil or equivalent SAE 20W-50 motorcycle specific engine oil.
Engine Oil Capacity:
Approximately 3 quarts (2.8 L) with filter change
Brake Fluid Type:
DOT 4 recommended for hydraulic brake systems.
Fork Oil Type:
Refer to manual for specific weight (e.g., 10W or 15W) and type (e.g., Showa SS-8 or equivalent)
Cam Chain Tensioners:
Hydraulic cam chain tensioners in earlier Twin Cam models (prior to 2007) could wear prematurely. The manual will detail inspection and replacement procedures.
Carburetor Tuning:
CV carburetors may require periodic adjustment for optimal performance due to altitude, fuel variations, or wear.
Charging System Issues:
Rotor and stator failures can occur, leading to charging problems. The manual provides diagnostic steps.
Oil Filter Part Number:
Commonly 63796-77A or equivalent aftermarket (refer to manual for exact fitment)
Air Filter Part Number:
Varies by filter type; manual will specify OE numbers or recommend types.
Harley Davidson Legacy:
Founded in 1903, Harley-Davidson is an iconic American motorcycle manufacturer known for its V-twin engines and distinctive styling.
Dyna Platform Introduction:
The Dyna platform was introduced in 1991, evolving from the earlier FXR models, offering a balance of handling and comfort.
Fxdx Positioning:
The FXDX Super Glide Sport was positioned as a more performance-oriented variant within the Dyna line, featuring upgraded suspension and brakes.
Production Period Fxdx:
The FXDX model was produced from 1999 to 2005.
Manufacturer Location:
USA (assembly typically in York, Pennsylvania or Milwaukee, Wisconsin)