Bike Segment:
Performance Cruiser / Sport Cruiser
Target Audience:
Riders seeking a sportier, more dynamic riding experience within the Harley-Davidson Dyna platform.
Competitors 2004:
Other performance-oriented cruisers from brands like Indian, Triumph, and select Japanese manufacturers.
Drivetrain:
Twin Cam 88 engine, 5-speed transmission, belt drive.
Suspension Tuning:
Often featured upgraded or more performance-oriented suspension components compared to standard Dynas.
Ergonomics:
Generally a more aggressive rider triangle with mid-mount controls and higher handlebars.
Braking System:
Dual front disc brakes, offering enhanced stopping power.
Engine:
Complete engine overhaul, tuning, diagnostics, timing, lubrication system, cooling system (air-cooled).
Transmission:
Transmission disassembly, assembly, inspection, maintenance, clutch, primary drive.
Electrical System:
Wiring diagrams, ignition system, lighting, charging system, starting system, instrumentation, diagnostic codes.
Suspension:
Front fork (telescopic, cartridge type) service and adjustment, rear shock absorber maintenance and replacement.
Brakes:
Front and rear brake system service, hydraulic components, caliper maintenance, rotor inspection, bleeding procedures.
Fuel System:
Carburetor (Keihin CV) service and tuning, fuel tank, fuel lines, fuel pump (if applicable).
Exhaust System:
Exhaust system inspection, replacement, gasket maintenance.
Frame And Bodywork:
Frame inspection, mounting points, fenders, saddlebags, fairing (if equipped), body panel removal and installation.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, belt tension checks, brake fluid changes.
Troubleshooting:
Diagnostic flowcharts, common problem identification and resolution, electrical fault finding.
Repair:
Step-by-step repair procedures for all major components and systems.
Disassembly Assembly:
Detailed instructions for component removal and reinstallation.
Specifications Torque:
Comprehensive torque specifications for critical fasteners.
Depth:
Comprehensive from basic maintenance to full engine rebuilds and complex electrical diagnostics.
Engine Family:
Harley-Davidson Twin Cam 88
Engine Type:
Air-cooled, 45-degree V-twin
Displacement:
1450 cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Horsepower:
Estimated 60-65 HP (at crankshaft)
Torque:
Estimated 70-75 ft-lbs (at crankshaft)
Fuel Delivery:
Carburetor (Keihin CV 40 mm)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Fuel Capacity:
4.8 U.S. gallons (18.2 liters)
Transmission Type:
5-speed constant mesh
Primary Drive:
Plated roller chain, 34/46 ratio
Final Drive:
Belt drive, 32/66 ratio
Clutch Type:
Wet, multi-plate, diaphragm spring
Transmission Fluid Type:
Harley-Davidson Formula+ (or equivalent SAE 50 transmission lubricant)
Transmission Fluid Capacity:
Approx. 2.8 U.S. quarts (2.6 liters)
Safety Ratings:
Not applicable in the same way as automobiles; adherence to design safety standards.
Braking System:
Dual front disc brakes with 4-piston calipers, single rear disc brake.
Suspension Tuning:
Performance-oriented suspension contributes to handling stability.
Lighting:
Halogen headlight, LED tail/brake light, turn signals.
Frame Construction:
Steel tubular frame for rigidity.
Infotainment System:
Base model; typically does not include integrated infotainment systems like audio or navigation. Focus is on mechanical and rider interface.
Driver Assistance:
No electronic rider aids such as ABS or traction control standard on this model year.
Connectivity:
No Bluetooth or smartphone integration.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, oil pressure gauge, and indicator lights.
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first.
Primary Chain Tension Check:
Every 5,000 miles (8,000 km).
Spark Plug Replacement:
Every 10,000 miles (16,000 km) or as needed.
Brake Fluid Change:
Every 2 years or as per manual recommendation.
Engine Oil Type:
Harley-Davidson 20W-50 SYN3 (Synthetic) or equivalent motorcycle-specific 20W-50 oil.
Engine Oil Capacity:
Approx. 3.0 U.S. quarts (2.8 liters) with filter change.
Brake Fluid Type:
DOT 4 Hydraulic Fluid (for clutch and brake systems).
Chassis Lubrication Points:
Swingarm pivot, wheel bearings, control cables, clutch lever pivot, throttle cables, Jiffy stand pivot.
Cam Chain Tensioner:
Early Twin Cam 88 engines (pre-2007) used plastic cam chain tensioners that could wear, leading to potential engine damage. Replacement with hydraulic tensioners or updated components is recommended.
Carburetor Tuning:
Keihin CV carburetor can sometimes require fine-tuning for optimal performance, especially after modifications or at different altitudes.
Rear Belt Tension:
Improper rear belt tension can lead to premature wear of the belt and sprockets.
Brand History:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser-style motorcycles.
Dyna Platform Introduction:
The Dyna platform was introduced in 1991, evolving from the previous Big Twin Softail models, known for its separated engine and transmission mounting for a more vintage feel.
Fxdx Introduction:
The FXDX Super Glide Sport was introduced to offer a sportier, more performance-oriented variant within the Dyna lineup, featuring upgraded suspension and braking.
Production Years:
FXDX: 1999-2005
Manufacturing Location:
United States (Milwaukee, Wisconsin)
Motorcycle Awards:
While specific awards for the 2004 FXDX are not widely documented, the Dyna platform has consistently been recognized for its blend of classic Harley-Davidson styling and improved handling characteristics.
Customer Satisfaction:
Generally well-regarded by owners for its performance and customization potential within the Harley-Davidson ecosystem.
Certification Standards:
Manufactured to meet all applicable US Federal Motor Vehicle Safety Standards (FMVSS) for motorcycles.
