Category:
Cruiser Motorcycle
Target Audience:
Harley-Davidson owners, independent repair shops, motorcycle technicians.
Segment:
Large-displacement V-twin cruiser segment.
Competitors:
Indian Chief, various metric V-twin cruisers from Japanese manufacturers.
Vehicle Essence:
Classic American cruiser styling with a focus on rider comfort and V-twin character.
Manual Value:
Provides essential knowledge for maintaining and repairing a popular Harley-Davidson model.
Engine:
Complete engine service, diagnosis, and repair for Twin Cam 88 engines.
Fuel System:
Carburetor (Keihin CV) service, tuning, and troubleshooting; fuel injection (EFI) systems if applicable to specific models.
Ignition System:
Ignition module, coil, spark plugs, wiring, and troubleshooting.
Transmission:
5-speed Cruise Drive transmission service, rebuild, and adjustments.
Drivetrain:
Primary drive, clutch, belt drive, and final drive servicing and inspection.
Brakes:
Front and rear brake systems, including caliper, master cylinder, lines, pads, and bleeding procedures.
Suspension:
Front forks (39mm, 41mm, or others depending on specific FXD variant), rear shock absorbers, and related adjustments/rebuilds.
Electrical System:
Wiring diagrams, battery, charging system, lighting, starter, and accessory circuits.
Frame And Body:
Frame inspection, body panel removal/installation, fenders, fuel tank, seat, and handlebars.
Wheels And Tires:
Wheel bearing service, tire replacement, and wheel balance.
Controls:
Throttle, clutch, and brake lever adjustments and servicing.
Exhaust System:
Exhaust component inspection and replacement.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting guides.
Repair Overhaul:
Detailed step-by-step instructions for component disassembly, repair, and reassembly.
Diagnosis:
Methods for diagnosing common and complex issues across all vehicle systems.
Adjustments:
Precise adjustment procedures for critical components like clutch, throttle, and brakes.
Wiring Diagrams:
Comprehensive electrical wiring schematics.
Depth:
Comprehensive, covering basic to advanced repairs and complete overhauls.
Diagnostics Level:
Advanced diagnostic procedures, including electrical system tracing and component testing.
Rebuild Instructions:
Detailed instructions for engine, transmission, and brake caliper rebuilds.
Engine Family:
Harley-Davidson Twin Cam 88
Engine Type:
Air-cooled, 45-degree V-twin, pushrod actuated overhead valves
Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.0 in. (95.25 mm x 101.6 mm)
Compression Ratio:
Approx. 8.5:1
Cooling System:
Air-cooled
Horsepower:
Approx. 65-70 HP (at crankshaft, estimated for 2004 models)
Torque:
Approx. 80-85 ft-lbs (at crankshaft, estimated for 2004 models)
Carburetor:
Keihin CV (Constant Velocity) 40mm
Fuel Type:
Unleaded gasoline, minimum 87 octane
Fuel Capacity:
Approx. 4.0 - 5.0 US gallons (model dependent)
Transmission Type:
5-speed Manual Constant Mesh
Gear Ratios:
Specific ratios available in manual, typically: 1st: 9.312, 2nd: 6.685, 3rd: 4.877, 4th: 3.750, 5th: 3.178 (subject to variation)
Clutch Type:
Wet, multi-plate
Primary Drive:
Duplex chain
Fluid Type:
Harley-Davidson Formula + Transmission, Lubricant, Primary Chain Case
Fluid Capacity:
Approx. 24 US fl oz (710 ml) for primary chain case.
Length:
Approx. 93.0 in. (2362 mm)
Width:
Approx. 37.0 in. (940 mm)
Height:
Approx. 50.0 in. (1270 mm)
Wheelbase:
Approx. 63.5 in. (1613 mm)
Ground Clearance:
Approx. 4.7 in. (119 mm)
Dry Weight:
Approx. 605 lbs (274 kg)
Gross Vehicle Weight Rating:
Approx. 1075 lbs (488 kg)
Payload Capacity:
Approx. 470 lbs (213 kg)
Gvwr Wet:
Approx. 667 lbs (303 kg)
Safety Certification:
Not typically rated by NHTSA/Euro NCAP; relies on inherent design and owner maintenance.
Braking System:
Dual front disc brakes, single rear disc brake.
Suspension Stability:
Dyna frame design contributing to stability.
Lighting:
Halogen headlight, LED taillight, turn signals.
Frame Construction:
Steel frame for rigidity.
Audio System:
Optional factory or aftermarket audio systems available; not standard on all models.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, oil pressure indicator, and warning lights.
ABS:
Anti-lock Braking System (ABS) was an optional feature for some 2004 Dyna models, check specific VIN.
Usb Ports:
N/A (No factory USB ports on this model year)
Bluetooth:
N/A (No factory Bluetooth on this model year)
Initial Service:
First service typically at 1,000 miles (1600 km).
Regular Maintenance:
Subsequent service intervals generally every 5,000 miles (8000 km) or annually, whichever comes first, for oil changes and inspections.
Engine Oil Change:
Every 5,000 miles (8000 km) or annually.
Primary Chain Case Oil Change:
Every 5,000 miles (8000 km) or annually.
Transmission Oil Change:
Every 10,000 miles (16000 km) or annually.
Spark Plug Replacement:
Typically every 10,000-15,000 miles (16,000-24,000 km).
Engine Oil Type:
Harley-Davidson SYN3 Full Synthetic Motorcycle Oil (or equivalent high-quality motorcycle specific 20W-50 mineral or synthetic)
Engine Oil Capacity:
Approx. 4 US quarts (3.8 liters) with filter change.
Primary Chain Case Fluid:
Harley-Davidson Formula + Transmission, Lubricant, Primary Chain Case.
Transmission Fluid:
Harley-Davidson Formula + Transmission, Lubricant, Primary Chain Case (or recommended 75W-90 gear oil).
Cam Chain Tensioner:
Early Twin Cam 88 engines (pre-2007) are known for hydraulic cam chain tensioner wear, which can lead to engine damage if not addressed. Upgraded tensioners or conversion kits are available.
Starter Solenoid:
Occasional starter solenoid failures can occur.
Carburetor Tuning:
Keihin CV carburetor may require periodic adjustments for optimal performance due to environmental factors or wear.
Rear Wheel Alignment:
Importance of proper rear wheel alignment for tire wear and handling.
Brand Foundation:
Founded in 1903 in Milwaukee, Wisconsin, USA. Iconic American motorcycle manufacturer.
Dyna Lineage:
The Dyna line was introduced in 1991, offering a blend of classic styling and modern performance. The FXD Super Glide was a foundational model in this platform.
Twin Cam Introduction:
The Twin Cam 88 engine was introduced in 1999, replacing the Evolution engine, and was standard on the Dyna line by 2000.
Production Period:
The Dyna platform was produced from 1991 to 2017, being replaced by the Softail platform.
Assembly Location:
Typically assembled in the United States.