Positioning:
Harley-Davidson's Dyna platform represented a more performance-oriented cruiser within their lineup, offering a balance of classic styling and modern engineering. The FXDC (Super Glide Custom) was typically a well-appointed model with custom touches.
Competitors:
Competed with other V-twin cruiser manufacturers such as Indian Motorcycle, Victory Motorcycles, and Japanese manufacturers offering V-twin cruisers like Yamaha (Star series), Honda (Shadow series), and Kawasaki (Vulcan series).
Vehicle Highlights:
Iconic Harley-Davidson V-twin engine, characteristic rumble and torque, custom styling elements (e.g., chrome accents, specific seat designs, handlebars), comfortable riding position for cruising.
Engine And Powertrain:
Complete engine teardown and rebuild, fuel injection systems, ignition systems, exhaust systems, transmission and clutch operation, final drive.
Chassis And Suspension:
Frame inspection and repair, front forks (e.g., telescopic fork maintenance, seal replacement), rear shock absorbers, swingarm, wheel bearings, steering head bearings.
Brakes:
Front and rear brake systems (hydraulic), caliper overhaul, master cylinder service, brake line replacement, ABS system (if equipped).
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), lighting system (headlight, taillight, turn signals), ignition switch, wiring diagrams, diagnostic trouble codes (DTCs).
Body And Trim:
Fenders, fuel tank removal and installation, seat removal, handlebar assembly, fairings (if applicable), cosmetic component replacement.
Maintenance:
Scheduled maintenance (oil changes, filter replacements, spark plug replacement), lubrication points, tire pressure checks, brake fluid flushes.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting charts, electrical diagnostic flowcharts.
Repair And Rebuild:
Step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly. Includes torque specifications for critical fasteners.
Special Tools:
Identification and usage of specialized tools required for specific procedures (e.g., flywheels puller, bearing installers).
Depth:
Expert-level, suitable for professional mechanics and experienced DIY enthusiasts. Covers full disassembly and reassembly of all major components.
Engine Type:
Air-cooled, Twin Cam 96 V-Twin
Displacement:
96 cubic inches (1584 cc)
Bore X Stroke:
3.75 in. x 4.38 in. (95.3 mm x 111.3 mm)
Horsepower:
Approx. 70-75 HP (at crankshaft, estimates vary)
Torque:
Approx. 96-100 lb-ft @ 3000 RPM (at crankshaft, estimates vary)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Oil System:
Dry-sump lubrication with integrated oil tank.
Cooling Method:
Air-cooled
Length:
Approx. 91.9 in. (2334 mm)
Width:
Approx. 36.4 in. (925 mm)
Height:
Approx. 49.4 in. (1255 mm)
Dry Weight:
Approx. 640 lbs (290 kg)
Gvwr:
Approx. 1075 lbs (488 kg)
Front Tire:
130/90B16 67H
Wheelbase:
Approx. 64.2 in. (1630 mm)
Fuel Tank Capacity:
5.0 gal (18.9 L)
Ground Clearance:
Approx. 4.5 in. (114 mm)
Crash Safety Standards:
Motorcycles are not subject to standardized car crash testing. Safety focuses on rider protection through vehicle design and braking systems.
Braking System:
Hydraulic disc brakes front and rear. Optional ABS (Anti-lock Braking System) may have been available on some models/trims.
Lighting:
Halogen headlight, taillight, brake light, and turn signals for visibility.
Frame Construction:
Steel frame designed for stability and handling.
Ergonomics:
Rider-focused seating position and control layout to reduce fatigue.
Audio System:
Optional AM/FM radio with CD player or MP3 input, often integrated into the handlebar/fairing assembly depending on specific FXDC trim/options.
Gauges And Displays:
Analog speedometer, tachometer, fuel gauge, and indicator lights. Often includes a trip meter and gear indicator.
ABS Availability:
Anti-lock Braking System (ABS) was an optional feature and may not be standard on all FXDC models from these years.
Cruise Control:
Electronic cruise control was an available option on many Dyna models of this era.
Engine Oil Change:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Transmission Oil Change:
Every 10,000 miles (16,000 km) or 24 months.
Primary Chain Case Oil Change:
Every 10,000 miles (16,000 km) or 24 months.
Spark Plug Replacement:
Every 10,000 miles (16,000 km).
Drive Belt Tension Check:
Every 5,000 miles (8,000 km).
Engine Oil Type:
Harley-Davidson recommends SYN3 (Synthetic) SAE 20W-50 or equivalent API CI-4 or higher (for air-cooled V-twins).
Transmission Fluid Type:
Harley-Davidson Formula+ Transmission Fluid (or equivalent GL-4 SAE 80W-90 gear oil).
Primary Chain Case Fluid Type:
Harley-Davidson Formula+ Transmission Fluid (or equivalent Type 'E' primary chain case oil).
Brake Fluid Type:
DOT 4 brake fluid.
Common Wear Items:
Clutch plates, brake pads, wheel bearings, fork seals, drive belt wear.
Engine Related Considerations:
Some Twin Cam engines can experience issues with cam chain tensioners (CTs), oil leaks, or potential crank runout if not properly maintained or modified. The manual will detail checks and solutions.
Electrical Quirks:
While generally robust, electrical connections and battery terminals require regular inspection for corrosion and proper seating.
Harley Davidson Legacy:
Founded in 1903, Harley-Davidson is an iconic American motorcycle manufacturer with a long history of producing V-twin powered motorcycles known for their distinctive sound, style, and customization potential.
Dyna Platform Introduction:
The Dyna platform was introduced in 1991, evolving from earlier Harley-Davidson Big Twin models. It was characterized by its rubber-mounted engine to reduce vibration and its dual-shock rear suspension.
Fxdf Custom Variant:
The FXDC (Super Glide Custom) typically featured a blend of classic styling with more upscale finishes and custom details compared to the base Super Glide model. Over the years, the Dyna line saw continuous refinement in engine technology, suspension, and features.
Manufacturing Location:
Primarily manufactured in the United States (e.g., York, Pennsylvania; Milwaukee, Wisconsin).
End Of Production:
The Dyna platform was discontinued by Harley-Davidson after the 2017 model year, with many of its characteristics and technologies being integrated into the updated Softail platform.