Segment:
Cruiser motorcycle segment, targeting riders seeking performance and customization
Competitors 2003:
Indian Chief, Yamaha Road Star, Kawasaki Vulcan, Honda Shadow
Platform:
Dyna platform characterized by its rigid frame and isolated engine mounting
Engine Heritage:
Evolution of the Harley-Davidson V-twin engine, offering increased displacement and power
Models Covered:
Harley-Davidson Dyna Glide models (FXD, FXDX, FXDXT, FXDWG, FXDC, FXDLI, FXDBI)
Total Pages:
Approximately 600+
Type:
Complete Workshop Service Repair Manual
Engine:
Twin Cam 88, Twin Cam 88B (carbureted and fuel-injected variants)
Transmission:
5-speed Cruise Drive Transmission
Drivetrain:
Primary drive, clutch, final drive belt
Chassis:
Frame, suspension (front forks, rear shocks), steering
Brakes:
Front and rear brake systems, hydraulic components
Electrical:
Ignition system, lighting, starting system, charging system, battery, instrumentation, wiring diagrams
Fuel System:
Carburetor (Keihin CV) and fuel injection (EFI) systems
Exhaust System:
Exhaust pipes, mufflers, heat shields
Wheels Tires:
Wheel specifications, tire mounting, balancing
Bodywork:
Fenders, fuel tank, seat, fairings, controls
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication, tune-ups
Troubleshooting:
Diagnostic procedures for common problems, fault finding charts
Repair:
Engine rebuilds, transmission overhauls, brake system repairs, electrical component replacement
Installation:
Component installation and removal procedures
Specifications:
Torque specifications, clearances, measurements
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds
Diagnostics:
Detailed diagnostic procedures, including electrical system troubleshooting with wiring diagrams
Rebuilds:
Step-by-step instructions for engine and transmission disassembly, inspection, and reassembly
File Type:
Portable Document Format (PDF)
Searchable:
Yes, fully text-searchable
Resolution:
High-resolution scans for clear text and images
Images:
Includes detailed diagrams, illustrations, and photographs
Binding:
N/A (Digital Download)
Paper:
N/A (Digital Download)
Engine Type:
Air-cooled, 45-degree V-twin, OHV, 4 valves per cylinder (2 per cylinder)
Engine Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Compression Ratio:
9.2:1 (typical)
Engine Variant B:
Twin Cam 88B (rubber-mounted for reduced vibration)
Horsepower:
Approx. 65-70 HP (at crank, depending on model and tuning)
Torque:
Approx. 75-80 lb-ft @ 3500 RPM (at crank, depending on model and tuning)
Carburetor Model:
Keihin CV 40mm
Efi System:
Electronic Fuel Injection (EFI) with closed-loop system (on specific models like FXDLI)
Ignition Type:
Distributorless electronic ignition with single fire coil
Oil Type Recommendation:
Harley-Davidson V-Twin Motor Oil SAE 20W-50 or equivalent API CI-4 rated oil
Oil Capacity Engine:
3.0 US qt. (2.8 L)
Transmission Type:
5-speed constant mesh, helical gear transmission
Transmission Gear Ratios:
1st: 9.312, 2nd: 6.446, 3rd: 4.703, 4th: 3.728, 5th: 3.207
Primary Drive:
Duplex chain, wet clutch
Final Drive:
Belt drive, 32/66T ratio
Clutch Type:
Wet, multi-plate, diaphragm spring
Transmission Fluid Type:
Harley-Davidson Formula+ Transmission/Primary Chaincase Lubricant (or equivalent SAE 50W motorcycle oil)
Transmission Fluid Capacity:
24 US fl oz. (0.7 L)
Overall Length:
Approx. 93.0 in. (2362 mm)
Wheelbase:
Approx. 63.0 in. (1600 mm)
Seat Height:
Approx. 26.5 in. (673 mm) (unladen)
Ground Clearance:
Approx. 4.7 in. (119 mm)
Dry Weight:
Approx. 637 lbs (289 kg) (varies by model)
Gross Vehicle Weight Rating:
Approx. 1030 lbs (467 kg)
Safety Standards:
Meets US EPA, DOT, and CARB emission standards for the model year
Brakes Type:
Hydraulic disc brakes front and rear
Front Brake Rotor:
Single 292 mm (11.5 in.) disc
Rear Brake Rotor:
Single 292 mm (11.5 in.) disc
Lighting:
Halogen headlamp, taillight, brake light, turn signals
Audio System:
Optional accessory audio systems may be available; base models typically do not include integrated infotainment.
ABS:
Anti-lock Braking System (ABS) was an optional feature on select 2003 Dyna models, not standard.
Connectivity Features:
No integrated Bluetooth or smartphone connectivity on standard 2003 models. Dealer-installed accessories may offer limited options.
First Service:
1,000 miles (1,600 km) or 6 months
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months thereafter
Engine Oil Grade:
SAE 20W-50 (Harley-Davidson V-Twin Motor Oil or equivalent)
Transmission Oil Grade:
SAE 50W (Harley-Davidson Formula+ or equivalent)
Primary Chaincase Oil Grade:
SAE 50W (Harley-Davidson Formula+ or equivalent)
Brake Fluid:
DOT 4 (minimum) hydraulic brake fluid
Common Issues:
Oil leaks from primary cover gasket, starter solenoid issues, rear brake caliper pin wear, valve seat wear (less common with Twin Cam).
Preventative Maintenance:
Regular inspection of belt tension and condition, checking for oil leaks, ensuring proper lubrication of pivot points.
Brand Establishment:
Founded in 1903, Harley-Davidson is an iconic American motorcycle manufacturer
Dyna Introduction:
The Dyna platform was introduced in 1991 as a successor to the defunct Sturgis model and earlier FXRs.
Twin Cam Introduction:
The Twin Cam 88 engine debuted in 1999, replacing the Evolution engine, and was fitted to all Harley-Davidson models by 2000.
Production Location:
Milwaukee, Wisconsin, USA and York, Pennsylvania, USA