Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson owners and independent repair shops seeking detailed technical information.
Manual Quality:
Considered a primary source document by technicians, offering accuracy and detail often surpassing generic repair guides.
Uniqueness:
Specific to the Dyna platform and the EFI variant, covering proprietary Harley-Davidson systems.
Value Proposition:
Enables owners to perform complex maintenance and repairs, saving costs and ensuring proper vehicle upkeep.
Engine:
1450cc Twin Cam 88 V-Twin, Carburetor and EFI system troubleshooting, ignition system, lubrication system, cooling system (air-cooled specifics)
Transmission:
5-speed Cruise Drive transmission service, clutch operation and adjustment, gear shifting mechanisms
Electrical:
Wiring diagrams, lighting system, battery and charging system, ignition system, starter motor, fuel injection system electronics, instrument cluster, diagnostic codes
Chassis:
Frame inspection and repair, front fork and suspension service, rear shock absorber replacement, steering system maintenance, wheel and tire service, brake system overhaul (front and rear disc brakes)
Fuel System:
Fuel tank service, fuel pump diagnosis, fuel injectors, throttle body service, EFI control module (ECM) diagnostics
Bodywork:
Fender removal and installation, fuel tank removal and installation, seat service, handlebar and control assembly, exhaust system service
Maintenance:
Routine servicing, oil changes, filter replacement, spark plug replacement, belt tensioning, brake fluid flush, tire pressure checks, battery maintenance
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation, electrical system troubleshooting charts, engine performance issues
Repair:
Component disassembly and reassembly, rebuild procedures for engine and transmission components, brake caliper overhaul, suspension component replacement
Technical Specifications:
Torque specifications for all fasteners, engine and transmission fluid capacities and types, electrical component specifications, dimensional data
Depth:
Comprehensive from basic routine maintenance to advanced engine and electrical system diagnostics and repair.
Engine Type:
Air-cooled, 45-degree V-twin, pushrod actuated valves
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 (est. at crank)
Torque:
Approximately 76-80 ft-lbs @ 3500 RPM (est. at crank)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded Premium Gasoline (91+ Octane Recommended)
Ignition Type:
Electronic ignition, single fire
Oil Capacity:
Approximately 3.0 US quarts (2.8 Liters) with filter change.
Oil Type:
Harley-Davidson SYN3 (SAE 20W-50) or equivalent motorcycle-specific synthetic oil meeting Harley-Davidson specifications.
Type:
5-speed Cruise Drive constant mesh, helical gears
Optional Transmissions:
N/A for this specific model
Clutch Type:
Multi-plate, wet, diaphragm spring
Primary Drive:
Duplex chain, 1.400 ratio
Final Drive:
Belt drive, 32/66 tooth sprockets, 3.15:1 ratio
Transmission Oil Capacity:
Approximately 2.5 US quarts (2.4 Liters)
Transmission Oil Type:
Harley-Davidson Genuine Formula + Transmission and Primary Chaincase Lubricant (or equivalent meeting HD spec)
Length:
Approx. 95.1 inches (2415.5 mm)
Wheelbase:
Approx. 65.5 inches (1663.7 mm)
Seat Height:
Approx. 26.5 inches (673.1 mm) (unladen)
Ground Clearance:
Approx. 4.7 inches (119.4 mm)
Dry Weight:
Approx. 612 lbs (277.6 kg)
Gross Vehicle Weight Rating Gvwr:
Approx. 1050 lbs (476.3 kg)
Fuel Capacity:
5.0 US gallons (18.9 Liters)
Safety Ratings:
Motorcycle safety is primarily determined by rider skill and adherence to safe riding practices. No formal crash test ratings apply in the same way as passenger cars.
Braking System:
Dual-action, four-piston front caliper with 292mm disc; Dual-action, two-piston rear caliper with 292mm disc.
Tires:
Tubeless, bias-ply construction. Front: MH90-21; Rear: 160/70-17
Lighting:
Halogen headlamp, LED tail lamp, standard front and rear turn signals.
Frame:
Mild steel, tubular, with front and rear downtubes.
Initial Service:
1,000 miles (1,600 km)
Subsequent Service:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first.
Engine Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months.
Engine Oil Specification:
Harley-Davidson SYN3 (SAE 20W-50) or equivalent
Transmission Oil Specification:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant
Primary Chaincase Oil Specification:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant
Brake Fluid Specification:
DOT 4 (refer to manual for specific Harley-Davidson part numbers)
Fork Oil Specification:
Refer to manual for weight and type (e.g., Spectro Heavy Duty 10W or equivalent)
Common Issues:
Potential for oil leaks from primary or engine seals, charging system issues (stator/regulator), clutch drag, electrical connector corrosion, cam chain tensioner wear (especially on earlier Twin Cam engines, though less prevalent by 2004, still a consideration).
Efi System Considerations:
Throttle position sensor (TPS) calibration, idle air control (IAC) valve cleaning/replacement, sensor failures (MAP, O2 if applicable).
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and distinct cruiser styling.
Dyna Lineage:
The Dyna line, introduced in 1991, was known for its blend of classic styling with modern rubber-isolated powertrains, offering a more refined ride compared to earlier Big Twins.
Wide Glide Heritage:
The Wide Glide designation historically signifies a more raked-out front end, longer fork, and often custom-inspired styling cues, like the characteristic flame paint schemes offered in this era.
Manufacturing Location:
United States (Milwaukee, Wisconsin and Kansas City, Missouri)
Production Years For Fxwdwgi:
2004-2005
