Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson owners, DIY mechanics, repair shops
Differentiation:
Provides in-depth technical knowledge specific to the 2003 Dyna Wide Glide, essential for accurate repairs and maintenance.
Essential Resource:
Indispensable for maintaining the performance, reliability, and longevity of a 2003 Harley-Davidson FXDWG.
Cost Saving:
Enables owners to perform a significant portion of maintenance and repairs themselves, saving on labor costs.
Instant Access:
Immediate download eliminates shipping delays and costs.
Primary Coverage:
Repair, Maintenance, Troubleshooting, Diagnostics
Secondary Coverage:
Component Identification, Specifications, Electrical Diagrams
Type:
Workshop Service Manual
Format:
PDF (Digital Download)
Engine:
Twin Cam 88, Carbureted, Twin Cam 88B (Balanced)
Fuel System:
Carburetor Tuning and Overhaul (CV Carburetor), Fuel Tank and Lines
Ignition System:
Electronic Ignition, Coil, Spark Plugs, Wiring
Transmission:
5-Speed Cruise Drive Transmission, Clutch, Primary Drive
Chassis:
Frame, Swingarm, Front Forks, Rear Shocks, Bearings
Braking System:
Front and Rear Brakes, Master Cylinders, Calipers, Hoses, Pads
Electrical System:
Wiring Diagrams, Battery, Charging System, Lighting, Gauges, Switches, Starter
Bodywork:
Fenders, Fuel Tank, Seat, Handlebars, Controls, Footpegs
Wheels And Tires:
Wheel Removal and Installation, Tire Inspection and Replacement, Bearings
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Chain/Belt Adjustment (if applicable), Brake Bleeding, Lubrication
Troubleshooting:
Diagnostic Charts, Symptom-Based Problem Solving
Repair:
Engine Overhaul, Transmission Rebuild, Fork Seal Replacement, Brake System Repair, Electrical Component Replacement
Disassembly Assembly:
Step-by-step instructions for major component removal and installation
Specifications:
Torque Values, Clearances, Fluid Capacities, Electrical Resistances
Depth:
Comprehensive from basic routine maintenance to major engine and transmission overhauls
Diagnostics:
Detailed troubleshooting guides for electrical and mechanical issues
Rebuilds:
Complete rebuild procedures for engine, transmission, and other major components
Engine Type:
Air-cooled, Evolution, V-twin
Engine Family:
Twin Cam 88
Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Horsepower Approximate:
60-70 HP (estimated, varies with tuning)
Torque Approximate:
75-85 ft-lbs (estimated, varies with tuning)
Fuel Delivery:
Carbureted (Harley-Davidson Constant Velocity - CV)
Carburetor Model:
Keihin CV Carburetor (e.g., CV40)
Fuel Type:
Unleaded Gasoline, minimum 87 octane
Oil Type:
Harley-Davidson SYN3 or equivalent V-Twin specific synthetic motorcycle oil (refer to manual for exact specs)
Oil Capacity:
Approx. 3.5 quarts (3.3 liters) with filter change (verify in manual)
Type:
5-speed constant mesh, helical gears
Primary Drive:
Duplex chain, 1.402:1 ratio
Final Drive:
Belt drive, 3.15:1 ratio
Clutch Type:
Wet, multi-plate
Transmission Oil Type:
Harley-Davidson Formula+ or equivalent (refer to manual for exact specs)
Transmission Oil Capacity:
Approx. 2.8 quarts (2.6 liters) (verify in manual)
Length:
Approx. 94.3 inches (2395 mm)
Width:
Approx. 36.0 inches (914 mm)
Height:
Approx. 49.0 inches (1245 mm)
Seat Height Unladen:
Approx. 26.5 inches (673 mm)
Ground Clearance:
Approx. 4.5 inches (114 mm)
Dry Weight:
Approx. 597 lbs (271 kg)
Gross Vehicle Weight Rating:
Not explicitly stated, but exceeds dry weight
Fuel Capacity:
5.0 gallons (19 liters)
Safety Certification:
Meets FMVSS standards for motorcycles
Brakes:
Dual-piston front caliper with 292mm disc, Single-piston rear caliper with 292mm disc
Suspension:
Telescopic front forks, adjustable rear shock absorbers
Lighting:
Headlight, Taillight, Turn Signals, Brake Light
Instrumentation:
Speedometer, Tachometer, Fuel Gauge, Oil Pressure Warning Light, Voltage Meter
Audio System:
Optional accessory radio and speaker systems were available.
Instrumentation Features:
Analog gauges for speed, RPM, fuel level, and oil pressure warning light.
ABS:
Anti-lock Braking System (ABS) was not standard equipment on this model but may have been an option or added later.
Connectivity Features:
No integrated Bluetooth or smartphone connectivity as standard.
Initial Service:
First service typically at 1,000 miles (1,600 km) or 3 months.
Regular Oil Change:
Every 2,500-5,000 miles (4,000-8,000 km) or 6-12 months (refer to manual for specific oil type intervals).
Spark Plug Replacement:
Typically every 10,000-15,000 miles (16,000-24,000 km).
Belt Tension Check:
Check at every 5,000 miles (8,000 km) or annually.
Engine Oil Spec:
Harley-Davidson SYN3 or equivalent SAE 20W-50 Synthetic (verify with manual).
Transmission Oil Spec:
Harley-Davidson Formula+ or equivalent (verify with manual).
Primary Chain Case Oil Spec:
Harley-Davidson Formula+ or equivalent (verify with manual).
Brake Fluid Spec:
DOT 4 (verify with manual for specific system requirements).
Cam Chain Tensioner Wear:
Early Twin Cam 88 models could experience wear on the cam chain tensioners, leading to potential noise or damage. Upgrade kits are available.
Carburetor Issues:
CV carburetors can sometimes develop issues with idle stability or jetting if not properly maintained or adjusted.
Primary Drive Belt Wear:
The primary drive belt requires regular inspection for wear and proper tensioning.
Heritage:
Harley-Davidson has a long-standing heritage in motorcycle manufacturing, known for its V-twin engines and custom styling.
Dynafamily Introduction:
The Dyna platform was introduced in 1991, evolving over the years with various engine and styling updates.
Wide Glide Heritage:
The Wide Glide styling, characterized by its extended front fork rake and narrower rear profile, has been a signature element since its inception in the 1980s.
Production Era:
2003 marked a continuation of the Dyna platform featuring the Twin Cam 88 engine, a significant development from the previous Evolution engine.