Segment:
Iconic American cruiser, known for its distinctive styling and V-twin engine.
Key Competitors:
Indian Chief, Victory Kingpin (during its production).
Styling:
Signature wide whitewall tires, chrome accents, teardrop fuel tank, and chrome-shrouded front fork.
Riding Experience:
Comfortable, relaxed riding posture ideal for cruising.
Engine Service:
Detailed procedures for engine disassembly, assembly, inspection, and repair.
Transmission Service:
Complete overhaul and maintenance of the transmission system.
Fuel System:
Diagnosis and repair of fuel injection, carburetors (if applicable), fuel pump, and lines.
Electrical System:
Wiring diagrams, troubleshooting for lights, ignition, charging system, starter, and accessories.
Brake System:
Service and repair for hydraulic brakes, ABS (if equipped), and related components.
Suspension And Steering:
Fork service, shock absorber replacement, steering head bearing maintenance.
Frame And Body:
Frame inspection, body panel removal and installation, cosmetic repairs.
Exhaust System:
Inspection and replacement of exhaust components.
Wheel And Tire:
Wheel bearing maintenance, tire replacement, balancing.
Preventative Maintenance:
Regularly scheduled maintenance tasks, fluid changes, filter replacements.
Troubleshooting:
Diagnostic flowcharts and common problem solutions.
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment.
Diagnostic Tests:
Procedures for testing various system components and performance.
Torquing Specifications:
Precise torque values for all critical fasteners.
Special Tool Requirements:
Identification and usage of specific Harley-Davidson tools.
Depth Level:
Comprehensive, from basic service to complete engine rebuilds and electrical diagnostics.
Engine Family:
Twin Cam 103
Engine Displacement:
1690 cc (103 cubic inches)
Engine Configuration:
Air-cooled, 45-degree V-twin
Bore X Stroke:
3.875 in x 4.380 in (98.4 mm x 111.3 mm)
Horsepower Est:
Approx. 75-80 HP @ 5000 RPM (Subject to specific tuning)
Torque Est:
Approx. 100-105 lb-ft @ 3500 RPM (Subject to specific tuning)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline
Cooling Method:
Air-cooled
Valve Actuation:
Pushrod-actuated, overhead valves with hydraulic lifters
Ignition Type:
High-performance, electronic ignition
Transmission Type:
6-speed Cruise Drive
Gear Ratios:
Refer to manual for specific ratios (e.g., 1st: 9.312, 2nd: 6.295, 3rd: 4.787, 4th: 3.779, 5th: 3.287, 6th: 2.794)
Clutch Type:
Multi-plate, wet clutch
Final Drive:
Carbon belt drive
Transmission Features:
Smoother shifting, reduced engine RPM at highway speeds.
Transmission Fluid Type:
Harley-Davidson transmission oil or equivalent (e.g., Syn3 Synthetic)
Transmission Fluid Capacity:
Approx. 2.7 US quarts (2.6 Liters)
Length:
93.9 in (2385 mm)
Height:
47.7 in (1212 mm)
Wheelbase:
64.5 in (1638 mm)
Ground Clearance:
5.0 in (127 mm)
Dry Weight:
684 lbs (310 kg)
Gross Vehicle Weight Rating Gvwr:
1160 lbs (526 kg)
Fuel Capacity:
5.0 US gallons (19 Liters)
Front Wheel:
16-inch cast aluminum, chrome
Rear Wheel:
16-inch cast aluminum, chrome
Crash Test Ratings:
Motorcycles are not typically rated in the same manner as automobiles. Safety is evaluated through design and rider aids.
ABS:
Available on some models/optional
Braking System:
Dual-disc front, single-disc rear with hydraulic actuation.
Lighting:
Halogen headlamp, LED taillight, amber turn signals.
Chassis Design:
Low center of gravity for stability.
Audio System:
Optional accessory audio system with AM/FM radio and CD/MP3 player.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, voltage meter, and indicator lights.
Cruise Control:
Electronic Cruise Control available as an option.
Connectivity Features:
Limited by design, primarily focused on mechanical and functional aspects rather than digital connectivity.
First Service:
1,000 miles (1600 km) or 6 months
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months thereafter.
Engine Oil Change:
Every 5,000 miles (8,000 km) or annually.
Engine Oil Type:
Harley-Davidson Genuine V-Twin Synthetic 20W-50 or equivalent.
Engine Oil Capacity:
Approx. 4.0 US quarts (3.8 Liters) with filter change.
Primary Chain Case Oil Type:
Harley-Davidson Genuine Primary Chain Case Lubricant or Syn3.
Primary Chain Case Oil Capacity:
Approx. 1.0 US quart (0.95 Liters).
Common Wear Items:
Clutch plates, brake pads, tires, spark plugs.
Potential Issues:
Leaking primary or transmission seals (requires manual guidance for repair), electrical connection corrosion (addressed in manual troubleshooting).
Oil Filter Part Number:
63731-98 or equivalent.
Manufacturer:
Harley-Davidson Motor Company, founded in 1903.
Brand Philosophy:
Building custom motorcycles for American individualism and freedom.
Fat Boy Introduction:
First introduced in 1990.
Fat Boy Design Influence:
Inspired by the post-WWII military surplus era, particularly the Harley-Davidson XA.
2015 Model Updates:
Continued the Twin Cam 103 engine, refined ergonomics, and styling updates.
Manufacturing Location:
USA
Model Recognition:
Consistently ranked as a top-selling cruiser, recognized for its iconic status.
Customer Satisfaction:
Generally high, driven by brand loyalty and lifestyle association.
Emission Standards:
Meets EPA and California Air Resources Board (CARB) emission standards for motorcycles.
