Engine:
Detailed breakdown of Twin Cam 96B engine (1584cc), including V-Twin architecture, lubrication, cooling, fuel injection, ignition, and emissions control.
Transmission:
6-speed Cruise Drive transmission overhaul, clutch operation, shifting mechanisms, and fluid service.
Drivetrain:
Primary drive system (clutch, compensator, chain), final drive (belt drive system) maintenance and adjustment.
Suspension:
Front fork (Telescopic) overhaul, rear shock absorber service, Swingarm and pivot bearing inspection and replacement.
Brakes:
Front and rear brake system service, including hydraulic system bleeding, caliper and master cylinder overhaul, pad replacement, and disc inspection.
Electrical System:
Wiring diagrams, battery service, charging system (alternator, regulator), starting system (starter motor), lighting, ignition system, and instrument cluster diagnostics.
Fuel System:
Fuel tank servicing, fuel pump, fuel filter replacement, Electronic Fuel Injection (EFI) system diagnostics, and throttle body service.
Exhaust System:
Exhaust pipe and muffler maintenance, gasket replacement, and emissions control components.
Frame And Body:
Frame inspection, body panel removal and installation, fenders, seat, and handlebar servicing.
Routine Maintenance:
Oil changes, filter replacements, chain/belt adjustments, tire pressure checks, and general inspection procedures.
Engine Rebuild:
Complete engine disassembly, inspection, component replacement (pistons, rings, valves, bearings), and reassembly instructions.
Transmission Overhaul:
Detailed steps for gearbox disassembly, gear inspection, bearing replacement, and reassembly.
Electrical Troubleshooting:
Systematic diagnostic procedures for common electrical faults, including use of multimeters and diagnostic tools.
Suspension Repair:
Fork seal replacement, oil changes, and rear shock absorber servicing.
Brake System Service:
Bleeding procedures, replacement of brake pads, rotors, and hydraulic components.
Fuel System Maintenance:
EFI system checks, injector cleaning, and fuel filter replacement.
Diagnostics:
Extensive troubleshooting guides, symptom-based diagnostics, and fault code interpretation for EFI systems.
Repair Level:
Covers everything from basic maintenance to complete engine and transmission rebuilds, including specialized tools and torque specifications.
Special Tool Requirements:
Highlights specific Harley-Davidson special tools required for various procedures.
Engine Type:
Air-cooled, Twin Cam 96B V-Twin
Displacement:
1584 cc (96.7 cubic inches)
Bore X Stroke:
3.75 in x 4.38 in (95.25 mm x 111.25 mm)
Valve Train:
Pushrod-actuated, overhead valves with two valves per cylinder
Torque Rating:
92.6 ft-lbs @ 3500 RPM (approximate, manufacturer specification)
Horsepower Rating:
Not officially published by Harley-Davidson for this model, but generally in the 70-75 HP range.
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (R+M)/2
Fuel Tank Capacity:
5.0 US gallons (18.9 liters)
Initial 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 Change:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Engine Oil Type:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic (Syn3) or equivalent.
Engine Oil Capacity:
4.0 US quarts (3.8 liters) with filter change.
Primary Chain Case Oil:
Harley-Davidson Genuine Formula + Transmission, J/T Fluid, or Syn3.
Primary Chain Case Oil Capacity:
28 US fluid ounces (0.83 liters)
Common Wear Items:
Clutch plates, brake pads, wheel bearings, and fork seals are common wear items requiring periodic inspection and replacement.
Engine Performance Notes:
While generally robust, some owners report occasional minor electrical gremlins or need for EFI tuning adjustments for optimal performance, particularly after modifications.
Engine Mounting Bolts:
Specific torque values for critical engine mounting bolts will be detailed in the manual.
Wheel Axle Nuts:
Specific torque values for front and rear axle nuts will be detailed in the manual.
Brand Origin:
Founded in 1903, Harley-Davidson is an iconic American motorcycle manufacturer with a rich history in producing large-displacement V-twin motorcycles.
Fat Boy Introduction:
The Fat Boy (FLSTF) was introduced in 1990 and quickly became one of Harley-Davidson's most recognizable models, characterized by its substantial styling and chrome accents.
2009 Updates:
The 2009 model year featured the Twin Cam 96B engine and the 6-speed Cruise Drive transmission as standard, offering improved performance and rider comfort.
Manufacturing Location:
Harley-Davidson Motor Company, Milwaukee, Wisconsin, USA (and other facilities as applicable).