Positioning:
The FLSTF Fat Boy is a flagship cruiser model from Harley-Davidson, known for its iconic styling, comfortable ride, and powerful V-twin engine. It appeals to riders seeking classic American motorcycle aesthetics and robust performance.
Competitors:
Competes with other large-displacement cruiser motorcycles from brands like Indian Motorcycle, and to some extent, certain models from Japanese manufacturers that offer similar styling and engine size.
Features:
Signature wide front tire, chrome accents, robust Twin Cam 96 engine, comfortable riding position, and classic cruiser styling. This manual provides the essential information for maintaining and repairing these key features.
Engine:
Engine disassembly, assembly, troubleshooting, diagnosis, and specifications for the Twin Cam 96 engine.
Fuel System:
Fuel injection system (EFI), fuel pump, fuel filter, fuel tank, and related components.
Ignition System:
Ignition module, spark plugs, ignition coils, and troubleshooting.
Transmission:
Six-speed Cruise Drive transmission: disassembly, assembly, inspection, and fluid service.
Clutch:
Clutch operation, adjustment, and replacement.
Frame And Suspension:
Frame inspection, front fork (FSTS), rear shock absorbers, swingarm, and wheel bearing service.
Brakes:
Front and rear brake systems, hydraulic lines, calipers, master cylinders, brake fluid flush and bleeding, and rotor inspection.
Electrical System:
Battery, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting, instrumentation, and all wiring diagrams.
Bodywork:
Fenders, fuel tank, seat, handlebars, controls, and accessory installation.
Emissions Control:
Information related to emissions system components and troubleshooting.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, brake fluid checks, tire pressure checks, and belt tension checks.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for various systems.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Diagnostic Procedures:
Procedures for diagnosing electrical issues, fuel system problems, and mechanical faults.
Overhaul Procedures:
Complete engine and transmission overhaul instructions.
Wiring Diagrams:
Detailed electrical schematics for all circuits.
Depth:
Comprehensive, covering everything from basic rider maintenance to full engine and transmission rebuilds. Suitable for both home mechanics and professional technicians.
Format Details:
Likely a PDF or similar digital format, enabling selective printing or a complete printout.
Quality:
Designed for clarity and usability when printed, with legible text and diagrams.
Binding:
If printed, would typically be comb-bound, spiral-bound, or saddle-stitched for ease of use.
Paper:
Standard paper, suitable for printing and referencing in a workshop environment.
Engine Type:
Air-cooled, Twin Cam 96 V-twin
Displacement:
96 cubic inches (1584 cc)
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Torque Spec:
92.6 ft-lb (125.6 Nm) @ 3500 RPM (typical for Twin Cam 96)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline
Ignition Type:
High-performance, ignition module with electronic spark control
Oil Type:
Harley-Davidson recommended 20W50 motorcycle oil (e.g., Harley-Davidson Genuine Motor Oil or Syn3)
Oil Capacity Engine:
4.0 US qt (3.8 L) with filter change
Transmission Type:
6-speed Cruise Drive
Primary Drive:
Duplex chain, 34/46 ratio
Final Drive:
Belt, 32/66 ratio
Clutch Type:
Clutched, wet, multi-plate
Transmission Oil Type:
Harley-Davidson Genuine Formula Transmission/Primary Chaincase Lubricant (or equivalent)
Transmission Oil Capacity:
24 US fl oz (0.71 L)
Safety Features:
While motorcycles don't have formal crash ratings like cars, the manual covers safety-critical systems like brakes, tires, and electrical integrity, which are paramount for rider safety.
Braking System:
Hydraulic disc brakes front and rear with solid-mount front rotors and floating rear rotor.
Lighting:
Halogen headlamp, LED tail lamp, and bullet-style front and rear turn signals.
Audio System:
Optional auxiliary audio input for MP3 players; some models might have aftermarket or dealer-installed audio systems. The manual would cover wiring and installation of accessories.
ABS:
Anti-lock Braking System (ABS) was often an optional feature on 2007 models. The manual would detail its components and service.
Diagnostics:
On-board diagnostics (OBD-II equivalent for motorcycles) for engine management system errors, accessible via diagnostic connectors. The manual details error codes and diagnostic procedures.
Initial Service:
1,000 miles (1,600 km) for initial engine oil and filter change, drivetrain inspection, and clutch/throttle adjustments.
Subsequent Service:
Every 5,000 miles (8,000 km) for engine oil and filter change, drive belt check, and general inspection. More comprehensive services at higher mileage intervals (e.g., 10,000, 20,000 miles).
Primary Chaincase Oil:
Harley-Davidson Genuine Formula Transmission/Primary Chaincase Lubricant
Engine Oil:
Harley-Davidson 20W50 Genuine Motor Oil or SYN3 (Synthetic)
Brake Fluid:
DOT 4 brake fluid
Chassis Grease:
Harley-Davidson recommended multi-purpose grease
Common Wear Items:
Clutch plates, brake pads, tires, drive belt, wheel bearings, and fork seals are common wear items requiring periodic inspection and replacement.
Potential Flaws:
Early Twin Cam engines could experience some oil consumption or lifter noise; however, the Twin Cam 96 in the 2007 model is generally considered robust. The manual provides diagnostic procedures for any anomalies.
Brand Legacy:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its cruiser, touring, and custom motorcycles, embodying freedom and the open road.
Fat Boy Origin:
The Fat Boy, introduced in 1990, became an instant icon, inspired by post-WWII "bomber" motorcycles, characterized by its solid-disc wheels and fat tires. The 2007 model represents a mature iteration with the Twin Cam 96 engine.
Manufacturing Location:
Typically manufactured in the United States (e.g., York, Pennsylvania, or Kansas City, Missouri).
