🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLSTF Fat Boy

Year:

2007

Sub Model:

Softail

Engine Family Code:

Twin Cam 96B

👋 Introduction

Positioning:

The Harley-Davidson FLSTF Fat Boy is an iconic cruiser, known for its distinctive styling and comfortable riding experience. This manual serves owners and independent mechanics seeking to maintain and repair this classic model.

Competition:

Competes with other large-displacement cruisers from brands like Indian Motorcycle and select models from Japanese manufacturers in the cruiser segment. Its retro styling and V-twin engine are key differentiators.

Features:

Distinctive fat front tire, chrome accents, classic styling, comfortable rider ergonomics, powerful V-twin engine, Softail hidden rear suspension.

📋 Manual Details

Primary Coverage:

Repair and Overhaul

Secondary Coverage:

Maintenance, Troubleshooting, Diagnostics

Estimated Pages:

Estimated 700-900 pages (typical for a full service manual)

Type:

Service Manual / Workshop Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Twin Cam 96B Engine: Disassembly, Assembly, Tuning, Carburetion/Fuel Injection, Ignition System, Lubrication, Cooling (Air-Cooled)

Transmission:

6-Speed Cruise Drive Transmission: Internal Components, Shifting Mechanism, Clutch, Primary Drive

Chassis:

Softail Frame: Frame Inspection, Swingarm, Suspension (Front Forks, Rear Shocks), Wheel Bearings, Steering Head Bearings

Brakes:

Brake System: Hydraulic Front and Rear Brakes, Master Cylinders, Calipers, Brake Lines, Pad Replacement, Rotor Inspection, Bleeding Procedures

Electrical:

Electrical System: Wiring Diagrams, Lighting (Headlight, Taillight, Signals), Ignition Switch, Battery, Charging System (Alternator, Regulator), Starter Motor, Horn, Instrumentation, ECM/PCM Functions

Fuel System:

Fuel System: Fuel Tank, Fuel Lines, Fuel Pump, Fuel Filter, Carburetor (CV Carburetor or EFI System Components)

Exhaust:

Exhaust System: Mufflers, Pipes, Heat Shields, Gaskets

Bodywork:

Bodywork and Trim: Fenders, Fuel Tank, Seat, Handlebars, Controls, Mirrors, Lights, Chrome Components

Wheels Tires:

Wheels and Tires: Wheel Removal and Installation, Tire Replacement, Balancing, Spoke Adjustment (if applicable)

Diagnostic Troubleshooting:

Diagnostic Troubleshooting: Symptom-Based Troubleshooting Guides, Fault Code Interpretation (if applicable for EFI models)

Routine Maintenance:

Oil Changes, Filter Replacements, Spark Plug Replacement, Air Filter Cleaning/Replacement, Chain Adjustment (if applicable), Belt Adjustment/Inspection

Major Repairs:

Engine Rebuilds (Top-end and Bottom-end), Transmission Overhaul, Fork Seal Replacement, Brake System Overhaul, Electrical Component Replacement

Diagnostics:

Troubleshooting electrical faults, engine performance issues, transmission problems

Special Tools:

Identification and use of specialized Harley-Davidson tools for specific procedures

Depth:

Comprehensive: Covers from basic owner maintenance to complete engine and transmission rebuilds, detailed diagnostic procedures.

📊 Manual Specifications

File Type:

PDF

Searchability:

Typically text-searchable for quick access to information.

Quality:

High-resolution scans or digitally created, ensuring clarity of text and diagrams.

Binding:

N/A (PDF format)

Paper Type:

N/A (PDF format)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96B 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)

Compression Ratio:

8.8:1

Valve Train:

Pushrod-actuated, overhead valves with hydraulic lifters; 2 valves per cylinder

Cooling System:

Air-cooled

Horsepower Estimated:

Approximately 65-70 HP (at crankshaft, estimated)

Torque Peak:

92.6 ft-lbs (125.5 Nm) @ 3500 RPM (Manufacturer Spec)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI) or Carbureted (CV carburetor, depending on specific sub-variant and market)

Fuel Type:

Unleaded gasoline, minimum 91 octane recommended

🔧 Transmission

Transmission Type:

6-Speed Cruise Drive Manual Transmission

Primary Drive:

Duplex chain, 2.226:1 ratio

Final Drive:

Belt, 32/66 ratio (3.15:1)

Clutch:

Hydraulically actuated, 9-plate, wet clutch

Transmission Fluid:

Harley-Davidson Formula+ Transmission Lubricant or equivalent API GL-4, SAE 50

📐 Dimensions

Length:

93.9 in. (2385 mm)

Width:

37.4 in. (950 mm)

Height:

47.6 in. (1209 mm)

Wheelbase:

64.5 in. (1638 mm)

Ground Clearance:

5.0 in. (127 mm)

Dry Weight:

634 lbs (288 kg)

Gross Vehicle Weight Rating:

Not specified in basic product info, consult full manual

Payload Capacity:

Not specified in basic product info, consult full manual

Seat Height:

26.2 in. (665 mm)

Fuel Capacity:

5.0 gal. (18.9 L)

🛡️ Safety Features

Crash Test Ratings:

Motorcycles are not typically subjected to standardized automotive crash testing.

Braking System:

Hydraulic disc brakes front and rear, typically with dual-piston calipers.

Lighting:

Halogen headlight, LED taillight and brake light, amber lens front and rear turn signals.

💡 Technology Features

Infotainment System:

Typically base models of this era feature a simple AM/FM radio with optional CD player and handlebar-mounted controls. Advanced infotainment systems are generally not standard.

Assistance Features:

No electronic driver assistance features (e.g., ABS, traction control) were standard on the 2007 FLSTF. ABS was often an optional extra on Harley-Davidsons of this period.

Connectivity Options:

Limited connectivity, primarily for audio systems if equipped. No integrated smartphone connectivity or Bluetooth as standard.

🔧 Maintenance

First Service:

1000 miles (1600 km) or 6 months, whichever comes first (typically includes oil change, filter, primary chain case inspection, and general check).

Subsequent Oil Change:

Every 5,000 miles (8,000 km) or 12 months.

Belt Inspection:

Inspect belt tension and condition at every service interval. Replace as needed (typical life 40,000-60,000 miles).

Brake Fluid:

Replace brake fluid every 2 years, or as recommended by inspection.

Engine Oil Type:

Harley-Davidson SYN3 Full Synthetic (or equivalent V-Twin specific SAE 20W-50 motorcycle oil).

Engine Oil Capacity:

3.5 US qt. (3.3 L) with filter change.

Primary Chain Case Fluid:

Harley-Davidson Formula+ Transmission Lubricant (or equivalent SAE 50 motorcycle lubricant).

Primary Chain Case Fluid Capacity:

2.2 US qt. (2.1 L)

Brake Fluid Type:

DOT 4.

Common Issues:

Early Twin Cam models can exhibit cam chain tensioner wear (hydraulic tensioners upgraded over years), potential oil leaks from seals, and heat management on air-cooled engines in heavy traffic. Some clutch actuation issues reported. Check for recalls affecting the 2007 model year.

Specific To Softail:

Rear shock absorber maintenance and alignment checks are important for the Softail platform.

📚 Vehicle History

Heritage:

Harley-Davidson, founded in 1903, is an American icon of motorcycling, known for its V-twin engines, distinctive sound, and strong community. The Softail platform, introduced in 1983, mimics the hardtail look with hidden rear suspension.

Fat Boy Origin:

The Fat Boy model itself debuted in 1990 and quickly became a cultural phenomenon, popularized by films like 'Terminator 2: Judgment Day'. The 2007 model features the then-new Twin Cam 96B engine and 6-speed transmission.

Manufacturing Location:

York, Pennsylvania, USA and Milwaukee, Wisconsin, USA (assembly and engine production).

🏆 Awards & Recognition

Brand Recognition:

Harley-Davidson is consistently ranked as a top motorcycle brand globally for its heritage, lifestyle, and product quality. The Fat Boy is a benchmark for American cruiser styling.

Owner Satisfaction:

Harley-Davidson generally receives high owner satisfaction ratings, particularly for its iconic models and community engagement. Specific ratings for the 2007 FLSTF would require specific consumer survey data.

Manufacturing Standards:

Manufactured under Harley-Davidson's internal quality control standards, adhering to relevant US manufacturing and emissions regulations for motorcycles.