The FLSTF Fat Boy, model year 2011, represents an iconic American cruiser renowned for its distinctive styling and powerful performance. Featuring the robust Twin Cam 103 V-twin engine, this motorcycle offers a substantial 1690 cc displacement, delivering impressive torque for a commanding ride. Its engineering emphasizes reliability and a classic aesthetic, characterized by solid aluminum disc wheels, a teardrop fuel tank, and a wide front fork, making it a standout in the cruiser segment and a testament to enduring heritage. This comprehensive service repair workshop manual provides in-depth coverage for the FLSTF Fat Boy. It details essential maintenance procedures, from routine oil changes to major service intervals, and offers thorough diagnostic and repair instructions for all major systems, including the Twin Cam 103 engine, 6-speed Cruise Drive transmission, electrical systems, fuel injection, brakes, and suspension. The manual is designed to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of their vehicle through clear, step-by-step guidance and detailed technical specifications. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FLSTF Fat Boy Year: 2011 Codes Model Code: FLSTF 👋 Introduction Market Position Segment: Cruiser Motorcycle Target Audience: Harley-Davidson FLSTF Fat Boy owners, independent repair shops, technicians Competitive Analysis Differentiation: Provides manufacturer-level detail for a specific, iconic Harley-Davidson model Key Features Content Focus: Detailed repair instructions, diagnostic procedures, and technical specifications essential for maintenance 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, and Workshop Procedures Page Count Estimated Pages: Hundreds (typical for full service manuals) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Twin Cam 103 engine service, diagnosis, and overhaul Transmission Systems: 6-speed Cruise Drive transmission service, maintenance, and repair Electrical Systems: Wiring diagrams, ignition system, lighting, starting and charging systems, diagnostics Fuel System: Fuel injection (EFI) system, fuel pump, injectors, throttle body service and diagnostics Brake Systems: Hydraulic brake system service, bleeding, caliper and master cylinder repair Suspension Systems: Front fork (Telescopic) and rear shock absorber service, adjustment, and replacement Chassis Systems: Frame inspection, steering head bearing service, wheel and tire service Bodywork And Trim: Fender and tank removal/installation, seat service, accessory mounting Procedures Included Maintenance: Routine service, oil changes, filter replacements, lubrication, inspection points Troubleshooting: Diagnostic procedures for common and complex issues, fault code interpretation Repair: Detailed step-by-step instructions for component disassembly, repair, and reassembly Diagnostics: Engine performance analysis, electrical system testing, suspension tuning Specifications And Tolerances: Torque values, clearances, fluid capacities, and dimensional specifications Technical Depth Depth: Comprehensive, from basic adjustments to full engine and transmission rebuilds 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF Print Capability: Printable pages for workshop use Binding Type Binding For Print: Not applicable (PDF download), but designed for easy printing and binding Paper Type Paper Recommendation For Print: Heavy-duty, glossy paper recommended for durability in a workshop environment ⚙️ Engine Specifications Primary Engine Engine Type: Harley-Davidson Twin Cam 103 V-Twin Displacement: 1690 cc (103 cubic inches) Bore X Stroke: 3.875 in x 4.375 in (98.4 mm x 111.1 mm) Compression Ratio: 9.6:1 Valve Train: Overhead valves (OHV), pushrod activated, 2 valves per cylinder Cooling System: Air-cooled Performance Horsepower Estimated: Approximately 75-80 HP (at crankshaft, model dependent) Torque Estimated: Approximately 95-100 lb-ft (at crankshaft, model dependent) Fuel System Fuel Delivery: Electronic Sequential Port Fuel Injection (ESPFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Ignition System Ignition Type: High-performance electronic ignition 🔧 Transmission Standard Transmission Type: 6-speed Cruise Drive Gear Ratios: Provided in manual (e.g., 1st: 9.593, 2nd: 6.650, 3rd: 4.938, 4th: 3.814, 5th: 3.168, 6th: 2.790) Clutch Type: Clutched, multi-plate, wet Features Drive Type: Primary drive: helical, chain; Final drive: belt Transmission Fluid Type: Formula + Transmission Lubricant (or equivalent) 📐 Dimensions Exterior Length: 92.5 inches (2350 mm) Width: 37.0 inches (940 mm) Height: 49.0 inches (1245 mm) Wheelbase: 64.5 inches (1638 mm) Ground Clearance: 5.0 inches (127 mm) Weights Dry Weight: 660 lbs (299 kg) Gvwr: Not specified in product info, but typically around 1050 lbs Fuel Capacity: 5.0 US gal (18.9 L) 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable to motorcycles in the same manner as cars; focus is on operational safety and rider protection Active Features Braking System: Hydraulic disc brakes, front and rear Front Brake Spec: Dual 292 mm discs, 4-piston calipers Rear Brake Spec: Single 292 mm disc, 2-piston caliper Passive Features Lighting: Halogen headlamp, LED tail lamp, amber LED turn signals Chassis Stability: Low center of gravity, wide tire profile for stability 💡 Technology Features Infotainment Audio System: Optional audio system (e.g., AM/FM/Weather band) available on some configurations, not standard on all FLSTF models. Display: Analog speedometer with integrated digital display (odometer, trip meters, gear indication, fuel level) Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional feature for 2011 models. Connectivity Cruise Control:...