The 2012 FLHR Road King is a full-size touring cruiser celebrated for its classic styling, modern performance, and exceptional comfort. Powered by an air-cooled, Twin Cam 103 V-Twin engine displacing 1690 cc, this iconic motorcycle delivers approximately 78 horsepower and 105 lb-ft of torque. Distinguishing features include a comfortable riding position, a large fuel tank for extended range, a removable windscreen for adaptable comfort, and integrated saddlebags for ample storage. Built with renowned engineering quality and reliability, the Road King is designed for riders who appreciate a premium motorcycle experience, offering a blend of heritage and contemporary capability. This comprehensive Service Manual / Workshop Repair Manual provides in-depth coverage for the 2012 FLHR Road King, encompassing over 700 pages of essential information. It details regular scheduled maintenance, fluid changes, filter replacements, and lubrication procedures, alongside troubleshooting guides for diagnosing and resolving common and uncommon issues. The manual includes step-by-step repair and overhaul instructions for all major and minor components, including the Twin Cam 103 engine and the 6-speed Cruise Drive transmission. Furthermore, it covers the fuel, ignition, chassis, brake, and electrical systems, providing critical torque specifications, component clearances, fluid capacities, and detailed wiring diagrams. This resource is invaluable for owners, mechanics, and technicians aiming to maintain, repair, and optimize the performance and longevity of their vehicle. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FLHR Road King Year: 2012 Codes Model Code: FLHR 👋 Introduction Market Position Category: Full-size touring cruiser Segment: Premium motorcycle segment Competitive Analysis Competitors: Indian Chief Vintage, Victory Cross Country, other large-displacement V-twin cruisers Key Features Design Philosophy: Classic styling with modern performance and comfort Distinguishing Features: Comfortable riding position, large fuel tank, removable windscreen, saddlebags, iconic styling 📋 Manual Details Coverage Areas General Coverage: Comprehensive repair and overhaul of the 2012 Harley-Davidson FLHR Road King Page Count Estimated Pages: 700+ Manual Type Type: Service Manual / Workshop Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Twin Cam 103 V-Twin Engine (including disassembly, assembly, inspection, and repair of all components) Fuel System: Fuel injection (EFI) system, fuel tank, fuel pump, lines, and regulators Ignition System: Ignition module, coils, spark plugs, and wiring Transmission: 6-speed Cruise Drive transmission (disassembly, assembly, inspection, clutch operation, and driveline) Chassis: Frame, swingarm, suspension (forks, shocks), steering head, and wheels Brakes: Hydraulic brake system (front and rear calipers, master cylinders, lines, pads, rotors, ABS if equipped) Electrical System: Wiring diagrams, battery, charging system (alternator, regulator), lighting, starter, horn, and all electrical components Fuel Tank And Controls: Fuel tank mounting, fuel level sender, throttle control, and cables Exhaust System: Exhaust pipes, mufflers, and mounting hardware Bodywork And Fenders: Fenders, fairings (if applicable), saddlebags, instrument cluster, and seat assembly Cooling System: Engine oil cooling system (oil cooler, lines) Lubrication System: Oil pump, oil filter, oil passages, and oil pressure Procedures Included Maintenance: Regular scheduled maintenance, fluid changes, filter replacements, chain/belt adjustment, lubrication Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code identification and resolution Repair: Step-by-step repair instructions for all major and minor components, including complete engine and transmission rebuilds Overhaul: Complete engine and transmission overhaul procedures Installation: Installation instructions for replacement parts and accessories Adjustments: Clutch adjustment, throttle cable adjustment, brake lever adjustment Specifications: Torque specifications for all fasteners, component clearances, fluid capacities, and electrical specifications Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostics and electrical schematics 📊 Manual Specifications File Format Format: PDF Searchable Text: Yes (typically for official service manuals) Printable: Yes Print Quality Quality: High-resolution (assuming a professionally produced PDF) Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, Twin Cam 103 V-Twin Displacement: 1690 cc (103 cubic inches) Bore X Stroke: 3.875 in. x 4.38 in. (98.4 mm x 111.3 mm) Compression Ratio: 9.6:1 Performance Horsepower: Approximately 78 hp @ 5000 rpm (claimed) Torque: Approximately 105 lb-ft @ 3500 rpm (claimed) Fuel System Fuel Delivery: Electronic Sequential Port Fuel Injection (ESPFI) Fuel Type: Premium unleaded gasoline (91 octane or higher recommended) Lubrication System Oil Type: Harley-Davidson SYN3 (or equivalent full synthetic SAE 20W-50) Oil Capacity: 5.0 US qt (4.7 L) with filter change 🔧 Transmission Standard Type: 6-Speed Cruise Drive Features Gear Ratios: 1st: 9.312, 2nd: 6.407, 3rd: 4.774, 4th: 3.792, 5th: 3.207, 6th: 2.790 Fluid Specifications Transmission Oil Type: Harley-Davidson Formula+ (or equivalent primary chain case lubricant) Transmission Oil Capacity: 2.8 US qt (2.6 L) 📐 Dimensions Exterior Length: 93.5 in. (2375 mm) Seat Height Laden: 27.2 in. (690 mm) Ground Clearance: 4.7 in. (119 mm) Weights Dry Weight: 745 lbs (338 kg) Gross Vehicle Weight Rating: 1260 lbs (572 kg) Fuel Fuel Capacity: 5.0 US gal (18.9 L) Wheels Tires Front Tire: BW 130/70R18 63H Rear Tire: BW 180/55R17 73V Wheelbase:...