Target Audience:
Harley-Davidson owners, independent motorcycle repair shops, and professional technicians specializing in Harley-Davidson motorcycles.
Value Proposition:
Provides critical, factory-authorized procedures and specifications essential for maintaining, troubleshooting, and repairing the 2015 FLSTN Softail Deluxe, offering significant cost savings compared to dealership service.
Manual Benefit:
Empowers riders and technicians with the knowledge to perform a wide range of tasks, ensuring optimal performance, longevity, and safety of the motorcycle.
Documentation Standard:
Based on official Harley-Davidson service literature, ensuring accuracy and adherence to manufacturer standards.
Engine:
Engine removal/installation, internal engine components (pistons, rings, cylinders, crankshaft, camshafts, valvetrain), oil pump, cooling system (air-cooled) diagnostics and repair, engine tuning.
Fuel System:
Fuel injection system (EFI), fuel pump, fuel filter, injectors, throttle body, fuel tank, fuel lines, evaporative emissions control system diagnostics and repair.
Ignition System:
Ignition module, spark plugs, ignition coils, crankshaft position sensor, camshaft position sensor diagnostics and repair.
Transmission:
Primary drive system, clutch, transmission case, gears, bearings, shift mechanism, final drive belt inspection and replacement, transmission fluid specifications.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, lighting (headlight, taillight, turn signals, brake lights), horn, fuses, relays, diagnostic connectors (e.g., J1850), instrument cluster, security system.
Brakes:
Front and rear brake systems, master cylinders, brake calipers, brake pads, brake rotors, brake lines, brake fluid specifications, bleeding procedures, ABS diagnostics (if equipped).
Suspension:
Front fork (telescopic), rear shock absorbers, fork oil specifications and capacity, fork seal replacement, suspension adjustment procedures.
Wheels And Tires:
Wheel types, tire specifications, tire pressure recommendations, wheel bearing maintenance, tire replacement procedures.
Frame And Bodywork:
Frame inspection, body panel removal and installation, fenders, fuel tank, seat, handlebars, saddlebags (if equipped), fairings (if equipped).
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs), use of diagnostic tools (e.g., Harley-Davidson Digital Technician Lite/Pro).
Maintenance:
Recommended maintenance schedules, oil changes, filter replacements (oil, air), spark plug replacement, chain/belt tensioning, brake fluid flushes, battery checks, lubrication points.
Repair:
Detailed step-by-step repair procedures for all major mechanical and electrical systems, including component overhaul and replacement.
Troubleshooting:
Systematic troubleshooting guides to identify and resolve common and uncommon performance issues, electrical faults, and mechanical failures.
Assembly Disassembly:
Comprehensive instructions for the removal and installation of all major components and sub-assemblies.
Specifications Torque Values:
Precise torque specifications for all fasteners and critical components to ensure proper assembly and prevent damage.
Depth:
Comprehensive. Covers everything from basic scheduled maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and chassis component overhauls.
Engine Name:
Twin Cam 103B
Engine Displacement:
1690cc (103 cubic inches)
Engine Configuration:
Air-cooled, 45-degree V-twin
Bore X Stroke:
3.875 in. x 4.375 in. (98.4 mm x 111.1 mm)
Horsepower:
Approx. 72 HP (at crankshaft, unconfirmed without specific dyno data from manual)
Torque:
Approx. 98.9 ft-lbs (at crankshaft, unconfirmed without specific dyno data from manual)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline, 91 octane or higher
First Service:
1,000 miles (1,600 km) or 6 months (whichever comes first) - includes oil change, primary fluid check, belt check, brake inspection, and general inspection.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months - includes oil change, filter replacement, primary fluid check, belt check, brake inspection, and lubrication.
Engine Oil:
Harley-Davidson® Genuine Motor Oil SAE 20W50 (or equivalent API CJ-4 specification).
Primary Chain Case Lubricant:
Harley-Davidson® Formula+ Transmission & Primary Chain Case Lubricant (or equivalent).
Transmission Fluid:
Harley-Davidson® Formula+ Transmission & Primary Chain Case Lubricant (or equivalent).
Fork Oil:
Harley-Davidson® Type E (equivalent to 10W) or Type B (equivalent to 5W) depending on desired damping characteristics (consult manual for specific recommendations).
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, primary chain, drive belt, fork seals.
Potential Problems:
Leaking primary or transmission seals, charging system issues (stator/regulator), starter solenoid problems, idle control issues (related to throttle body).
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines, cruiser motorcycles, and distinctive sound and style.
Softail Platform:
The Softail platform, introduced in 1983, mimics the appearance of a hardtail frame but utilizes a hidden rear suspension system for a smoother ride.
Flstn Deluxe Design:
The FLSTN Softail Deluxe is characterized by its retro styling, often featuring whitewall tires, chrome accents, a stepped seat, and a distinctive tank console, evoking classic Harley-Davidson models.
Production Years:
The Softail Deluxe model line has been in continuous production with various updates and engine displacements since its introduction.
