Positioning:
The Harley-Davidson Softail Slim S (FLSS) targets riders seeking a classic aesthetic with modern performance, often appealing to those who appreciate vintage styling and a powerful V-twin engine. It represents a blend of retro design cues with the technology and capability expected from a contemporary Harley-Davidson.
Competitors:
Competes with other cruiser motorcycles in its displacement class, including models from Indian Motorcycle, Victory Motorcycles (prior to discontinuation), and some Japanese manufacturers offering V-twin cruisers with similar styling and performance characteristics.
Distinctive Features:
Iconic vintage styling, powerful Twin Cam 110 engine, a comfortable riding position, and the distinctive Harley-Davidson V-twin rumble. The 'S' designation typically indicates a higher performance variant, often with upgraded engine components or finishes.
Value Proposition:
This comprehensive workshop manual serves as an essential resource for owners and technicians, offering detailed instructions, diagrams, and specifications crucial for maintaining, troubleshooting, and repairing the Harley-Davidson Softail Slim S FLSS. Its inclusion of a parts catalog further enhances its utility.
Engine And Powertrain:
Engine removal/installation, breather assembly, lubrication system, cylinder head, cylinder, pushrods, lifters, covers, flywheel, connecting rods, piston, oil pump, crankcase, fuel system, air cleaner, electronic fuel injection (EFI), throttle control actuator (TCA), twist grip sensor (TGS), engine temperature sensor (ET), induction module system, fuel injectors, fuel filter, exhaust system, primary chaincase housing, hydraulic clutch, mechanical clutch, drive belt system, transmission system, shifter linkage, main drive gear and bearing.
Chassis And Suspension:
Front & rear wheel, fork and tires system, steering head bearings, suspension system, shock absorbers, handlebars, mirrors, seat, debris deflector, saddlebags, luggage rack, fender & frame system, footboards, footrests.
Electrical And Electronics:
Electrical system, ignition system, starting system, charging system, electronic control unit (ECU), hydraulic control unit, anti-lock brake system (ABS), lighting system, speedometer, tachometer, auxiliary lamps and brackets, alternator system, vehicle speed sensor (VSS), gauges and instruments, advanced audio system, personal identification number (PIN), wiring harness, connector repair.
Brakes And Control:
Brakes system, H-DSSS actuation.
Maintenance:
Comprehensive maintenance schedule, fluid specifications, lubrication procedures.
Repair And Rebuild:
Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
Diagnostics And Troubleshooting:
Troubleshooting guide, diagnostic procedures for electrical and mechanical systems, wiring diagrams.
Special Operations:
Special tool usage, tightening torque specifications, engine removal/installation.
Depth:
Comprehensive, from basic maintenance to in-depth engine and electrical system overhauls. Suitable for both DIY enthusiasts and professional mechanics.
Engine Type:
V-Twin, 4-stroke, Air-Cooled
Displacement:
1801 cc (110 cubic inches)
Valvetrain:
Overhead Valve (OHV), 2 valves per cylinder
Engine Family:
Twin Cam 110
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Horsepower:
Approximately 118 hp @ 5,500 RPM (estimated for Twin Cam 110 with Screamin' Eagle upgrades, stock may vary)
Torque:
Approximately 125 lb-ft @ 3,500 RPM (estimated for Twin Cam 110 with Screamin' Eagle upgrades, stock may vary)
Fuel Type:
Premium Unleaded Gasoline
Fuel Capacity:
3.3 gallons (12.5 Liters) (typical for Softail models)
Oil Type:
Harley-Davidson recommends specific V-Twin motorcycle oil, typically 20W-50 synthetic or semi-synthetic. Refer to the manual for exact specifications and capacities.
Length:
Approx. 92.7 inches (2355 mm)
Width:
Approx. 36 inches (914 mm)
Height:
Approx. 49.5 inches (1257 mm)
Dry Weight:
Approx. 686 lbs (311 kg)
Gross Vehicle Weight Rating Gvwr:
N/A (Typically not specified for motorcycles, focus is on payload capacity)
Payload Capacity:
N/A (Refer to owner's manual for rider and passenger weight limits)
Wheelbase:
Approx. 64.5 inches (1638 mm)
Safety Certification:
Meets relevant US and International motorcycle safety standards. Specific crash test ratings not typically provided for motorcycles in the same manner as automobiles.
Braking System:
Hydraulic disc brakes front and rear. Anti-lock Braking System (ABS) is a key feature, especially on the 'S' models.
Lighting:
Halogen headlight, LED tail/brake lights, front and rear turn signals.
Frame Construction:
Steel, welded, split-carriage, low-slung Softail frame.
Audio System:
The manual mentions an 'Advanced Audio System', indicating some models may have integrated audio capabilities, though often these are optional or accessory-based on the Slim models.
ABS:
Anti-lock Braking System (ABS) is a significant technological feature for enhanced safety and control, especially during hard braking.
Pin System:
Personal Identification Number (PIN) system likely refers to the security system or ignition key system, enhancing anti-theft measures.
ECU Efi:
Electronic Control Module (ECM) manages Electronic Fuel Injection (EFI), ignition timing, and other engine parameters for optimal performance and emissions control.
First Service:
Typically at 1,000 miles (1600 km) for initial break-in service. Includes oil change, filter change, primary fluid check, and inspection of critical components.
Subsequent Services:
Subsequent services usually recommended every 5,000 miles (8000 km) or annually, whichever comes first, for routine maintenance like engine oil changes, inspections, and lubrication. More in-depth service for transmission and primary drive fluids is also specified.
Engine Oil:
Harley-Davidson V-Twin Motorcycle Oil SAE 20W-50 (or equivalent meeting H-D specifications, refer to manual for exact specs).
Transmission Oil:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent meeting H-D specifications).
Brake Fluid:
DOT 4 Heavy Duty Brake Fluid (for hydraulic clutch and brake systems, check manual for specific type).
Common Wear Items:
Clutch plates, brake pads, tires, drive belt, fork seals, spark plugs. Regular inspection and replacement are crucial.
Potential Issues:
While the Twin Cam 110 is robust, early models sometimes experienced issues with cam chain tensioners. Early EFI systems could be sensitive to tuning. Regular maintenance as per the manual is key to longevity.
Parts Catalog Utility:
The included Parts Catalog is invaluable for identifying correct OEM part numbers for replacements and maintenance, ensuring proper fitment and function.
Brand Established:
Founded in 1903, Harley-Davidson is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser motorcycle designs.
Softail Platform:
The Softail platform, characterized by its hidden rear shock absorbers designed to mimic the look of a hardtail frame, has been a cornerstone of Harley-Davidson's cruiser lineup since its introduction in 1983.
Slim Variant:
The Slim models typically feature a minimalist, stripped-down aesthetic inspired by post-war bobbers, emphasizing a low-slung profile and classic styling elements. The 'S' variant denotes a performance-oriented package, often featuring the larger Twin Cam 110 engine.
Manufacturing Location:
Primary manufacturing for Harley-Davidson motorcycles is in the United States.
