Segment:
Cruiser, Retro-styled motorcycle
Target Audience:
Riders seeking classic styling, strong performance, and a distinctive Harley-Davidson experience
Key Competitors Historical:
Indian Chief, Triumph Bonneville, other Harley-Davidson Softail models
Styling:
Vintage-inspired design, whitewall tires, bobbed fenders, low-profile seat, retro tank graphics
Engine:
High Output Twin Cam 110B engine
Performance Focus:
Torque-rich, V-twin character
Handling:
Softail chassis for a smooth, classic ride
Engine:
110ci Twin Cam Engine (disassembly, assembly, tuning, diagnostics)
Transmission:
6-Speed Cruise Drive Transmission (overhaul, maintenance, troubleshooting)
Fuel System:
Electronic Sequential Port Fuel Injection (ESPFI), throttle body, injectors, fuel pump, lines
Ignition System:
Electronic Ignition Module (EIM), spark plugs, coils, timing
Electrical System:
Wiring diagrams, charging system (alternator, regulator), starting system (starter, solenoid), battery, lighting, instrumentation, ECM diagnostics
Brakes:
Hydraulic disc brakes (front and rear), brake fluid specifications, caliper service, master cylinders, ABS (if equipped)
Suspension:
Front fork (telescopic), rear suspension (shock absorbers), fork oil specifications, seal replacement, adjustment procedures
Wheels And Tires:
Wheel bearing service, tire selection and mounting, spoke tension (if applicable), wheel alignment
Frame And Bodywork:
Frame inspection, body panel removal/installation, fenders, fuel tank, seat, handlebars, controls
Exhaust System:
Muffler replacement, pipe inspection, heat shields
Routine Maintenance:
Oil changes, filter replacement, spark plug service, air filter cleaning/replacement, chain lubrication/adjustment (if applicable)
Scheduled Maintenance:
Detailed service intervals for all major components
Troubleshooting:
Diagnostic charts for common performance issues, starting problems, electrical faults
Engine Repair:
Top-end rebuild, bottom-end overhaul, valve adjustment, gasket replacement
Transmission Repair:
Clutch service, gear inspection, bearing replacement
Electrical Diagnostics:
Wiring diagram interpretation, sensor testing, ECM flashing and diagnostics
Brake System Service:
Bleeding procedures, pad replacement, rotor inspection
Suspension Service:
Fork seal replacement, shock absorber servicing, damping adjustments
Bodywork Repair:
Panel alignment, fairing repair (if applicable), chrome trim care
Depth:
Comprehensive (from basic maintenance to full engine rebuilds and electrical system diagnostics)
Engine Type:
Air-cooled, Twin Cam 110B V-Twin
Displacement:
1801 cc (110 cubic inches)
Bore X Stroke:
4.00 in x 4.43 in (101.6 mm x 112.5 mm)
Valve Train:
Pushrod-actuated overhead valves with hydraulic lifters
Cooling System:
Air-cooled
Torque Peak:
Approximately 115 lb-ft @ 3,750 rpm (US spec)
Horsepower Peak:
Estimated 96 hp (actual figures can vary)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium unleaded gasoline
Oil Capacity:
Approximately 3.5 quarts (3.3 liters)
Oil Type Specification:
Harley-Davidson SYN3 (or equivalent 20W-50 synthetic motorcycle oil)
Oil Filter Part Number:
63731-10A (example, verify for specific VIN)
Audio System:
Not standard on the Slim S model, typically an accessory.
Instrumentation:
Analog speedometer with integrated LCD display for odometer, trip meters, clock, and gear indicator.
ABS:
Available as an option, enhancing braking safety.
Diagnostics:
On-board diagnostics (OBD) support for engine management and fault code retrieval via diagnostic port.
First Service:
1,000 miles (1,600 km) - includes engine oil and filter change, inspection of all systems.
Subsequent Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Spark Plug Replacement:
Refer to manual, typically around 10,000-15,000 miles (16,000-24,000 km).
Belt Tension Check:
Every 2,500 miles (4,000 km) or as per manual recommendations.
Brake Fluid Flush:
Recommended every 2 years.
Engine Oil Viscosity:
20W-50
Primary Chaincase Oil:
Primary Chain Lubricant
Brake Fluid:
DOT 4 (for ABS and non-ABS systems, confirm with VIN)
Fork Oil:
Refer to manual for specific viscosity (e.g., Spectro Big Twin Fork Oil or equivalent)
Cam Chain Tensioners:
Pre-2007 Twin Cam models had issues; 2016-2017 models use hydraulic tensioners, generally more robust but require monitoring.
Oil Leaks:
Potential for leaks at primary cover, rocker boxes, or crankcase seals, especially with age.
Idle Control Issues:
Occasional rough idle or stalling related to throttle position sensor (TPS) or idle air control (IAC) issues.
Brand Establishment:
Founded in 1903, the oldest American motorcycle manufacturer.
Iconic Models:
Electra Glide, Sportster, V-Rod, Softail family
Softail Introduction:
The Softail platform, with its hidden rear suspension, debuted in 1983, offering a rigid frame look with modern comfort.
Slim Variant History:
The Slim line draws inspiration from post-WWII bobbers and stripped-down customs, emphasizing minimalist styling.
S Designation:
The 'S' designation signifies the larger, High Output Twin Cam 110 engine, offering enhanced performance over standard models.
Production Era:
2016-2017 model years for the FLSS Softail Slim S.
