Motorcycle Segment:
Cruiser / Touring (Convertible)
Target Audience:
Harley-Davidson owners seeking detailed maintenance, repair, and troubleshooting information for their Dyna Switchback.
Key Selling Points:
Versatility (convertible windshield and saddlebags), classic Harley-Davidson styling, comfortable ergonomics for touring and local riding.
Unique Features Of Vehicle:
Quick-detach windshield and saddlebags allow for a transformation from a touring cruiser to a stripped-down cruiser. Chrome styling accents.
Engine Systems:
Engine removal/installation, disassembly, inspection, assembly, lubrication, cooling, fuel system (EFI), ignition system, exhaust system, emissions control.
Transmission Drivetrain:
Clutch, transmission assembly, primary drive, final drive (belt drive), gearbox, shifting mechanism.
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), ignition system, lighting (headlight, taillight, turn signals), instrumentation, sensors, wiring diagrams, diagnostic connectors (OBD-II equivalent).
Chassis Suspension Brakes:
Frame, front fork (telescopic), rear suspension (shocks), steering system, wheel assembly, tire information, brake system (front and rear discs, calipers, master cylinders, lines), ABS (if equipped).
Bodywork Fittings:
Body panels, fairings, windshield, saddlebags (quick-detach), seats, fuel tank, fenders, handlebars, controls, mirrors, luggage rack.
Maintenance Procedures:
Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, brake fluid flush, clutch adjustment, chain/belt inspection and adjustment, tire pressure checks, battery maintenance.
Troubleshooting:
Diagnostic procedures, common fault codes, symptom-based troubleshooting for engine, electrical, and mechanical issues.
Repair Procedures:
Step-by-step instructions for component removal, overhaul, and reinstallation. Includes engine rebuild, transmission repair, electrical component replacement, suspension work, brake caliper service, etc.
Technical Specifications:
Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic data.
Diagnostic Capabilities:
Advanced diagnostics with wiring diagrams and component testing procedures.
Rebuild Capabilities:
Comprehensive rebuild procedures for all major mechanical components including the engine and transmission.
Engine Family:
Harley-Davidson V-Twin
Engine Type:
Air-cooled, Twin Cam 103 (common for these years)
Bore X Stroke Mm:
Approximately 98.4 mm x 111.1 mm (for Twin Cam 103)
Horsepower Estimated Hp:
Approximately 75-80 HP (at crankshaft)
Torque Estimated Lb Ft:
Approximately 95-100 lb-ft (at crankshaft)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane recommended
Engine Internal Components
Compression Ratio:
Approximately 9.0:1 (for Twin Cam 103)
First Service Km Miles:
Typically 1,000 miles (1,600 km) or 6 months, whichever comes first.
Subsequent Service Km Miles:
Generally every 5,000 miles (8,000 km) or 12 months for routine checks and fluid changes.
Engine Oil Type:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic (or equivalent API CI-4 or higher) recommended.
Engine Oil Capacity Liters:
Approximately 3.4 liters (3.6 US quarts) with filter change.
Primary Chaincase Oil Type:
Harley-Davidson Formula + Transmission & Primary Chaincase Lubricant (or equivalent API GL-5 rated fluid).
Primary Chaincase Oil Capacity Liters:
Approximately 0.95 liters (1 US quart).
Brake Fluid Type:
DOT 4 (for hydraulic clutch and brake systems, consult manual for specific caliper requirements).
Common Wear Items:
Clutch plates, brake pads, tires, belt drive components, fork seals.
Potential Electrical Issues:
Battery charging system components (regulator/stator), although generally robust.
Engine Performance Considerations:
Proper tuning and maintenance are crucial for optimal performance of the Twin Cam engine. Carbon buildup can occur with age and mileage.
Brand History:
Harley-Davidson is an iconic American motorcycle manufacturer with a rich history dating back to 1903, known for its V-twin engines and cruiser/touring motorcycles.
Dyna Platform Heritage:
The Dyna platform was introduced in 1991 and is characterized by its traditional cruiser styling, rubber-mounted engine for reduced vibration, and a robust chassis. The Switchback (FLD) was a specific model within this platform.
Model Production Years:
The Dyna Switchback (FLD) was produced from 2012 to 2016.
Manufacturing Location:
Typically assembled in the United States.
