Engine:
Twin Cam 103, including disassembly, assembly, component testing, and specifications
Fuel System:
EFI (Electronic Fuel Injection), fuel pump, injectors, sensors, fuel tank, lines
Ignition System:
Ignition module, coils, spark plugs, wiring, timing
Exhaust System:
Exhaust pipes, mufflers, heat shields, emissions control
Transmission:
6-speed Cruise Drive, including clutch, primary drive, gearbox, final drive belt
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator), starter, lighting, switches, instrumentation, security system
Chassis And Suspension:
Frame, front fork (telescopic), rear shock absorbers, swingarm, steering head bearings
Brakes:
Front and rear hydraulic disc brakes, calipers, master cylinders, brake lines, ABS (if equipped)
Wheels And Tires:
Wheel bearings, tire types, pressures, wheel balancing
Bodywork And Trim:
Fenders, fuel tank, seat, handlebars, controls, fairing (if applicable), mounting hardware
Diagnostics And Troubleshooting:
Diagnostic codes, fault finding procedures, symptom-based troubleshooting charts
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, drive belt tension, brake fluid flush, tire checks
Engine Repair:
Top-end rebuild, piston/ring replacement, valve adjustment, cylinder head removal/installation
Transmission Repair:
Clutch adjustment/replacement, gear inspection, bearing replacement, primary and secondary drive maintenance
Electrical Troubleshooting:
Wiring harness repair, component testing, diagnosing electrical faults using multimeter and wiring diagrams
Brake System Maintenance:
Brake pad replacement, caliper service, brake fluid bleeding, master cylinder overhaul
Suspension Service:
Front fork seal replacement, rear shock absorber replacement, steering head bearing adjustment
Fuel System Service:
Fuel injector cleaning/replacement, fuel pressure testing, sensor calibration
Wheel And Tire Service:
Wheel bearing replacement, tire mounting/balancing
Special Tool Identification:
Details on required specialized tools for specific repairs
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
Diagnostic Capabilities:
Advanced troubleshooting with symptom charts, electrical schematics, and component testing procedures.
Rebuild Procedures:
Step-by-step instructions for engine, transmission, and major component overhauls with torque specifications and tolerances.
Engine Family:
Harley-Davidson Twin Cam
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. 70-75 HP (at crankshaft, model dependent)
Torque:
Approx. 95-100 lb-ft (at crankshaft, model dependent)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON + MON)/2
Valve Actuation:
Overhead valves (OHV), pushrod actuated
Initial Service:
1,000 miles (1,600 km)
Subsequent Service:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Engine Oil Change:
Every 5,000 miles (8,000 km) or annually.
Transmission Fluid Change:
Every 10,000 miles (16,000 km) or every two years.
Primary Chain Case Oil Change:
Every 10,000 miles (16,000 km) or every two years.
Drive Belt Inspection:
Every 5,000 miles (8,000 km) for tension and condition.
Engine Oil Type:
Harley-Davidson 20W-50 SYN3 Full Synthetic or equivalent API CI-4 rated motorcycle oil.
Engine Oil Capacity:
Approx. 4.0 US quarts (3.8 L) with filter change.
Brake Fluid Type:
DOT 4 hydraulic fluid.
Fork Oil Type:
Refer to manual for specific weight and type, typically a 10W or 15W fork oil.
Common Issues:
Potential for oil leaks from primary or transmission covers, starter solenoid failure, occasional charging system issues, and transmission bearing noise at higher mileage.
110Th Anniversary Specific:
Generally reliable as it represents mature Twin Cam technology; however, standard Harley-Davidson maintenance practices apply.
Brand Origin:
Founded in Milwaukee, Wisconsin, USA, in 1903.
Dyna Line:
The Dyna line, introduced in 1991, featured a rubber-mounted engine for reduced vibration, distinguishing it from the rigid-mounted Big Twin frames.
Super Glide Custom:
The FXDC Super Glide Custom combined classic styling with modern performance, offering a custom look with comfortable ergonomics.
Production Years:
The Dyna platform ran from 1991 to 2017. The FXDC model was produced in various forms throughout this period.
Anniversary Edition:
The 110th Anniversary Edition models (ANV) were produced in 2013 to commemorate Harley-Davidson's 110th anniversary, often featuring unique paint schemes and badging.