Positioning:
The Harley-Davidson Road Glide Custom (FLTRX) is a premium Grand American Touring motorcycle, known for its distinctive 'shark-nose' fairing, comfortable ride, and powerful V-twin engine, appealing to riders who prioritize long-distance comfort and classic styling.
Competitors:
Key competitors include other large-displacement touring motorcycles from brands like Indian Motorcycle (e.g., Chieftain, Roadmaster), Honda (e.g., Gold Wing), and BMW (e.g., K 1600 B).
Touring Features:
Fixed fairing with large windshield, integrated saddlebags, comfortable seating for rider and passenger, premium audio system, cruise control, and ample storage capacity for extended trips.
Utility:
This workshop service repair manual is an indispensable tool for owners and technicians seeking to perform maintenance, diagnostics, and repairs on the Harley-Davidson Road Glide Custom FLTRX models from 2014-2017. It provides the in-depth technical information necessary to keep the motorcycle in optimal condition.
Engine:
Engine disassembly, assembly, inspection, troubleshooting, performance tuning, internal components (pistons, rings, valves, camshafts, crankshaft), lubrication system, cooling system (if applicable), fuel injection system, ignition system.
Transmission:
Gearbox disassembly, assembly, clutch operation, lubrication, troubleshooting, shifting mechanisms, primary drive system.
Electrical:
Wiring diagrams, starter system, charging system (alternator, regulator), battery, lighting systems (headlight, taillight, turn signals), instrumentation, ignition switch, fuses, relays, diagnostic trouble codes (DTCs), infotainment system wiring.
Chassis:
Frame, suspension (front forks, rear shocks), swingarm, steering system, wheel bearings, brake system (hydraulic, ABS, calipers, master cylinders, lines), wheel and tire specifications.
Bodywork:
Fairing removal and installation, body panel repairs, mounting points, seat assembly, fuel tank, fenders, luggage systems.
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements (oil, air), spark plug replacement, brake fluid flush, clutch fluid flush, lubrication points, tire pressure checks, battery maintenance.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts, electrical system diagnostics, engine performance problems, braking issues, starting problems.
Repair:
Detailed step-by-step repair procedures for all major components, including engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical component replacement.
Specifications:
Torque specifications for all fasteners, measurement specifications (clearances, runout), fluid capacities, electrical system specifications (voltage, resistance).
Diagnostic Codes:
Detailed explanations and troubleshooting procedures for diagnostic trouble codes (DTCs) related to engine management, ABS, and infotainment systems.
Depth:
Comprehensive. Covers everything from basic maintenance and fluid checks to full engine and transmission rebuilds, advanced electrical diagnostics, and chassis component overhauls.
Engine Type:
Air-cooled, Twin Cam 103" V-twin
Displacement:
103 cubic inches (1690 cc)
Bore X Stroke:
3.875 in. x 4.38 in. (98.4 mm x 111.3 mm)
Horsepower:
Approx. 75-80 HP (at crankshaft, depending on specific tune and dyno)
Torque:
Approx. 100-105 ft-lbs (at crankshaft, depending on specific tune and dyno)
Torque Peak Rpm:
Approximately 3500 RPM (peak torque)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/91 AKI recommended
Oil Type:
Harley-Davidson Genuine V-Twin Synthetic SAE 20W-50 Engine Oil or equivalent
Oil Capacity:
Approximately 4 quarts (3.8 L) with filter change
Infotainment System:
Boom! Box 6.5GT infotainment system with a 6.5-inch color touchscreen, AM/FM radio, USB port, Bluetooth connectivity, and optional GPS navigation.
Audio System:
Integrated dual speakers (fairing mounted), with amplifier. Can support handlebar audio controls.
Cruise Control:
Standard electronic cruise control.
Connectivity Features:
Bluetooth for phone and music streaming, USB input for audio devices and device charging.
Engine Oil Change:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first.
Transmission Primary Oil Change:
Every 10,000 miles (16,000 km) or 12 months.
Brake Fluid Flush:
Every 24 months, regardless of mileage.
Clutch Fluid Flush:
Every 24 months, regardless of mileage.
Air Filter Inspection:
Every 5,000 miles (8,000 km).
Spark Plug Replacement:
Refer to manual; typically around 10,000-20,000 miles (16,000-32,000 km).
Engine Oil Spec:
Harley-Davidson Genuine V-Twin Synthetic SAE 20W-50
Transmission Primary Oil Spec:
Harley-Davidson Genuine Formula + Transmission and Primary Chaincase Lubricant
Brake Fluid Spec:
DOT 4 (or as specified in the original owner's manual)
Brake Fluid Type:
DOT 4 specification, as recommended by the manufacturer, for optimal braking performance and fluid longevity.
Common Wear Items:
Brake pads, clutch plates, tires, wheel bearings, fork seals, spark plugs, and battery are common wear items requiring periodic inspection and replacement.
Potential Issues 2014-2017:
While generally robust, specific Twin Cam 103 engines might experience issues related to cam chain tensioners (hydraulic tensioners are preferred), oil leaks, and potential starter clutch wear over high mileage. The manual will provide diagnostic steps for these.
Brand Legacy:
Harley-Davidson, founded in 1903, boasts a rich heritage of American motorcycle manufacturing, known for its iconic V-twin engines, distinctive styling, and a loyal global following.
Road Glide Lineage:
The Road Glide model line, introduced in 1980, is characterized by its frame-mounted fairing, which offers superior aerodynamic stability and rider comfort compared to traditional fork-mounted fairings. The FLTRX variant specifically targets riders seeking a balance of touring capability and a more aggressive custom aesthetic.
Manufacturing Location:
Primarily manufactured in York, Pennsylvania, and Milwaukee, Wisconsin, USA.
