Market Segment:
Cruiser motorcycle, targeted at riders seeking a classic Harley-Davidson styling with modern performance and rider aids.
Key Competitors:
Competes with other large-displacement V-twin cruisers from brands like Indian Motorcycle, Victory Motorcycles (now defunct), and some Japanese manufacturers in the cruiser segment.
Model Focus:
The Low Rider (FXDL) typically features a lower seat height, mid-mount controls, and dual front disc brakes, distinguishing it within the Dyna family for a more accessible and comfortable riding position.
Primary Coverage:
Maintenance and repair procedures for the 2015 Harley-Davidson FXDL Low Rider.
Scope:
Comprehensive coverage of all factory-specified maintenance, troubleshooting, diagnostics, and repair operations.
Estimated Page Count:
Refer to actual manual for exact count; typical factory service manuals for this era are extensive, often exceeding 500 pages.
Type:
Factory Service Manual / Repair Manual
Engine:
Detailed procedures for Twin Cam 103 engine, including disassembly, assembly, timing, fuel injection, ignition, lubrication, and cooling systems.
Transmission:
Service and repair for the 6-speed Cruise Drive transmission, including clutch, primary drive, and gearbox.
Electrical System:
Complete wiring diagrams, diagnostic procedures, component testing, ECM, ignition system, lighting, charging system, and accessory circuits.
Chassis Suspension:
Front fork (49mm Telescopic) and rear shock absorber service, wheel and tire information, braking system (ABS optional), and steering system.
Fuel System:
Diagnosis and repair of Electronic Sequential Port Fuel Injection (ESPFI), fuel pump, injectors, and throttle body.
Exhaust System:
Specifications and service procedures for the exhaust system.
Bodywork Frame:
Procedures for fairings, fenders, fuel tank, seating, and frame components.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, air cleaner maintenance, brake fluid checks, and tire pressure checks.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), and systematic diagnostic procedures for all major systems.
Rebuilds:
Detailed procedures for engine, transmission, and fork overhauls and rebuilds.
Adjustments:
Clutch adjustment, throttle cable adjustment, brake lever adjustments, and suspension settings.
Component Replacement:
Step-by-step instructions for replacing components such as batteries, starters, alternators, sensors, and lighting units.
Depth:
Comprehensive, covering everything from basic owner maintenance to advanced engine and electrical system diagnostics and repairs, suitable for professional mechanics and skilled DIY enthusiasts.
Engine Type:
Air-cooled, Twin Cam 103™
Displacement:
103 cubic inches (1690 cc)
Bore X Stroke:
3.875 in. x 4.38 in. (98.4 mm x 111.3 mm)
Valvetrain:
Pushrod-actuated overhead valves with hydraulic lifters, 2 valves per cylinder
Rated Horsepower:
Approximately 77 hp @ 5010 rpm (Source: Harley-Davidson specifications)
Rated Torque:
Approximately 97 ft-lbs @ 3500 rpm (Source: Harley-Davidson specifications)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Capacity:
5 gallons (18.9 L)
Fuel Type:
Premium unleaded gasoline, 91 octane or higher recommended
Crash Test Ratings:
Motorcycles are not typically subjected to standardized crash testing like automobiles. Safety is dependent on rider skill and adherence to safe riding practices.
Braking System:
Optional Anti-lock Braking System (ABS) available. Front and rear disc brakes.
Lighting:
Halogen headlamp, LED tail lamp, and front/rear turn signals.
Initial Service:
First service typically at 1,000 miles (1600 km) for engine oil and filter change, primary chain tension adjustment, and general inspection.
Regular Oil Change:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Transmission Oil Change:
Every 10,000 miles (16,000 km) or every two years.
Brake Fluid Flush:
Every 24 months, regardless of mileage.
Engine Oil:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic (or equivalent SAE 20W-50 API CI-4 or higher). Check manual for specific API service classification.
Transmission Oil:
Harley-Davidson Genuine Formula + (or equivalent GL-4 75W-90 gear oil). Check manual for specific specifications.
Primary Chain Case Oil:
Harley-Davidson Genuine Formula + (or equivalent GL-4 75W-90 gear oil).
Brake Fluid:
DOT 4 (for ABS and non-ABS models).
Fork Oil:
Refer to manual for specific weight and type (typically around 15W). Capacity per fork leg is critical.
Engine Oil Leaks:
Common areas for minor leaks can include primary cover gaskets, transmission end seals, and rocker box gaskets. Regular inspection is recommended.
Cam Chain Tensioners:
Early Twin Cam engines experienced wear on the cam chain tensioners. While the 2015 models may have updated components, it's a known point of concern for some riders to monitor or proactively upgrade.
Electrical Connections:
Corrosion or loose connections at switches, grounds, and connectors can lead to intermittent electrical issues.
Charging System:
While generally robust, stator or regulator/rectifier failures can occur over time, impacting battery charging.
Brand Legacy:
Harley-Davidson, founded in 1903, boasts over a century of motorcycle manufacturing, synonymous with American cruiser culture and a distinctive V-twin engine sound.
Dyna Family:
The FXDL Low Rider is part of the Dyna family, which was characterized by its traditional styling, robust chassis, and accessible performance, later superseded by the Softail platform.
Manufacturing Location:
United States (Various Harley-Davidson facilities)
Model Reputation:
The Dyna Low Rider is recognized for its balanced performance, comfortable ergonomics, and classic Harley-Davidson styling, making it a popular choice within the cruiser segment.
Owner Satisfaction:
Generally high owner satisfaction, particularly for riders who appreciate the Dyna platform's feel and customization potential.
