Positioning:
The 2013 Harley-Davidson Dyna series represents a cornerstone of the brand's cruiser lineup, blending classic styling with modern performance. This workshop service manual is essential for owners and technicians aiming to maintain and repair these iconic motorcycles.
Competitors:
Competes with other American V-twin cruisers from manufacturers like Indian Motorcycle, as well as Japanese cruisers from Honda (Shadow series), Yamaha (Star series), and Kawasaki (Vulcan series) in terms of style and market segment.
Features Highlight:
The Dyna platform is known for its accessible riding position, rubber-mounted engine for reduced vibration, and a wide range of customization options. The 2013 models typically feature the Twin Cam engine, offering a balance of power and torque.
Engine:
Detailed repair and overhaul procedures for all Dyna engine variants, including Twin Cam 103 and Twin Cam 96 engines. Covers engine assembly, disassembly, lubrication system, cooling system (air-cooled), ignition system, fuel system (EFI), exhaust system, and emissions control.
Transmission:
Complete service and repair procedures for the 6-speed Cruise Drive transmission. Includes clutch operation, gearbox disassembly and assembly, shifter mechanism, and final drive maintenance.
Chassis:
Covers frame, suspension (front forks, rear shock absorbers), steering system, wheel bearings, and swingarm maintenance and repair.
Brakes:
Detailed procedures for front and rear brake systems, including hydraulic components, brake pads, rotors, calipers, and bleeding procedures.
Electrical:
Comprehensive coverage of the electrical system, including wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), ignition system, lighting, instrumentation, and accessories.
Fuel System:
In-depth information on the Electronic Fuel Injection (EFI) system, including fuel pump, injectors, throttle body, sensors, and diagnostic procedures.
Bodywork:
Procedures for body panel removal and installation, fenders, fuel tank, seat, and other cosmetic components.
Maintenance:
Routine scheduled maintenance, oil changes, filter replacements (oil, air), spark plug replacement, brake fluid service, chain lubrication and adjustment (where applicable), and general inspection checklists.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon problems. Includes symptom-based troubleshooting guides for engine, electrical, and chassis issues.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly. Covers major component overhauls and replacements.
Diagnostics:
Guidance on using diagnostic tools and interpreting fault codes for EFI systems. Includes information on sensor testing and circuit analysis.
Depth:
Comprehensive. Covers everything from basic fluid checks and adjustments to complete engine and transmission rebuilds, advanced electrical diagnostics, and component-level repairs. Suitable for both DIY enthusiasts and professional technicians.
Engine Type:
Air-cooled, Twin Cam 103™ (or Twin Cam 96™ in some variants)
Displacement:
1690 cc (103 cubic inches) / 1584 cc (96 cubic inches)
Bore X Stroke:
For Twin Cam 103: 3.875 in. x 4.38 in. (98.4 mm x 111.3 mm) / For Twin Cam 96: 3.75 in. x 4.38 in. (95.3 mm x 111.3 mm)
Compression Ratio:
Typically 9.7:1 for Twin Cam 103, 9.0:1 for Twin Cam 96
Horsepower:
Approx. 75-85 HP (variant dependent)
Torque:
Approx. 95-105 lb-ft @ 3000-3500 RPM (variant dependent)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Oil Capacity:
Approx. 4 quarts (3.8 liters) with filter change
Recommended Oil:
Harley-Davidson SYN3 Synthetic (20W-50) or equivalent V-twin specific motorcycle oil.
Type:
6-Speed Cruise Drive
Gear Ratios:
1st: 9.312, 2nd: 6.494, 3rd: 4.749, 4th: 3.800, 5th: 3.152, 6th: 2.709
Optional Transmissions:
N/A (standard for the platform)
Clutch:
Hydraulic, multi-plate wet clutch
Transmission Oil Capacity:
Approx. 2.7 quarts (2.5 liters) of Harley-Davidson Synthetic Transmission Fluid or equivalent.
Transmission Fluid:
Harley-Davidson Synthetic Transmission Fluid (Formula +) or equivalent 80W-90 GL-5 gear oil is often recommended, though the manual will specify the precise Harley-Davidson fluid.
Length:
Varies by specific Dyna model (e.g., Fat Bob, Street Bob, Wide Glide), typically around 92-93 inches (233-236 cm).
Width:
Varies by specific Dyna model, typically around 35-37 inches (89-94 cm).
Height:
Varies by specific Dyna model, typically around 47-50 inches (119-127 cm).
Dry Weight:
Varies by model, typically around 640-690 lbs (290-313 kg).
Gross Vehicle Weight Rating:
Typically around 1000-1100 lbs (454-499 kg).
Wheelbase:
Varies by model, typically around 64.4 inches (163.5 cm).
Cargo Capacity:
N/A (Motorcycle)
Safety Ratings:
N/A (Motorcycle safety is evaluated differently than automotive; focus is on design and active safety features.)
Braking System:
Dual front disc brakes and single rear disc brake. Anti-lock Braking System (ABS) may be optional or standard depending on the specific Dyna model and market.
Lighting:
Halogen headlight, LED tail/brake light, amber incandescent front turn signals, and often front running lights.
Frame Construction:
Steel frame and swingarm designed for stability and handling.
Seat Design:
Ergonomically designed rider and passenger seating for comfort and control.
Infotainment System:
Basic instrumentation typically includes speedometer, tachometer (on some models), fuel gauge, gear indicator, and indicator lights. Advanced infotainment systems are generally aftermarket additions.
Driver Assistance Features:
ABS (Anti-lock Braking System) was an available option on many 2013 Dyna models.
Connectivity:
Primarily analogue and basic digital readouts. No native smartphone integration or Bluetooth connectivity on stock units.
Initial Service:
First service typically at 1,000 miles (1,600 km) or 6 months, whichever comes first. Includes oil change, filter replacement, inspection of all systems.
Subsequent Service:
Subsequent service intervals are typically every 5,000 miles (8,000 km) or 12 months for oil changes and inspections. More comprehensive checks and fluid changes (e.g., transmission, primary chaincase) are recommended at 10,000 or 20,000-mile intervals as per the manual.
Engine Oil Type:
Harley-Davidson SYN3 (20W-50) or equivalent V-twin specific synthetic motorcycle oil. Check owner's manual for specific viscosity recommendations based on ambient temperature.
Transmission Oil Type:
Harley-Davidson Synthetic Transmission Fluid or equivalent 80W-90 GL-5 gear oil.
Primary Chaincase Oil Type:
Harley-Davidson primary chaincase lubricant or equivalent SAE 50 motorcycle oil.
Brake Fluid Type:
DOT 4 brake fluid.
Common Wear Items:
Clutch plates (wear based on use), brake pads, tires, spark plugs, drive belt (if applicable, some Dynas used chain final drive), wheel bearings, fork seals.
Potential Troubles:
Oil leaks (e.g., primary cover, transmission, engine seals), charging system issues (stator/regulator), fuel injector fouling, exhaust leaks, ABS sensor faults (if equipped), speedometer calibration issues.
Heritage:
Harley-Davidson boasts a rich heritage dating back to 1903, synonymous with American motorcycling culture, freedom, and individuality. The brand is revered for its V-twin engines and iconic styling.
Evolution:
The Dyna line, introduced in 1991, evolved from the earlier FXR chassis. It became known for its more modern chassis design compared to the Softail, featuring dual rear shocks and a distinct, often more performance-oriented stance. Key evolutions included the introduction of the Twin Cam engine in the late 1990s and continuous updates to fuel injection and other technologies.
Production Years Dyna:
1991-2017 (The Dyna platform was phased out and replaced by the new Softail platform starting in 2018).
Manufacturing Location:
Primarily manufactured in the United States (e.g., Milwaukee, Wisconsin; York, Pennsylvania).