🏷️ Basic Information

Make:

Harley-Davidson

Model:

FXD Dyna

Year:

2007

Platform Code:

Dyna

Engine Family:

Twin Cam 96

👋 Introduction

Target Audience:

Harley-Davidson owners, independent repair shops, and motorcycle enthusiasts performing their own maintenance and repairs.

Value Proposition:

Provides essential, detailed information to maintain, diagnose, and repair the 2007 FXD Dyna series, saving on dealership service costs and enabling self-sufficiency.

Comparison To Alternatives:

Offers a more detailed and systematic approach than generic online forums or owner's manuals, providing the depth required for complex repairs and diagnostics.

Illustrations:

Features clear, step-by-step instructions accompanied by detailed illustrations and diagrams.

Original Documentation:

Represents original manufacturer documentation, ensuring accuracy and completeness.

📋 Manual Details

General Coverage:

Complete service and repair information for the 2007 Harley-Davidson FXD Dyna series.

Specific Models Covered:

FXD, FXDC, FXDB, FXDWG (specific coverage may vary, consult manual index for exact models).

Estimated Pages:

Estimated 600-800+ pages (typical for comprehensive service manuals of this era).

Type:

Service Repair Manual / Workshop Manual

Primary Language:

English

Digital Format:

Downloadable PDF

📖 Manual Coverage

Engine:

Full engine overhaul, disassembly, assembly, tuning, diagnostics, fuel injection system (EFI), ignition system, lubrication system, cooling system (air-cooled).

Transmission:

5-speed Cruise Drive transmission, clutch, primary drive, final drive, maintenance, repair, and troubleshooting.

Chassis And Suspension:

Frame, front fork (e.g., 49mm Telescopic Fork), rear shock absorbers, wheel bearings, steering head bearings, swingarm, maintenance and repair.

Brakes:

Front and rear brake systems, hydraulic lines, master cylinders, calipers, pads, rotors, bleeding procedures, troubleshooting.

Electrical System:

Battery, charging system (alternator, regulator/rectifier), starting system (starter motor), lighting system, ignition switch, electrical diagrams, wiring harness, fuses, relays, diagnostics.

Fuel System:

Fuel tank, fuel pump, fuel injectors, throttle body, fuel lines, EVAP system, diagnostics.

Body And Trim:

Fenders, fuel tank, seat, handlebars, foot controls, exhaust system, body panel removal and installation.

Diagnostics:

Troubleshooting procedures for common and uncommon issues, diagnostic trouble codes (DTCs) for EFI system.

Scheduled Maintenance:

Detailed service intervals, oil changes, filter replacements, brake fluid flushes, spark plug replacement, drive belt inspection/adjustment.

Engine Overhaul:

Complete engine disassembly, inspection, repair, and reassembly of pistons, cylinders, crankshaft, camshafts, valves, and more.

Transmission Repair:

Gearbox disassembly, inspection, replacement of gears, bearings, and seals; clutch replacement.

Electrical Troubleshooting:

Step-by-step diagnostics for electrical faults using wiring diagrams and test procedures.

Brake System Service:

Pad replacement, caliper service, rotor replacement, brake fluid flush and bleeding.

Suspension And Steering:

Front fork seal replacement, fork oil change, steering head bearing adjustment/replacement.

Fuel System Cleaning And Repair:

Injector cleaning, throttle body service, fuel pump diagnostics.

Wheel And Tire Service:

Tire installation and balancing, wheel bearing maintenance.

Exhaust System Maintenance:

Exhaust pipe and muffler inspection and replacement.

Level Of Detail:

Comprehensive, suitable for professional technicians and experienced DIY mechanics.

Diagnostic Capabilities:

Detailed diagnostic flowcharts, symptom-based troubleshooting guides, and specific component testing procedures.

Rebuild Procedures:

Full engine and transmission rebuild instructions with specifications and tolerances.

Wiring Diagrams:

Includes detailed electrical schematics and wiring diagrams for all systems.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format)

Resolution:

High-resolution, ensuring clarity of text, diagrams, and illustrations.

Searchability:

Likely text-searchable PDF, allowing users to quickly find specific information.

Physical Format:

N/A (Digital Download)

Physical Format:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Air-cooled, 45-degree V-twin, Evolution (Evo) family.

Displacement:

96 cubic inches (1584 cc)

Bore X Stroke:

3.75 in x 4.48 in (95.25 mm x 113.9 mm)

Compression Ratio:

8.9:1

Valve Train:

Overhead valves (OHV), pushrod-actuated, two valves per cylinder.

Cylinder Heads:

Trivalve (one intake, one exhaust per cylinder).

Cooling System:

Air-cooled

Horsepower Est:

Approx. 65-70 HP (at crankshaft, may vary slightly by specific model variant).

Torque Est:

Approx. 85-90 ft-lbs (at crankshaft, may vary slightly).

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI).

Fuel Type:

Unleaded gasoline, minimum 91 octane (Octane Rating).

Type:

Distributorless Electronic Ignition (ESPFI).

🔧 Transmission

Type:

5-speed Cruise Drive

Gear Ratios:

1st: 9.312, 2nd: 6.392, 3rd: 4.737, 4th: 3.833, 5th: 3.150 (typical ratios, refer to manual for exact values).

Primary Drive:

Spur gear, 34/46 ratio (1.353:1)

Final Drive:

Belt drive, 32/66 ratio (2.063:1)

Clutch:

Hydraulically actuated, multi-plate, wet clutch.

Transmission Fluid Type:

Harley-Davidson Formula+ Transmission and Primary Chain Case Lubricant or equivalent (e.g., SAE 50W API GL-4).

📐 Dimensions

Wheelbase Est:

64.2 inches (1630 mm)

Length Est:

90.9 inches (2309 mm)

Seat Height Est:

26.7 inches (678 mm)

Dry Weight Est:

595 lbs (270 kg)

Gross Vehicle Weight Rating Est:

1000 lbs (454 kg)

🛡️ Safety Features

Crash Test Data:

Not applicable to motorcycles in the same way as automobiles. Safety focus is on handling, braking, and rider protection.

Braking System:

Dual-piston front and rear caliper disc brakes.

Lighting:

Halogen headlight, LED taillight/brake light, amber turn signals.

Frame Construction:

Steel frame and swingarm providing inherent structural integrity.

Ergonomics:

Designed for rider comfort and control, although rider experience can vary.

💡 Technology Features

Audio System:

Optional factory-installed or dealer-installed audio systems (radio, CD player) were available on some Dyna models, though often basic.

Display:

Analog speedometer, tachometer, fuel gauge, and indicator lights. No digital displays or complex infotainment systems typical of modern vehicles.

Features:

None. Motorcycles of this era did not feature electronic driver assistance systems like ABS (standard), traction control, or adaptive cruise control.

Features:

No integrated smartphone connectivity or Bluetooth features.

🔧 Maintenance

First Service:

1,000 miles (1,600 km) or 6 months.

Subsequent Service:

Every 5,000 miles (8,000 km) or 12 months thereafter. Certain items have specific mileage or time intervals.

Engine Oil:

Harley-Davidson SYN3 (Synthetic) SAE 20W-50 V-Twin Motorcycle Oil or equivalent (refer to manual for specific API classification and quantity).

Transmission Primary Fluid:

Harley-Davidson Formula+ Transmission and Primary Chain Case Lubricant or SAE 50W API GL-4 gear oil.

Brake Fluid:

DOT 4 hydraulic fluid.

Fork Oil:

Typically SAE 15W fork oil (refer to manual for specific type and quantity per fork leg).

Common Wear Items:

Clutch plates, brake pads, drive belt, wheel bearings, fork seals, spark plugs.

Electrical Gremlins:

Occasional issues with charging systems (regulator/rectifier), starter solenoids, or wiring harness connections if not maintained.

Engine Mounting:

Rubber engine mounts can wear over time, leading to increased vibration. This is inherent to the Dyna design for comfort.

Fuel System Reliability:

While EFI is generally reliable, occasional injector clogging or issues with the fuel pump can occur, especially with lower quality fuel.

📚 Vehicle History

Brand Identity:

Harley-Davidson, established 1903, known for its iconic cruiser motorcycles and distinct V-twin engine sound.

Dyna Lineage:

The Dyna line, introduced in 1991, featured a traditional motorcycle look with a rubber-mounted engine for vibration isolation. It was positioned between the lighter Sportster and the larger Touring models.

2007 Update:

The 2007 model year was significant for Harley-Davidson, marking the introduction of the Twin Cam 96 engine across most of the lineup, including the Dyna series, replacing the older Twin Cam 88. This also coincided with the transition to Electronic Fuel Injection (EFI) for all models.

Manufacturing Location:

United States (primarily York, Pennsylvania and Milwaukee, Wisconsin).

🏆 Awards & Recognition

Industry Standing:

The Harley-Davidson Dyna platform is widely recognized for its classic styling, comfortable riding position, and customization potential, making it a popular choice among riders.