🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2007

Platform:

Dyna

Vin Decoder Country Code:

4 - USA (likely)

👋 Introduction

Category:

Cruiser Motorcycle

Segment:

Performance Cruiser

Competitors:

Other Harley-Davidson models, Indian Motorcycles, Victory Motorcycles, Japanese cruisers (e.g., Yamaha V-Star, Honda Shadow, Kawasaki Vulcan).

Engine Platform:

Harley-Davidson's Twin Cam 96B engine, known for its distinctive V-twin rumble and torque.

Chassis Design:

Dyna chassis, offering a more performance-oriented ride compared to Softail models, often featuring dual rear shock absorbers.

Customization Potential:

High potential for customization, a hallmark of Harley-Davidson motorcycles.

📋 Manual Details

Models Covered:

All Dyna Models (e.g., Street Bob, Super Glide, Low Rider, Fat Bob, Wide Glide)

Engines Covered:

All engines for the 2007 Dyna platform (primarily Twin Cam 96B)

Trim Levels Covered:

All trim levels

Transmissions Covered:

All transmissions for the 2007 Dyna platform (likely 6-speed Cruise Drive)

Estimated Page Count:

500-800 pages (typical for comprehensive service manuals)

Type:

Workshop Repair Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

Comprehensive coverage including disassembly, assembly, inspection, and repair of Twin Cam 96B engine components (pistons, cylinders, crankshaft, camshafts, valvetrain, oil pump, primary drive, etc.).

Transmission:

Detailed procedures for 6-speed Cruise Drive transmission servicing, including clutch, gears, bearings, and final drive belt inspection.

Fuel System:

EFI (Electronic Fuel Injection) system diagnostics and repair, fuel pump, injectors, throttle body, sensors, and fuel tank servicing.

Ignition System:

Ignition module, spark plugs, ignition coils, and related wiring diagnostics.

Electrical System:

Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), battery, lighting, instrumentation, horn, and accessory circuits.

Brakes:

Front and rear brake system service, including hydraulic circuits, master cylinders, calipers, brake pads, rotors, and bleeding procedures.

Suspension:

Front fork (e.g., Springer or conventional telescopic) overhaul, fork oil changes, seal replacement, and rear shock absorber servicing.

Chassis And Frame:

Frame inspection, steering head bearing service, swingarm and pivot bearing maintenance.

Wheels And Tires:

Wheel bearing service, tire mounting and balancing, spoke tensioning (if applicable).

Bodywork And Fittings:

Fender, fuel tank, seat, handlebars, and control lever replacement and adjustment.

Diagnostics:

Troubleshooting charts, diagnostic trouble codes (DTCs) and their meanings, procedures for using diagnostic tools (e.g., Harley-Davidson Digital Technician Lite).

Maintenance:

Scheduled maintenance (oil changes, filter replacements, spark plug checks, belt tensioning, brake fluid flushes), lubrication points, and general upkeep.

Repair:

Step-by-step repair instructions for all major mechanical and electrical systems, including component replacement and reassembly.

Troubleshooting:

Systematic approaches to diagnosing and resolving common and uncommon problems, often with flowcharts or guided procedures.

Disassembly Assembly:

Detailed instructions for taking apart and putting back together all major vehicle components.

Wiring Diagrams:

Comprehensive and detailed electrical wiring schematics for all circuits.

Torque Specifications:

Essential torque values for all fasteners and critical components.

Depth:

Comprehensive (covers everything from routine maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and chassis work).

Target Audience:

Professional mechanics and experienced DIY enthusiasts.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick keyword lookup.

Quality:

High-resolution digital images and clear text, suitable for printing.

Binding:

N/A (Digital PDF download)

Paper:

N/A (Digital PDF download)

⚙️ Engine Specifications

Engine Type:

Air-cooled, Twin Cam 96B V-twin

Displacement:

1584 cc (96 cubic inches)

Bore X Stroke:

3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)

Compression Ratio:

8.8:1

Valve Train:

Overhead valve (OHV), 2 valves per cylinder, pushrod actuated

Cooling System:

Air-cooled

Horsepower:

Approx. 70-75 HP (estimated, varies by model and tuning)

Torque:

Approx. 90-95 ft-lbs @ 3000 RPM (estimated, varies by model and tuning)

Induction:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 87 octane

🔧 Transmission

Type:

6-speed Cruise Drive manual transmission

Gear Ratios:

1st: 9.311, 2nd: 6.454, 3rd: 4.783, 4th: 3.794, 5th: 3.279, 6th: 2.790 (typical ratios, check specific model for exact values)

Primary Drive:

Duplex chain, 34/46 ratio

Final Drive:

Belt drive, 32/66 ratio

Clutch:

Wet, multi-plate

Transmission Fluid Spec:

Harley-Davidson Formula+ (or equivalent SAE 50 motorcycle oil) - 26 oz. (769 ml)

📐 Dimensions

Length:

Varies by model (e.g., approx. 90-94 inches)

Seat Height:

Varies by model (e.g., approx. 25-27 inches unladen)

Ground Clearance:

Varies by model (e.g., approx. 4.5-5.5 inches)

Dry Weight:

Varies by model (e.g., approx. 640-680 lbs)

Gross Vehicle Weight Rating:

Varies by model (typically around 1100-1150 lbs)

Payload Capacity:

Varies by model (typically around 400-450 lbs)

🛡️ Safety Features

Crash Test Ratings:

Not applicable in the same way as automobiles; focus is on rider safety features.

Brakes:

Hydraulic disc brakes (front and rear), ABS available on some models/trims.

Lighting:

Headlight, taillight, brake light, turn signals.

Frame Construction:

Robust steel frame designed for stability and handling.

Ergonomics:

Designed for rider comfort and control, though ergonomics vary significantly by specific Dyna model (e.g., low rider vs. sportier configurations).

💡 Technology Features

Audio System:

Base models typically do not feature a factory-installed audio system. Many owners opt for aftermarket solutions.

Instrumentation:

Analog speedometer, tachometer (on some models), fuel gauge, odometer, trip meter, indicator lights (oil pressure, battery, neutral, turn signals, high beam).

ABS:

Anti-lock Braking System (ABS) was an optional feature on some 2007 Dyna models.

Cruise Control:

Cruise control was generally not a standard feature on Dyna models in 2007, often an aftermarket accessory.

Bluetooth:

No factory Bluetooth connectivity for audio or phone integration on standard 2007 models.

Diagnostic Port:

Diagnostic connector for electronic diagnostics (e.g., Harley-Davidson Digital Technician).

🔧 Maintenance

First Service:

Typically at 1,000 miles (engine oil, primary chain case oil, filter replacement, clutch adjustment, spark plug check, lubrication).

Subsequent Service:

Every 5,000 miles or annually (whichever comes first), including engine oil, primary chain case oil, filter changes, brake fluid checks, and comprehensive inspection.

Specific Tasks:

Fork oil change (typically every 2 years or 20,000 miles), drive belt inspection/tensioning (every 5,000 miles), brake fluid flush (every 2 years).

Engine Oil:

Harley-Davidson SYN3 (20W-50) or equivalent motorcycle-specific 20W-50 synthetic oil. Capacity: 3.5 U.S. quarts (3.3 liters).

Primary Chain Case Oil:

Harley-Davidson Formula+ or equivalent SAE 50 motorcycle oil. Capacity: 26 fl. oz. (769 ml).

Transmission Oil:

Harley-Davidson Formula+ or equivalent SAE 50 motorcycle oil. Capacity: 26 fl. oz. (769 ml) - typically shared with the primary.

Brake Fluid:

DOT 4 (non-silicone based) for hydraulic brakes. Check reservoir cap for specific requirements.

Fork Oil:

Varies by model and fork type, typically a 10W or 15W fork oil. Check manual for specific weight and capacity.

Cam Chain Tensioner:

Early Twin Cam models (including some 2007) can experience wear on the hydraulic cam chain tensioners. Replacement with upgraded hydraulic tensioners or the Screamin' Eagle cam plate/tensioner upgrade is recommended.

Stiction In Forks:

Some Dyna models may experience fork stiction due to internal seal or bushing wear. Regular fork oil changes and proper maintenance help mitigate this.

Primary Bearing Wear:

While less common than on earlier models, checking primary bearing runout and condition is part of good maintenance.

Clutch Adjustment:

Cable clutch requires periodic adjustment to maintain proper free play for optimal clutch engagement and disengagement.

📚 Vehicle History

Legacy:

Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich history of innovation and a strong cultural identity.

Dyna Lineage:

The Dyna line was introduced in 1991 and was characterized by its traditional styling, rubber-mounted engine for reduced vibration, and dual rear shock absorbers. It served as a bridge between the rigid-frame Sportster and the Softail's hidden rear suspension.

2007 Updates:

The 2007 model year saw the widespread adoption of the Twin Cam 96B engine across the Dyna range, replacing the previous Evolution Big Twin. This brought increased displacement, power, and a 6-speed transmission as standard.

Manufacturing Location:

United States (various Harley-Davidson assembly plants).

Production Period:

The Dyna platform was produced from 1991 to 2017, after which it was succeeded by the Softail platform with significant chassis changes.

🏆 Awards & Recognition

Industry Recognition:

The Twin Cam 96 engine and the Dyna platform as a whole are recognized for their strong torque delivery and classic American V-twin character, contributing to Harley-Davidson's enduring popularity.

Consumer Satisfaction:

Generally high consumer satisfaction for the Harley-Davidson riding experience, though specific mechanical reliability perceptions can vary.

Emissions:

Compliant with U.S. EPA emissions standards for the model year.