🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2002

Model Variants:

All Dyna Models (Super Glide, Low Rider, Wide Glide, Fat Bob, etc.)

Engine Variants:

All engine variants offered for the 2002 Dyna line

Vin Model Year:

2002

👋 Introduction

Motorcycle Segment:

Cruiser motorcycle segment, known for its V-twin character and customization potential.

Target Audience:

Owners and independent mechanics seeking detailed information for maintaining and repairing their 2002 Harley-Davidson Dyna motorcycles.

Key Competitors Era:

Other American V-twin manufacturers (e.g., Indian), Japanese cruisers (e.g., Honda Shadow, Yamaha V-Star, Kawasaki Vulcan) offering similar styling and displacement classes.

Drivetrain Layout:

Longitudinal V-twin engine, chain-driven camshafts (in evolution from earlier models), belt final drive.

Frame Construction:

Steel frame, typically a steel backbone and downtube configuration.

Customization Potential:

Highly regarded for its customizability, a significant factor for Harley-Davidson owners.

📋 Manual Details

Primary Coverage:

Comprehensive service, maintenance, and repair for the 2002 Harley-Davidson Dyna series.

Secondary Coverage:

Troubleshooting guides, electrical diagnostics, chassis adjustments, engine rebuilding procedures.

Estimated Pages:

Typically 500-700 pages for a full workshop manual, precise count not provided.

Type:

Workshop Repair Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Systems:

V-Twin engine internal components, fuel system (carburetor specifics for the era), ignition system, exhaust system, cooling system (air-cooled specifics).

Transmission Drivetrain:

5-speed transmission, primary drive, secondary belt drive, clutch operation and service.

Chassis Suspension:

Front forks (telescopic), rear shock absorbers, frame, swingarm, wheel bearings, steering head bearings.

Braking System:

Front and rear disc brakes, hydraulic system, caliper service, pad replacement, fluid specifications.

Electrical System:

Battery, charging system (alternator/stator, regulator/rectifier), ignition system, lighting, starter system, wiring diagrams, fuse/relay identification.

Fuel System:

Carburetor disassembly, cleaning, adjustment (e.g., Keihin CV Carburetor), fuel tank, fuel lines, petcock.

Bodywork Fittings:

Fenders, fuel tank, seat, handlebars, instrument cluster, body panels, trim.

Maintenance Procedures:

Routine inspections, lubrication points, oil changes (engine, primary, transmission), filter replacements, spark plug service, drive belt tensioning.

Repair Procedures:

Engine top-end rebuild, carburetor overhaul, transmission component replacement, brake caliper rebuild, fork seal replacement, electrical component diagnosis and repair.

Troubleshooting:

Systematic diagnostic charts for common performance issues, starting problems, electrical faults, and noise diagnosis.

Special Tools:

Identification and usage instructions for specialized Harley-Davidson tools required for specific repairs.

Depth Level:

Comprehensive, covering from basic maintenance to complete engine and transmission overhauls, including detailed torque specifications and diagnostic procedures.

📊 Manual Specifications

Format Type:

PDF

Searchability:

Likely text-searchable, facilitating quick access to specific information.

Printability:

Printable, allowing for physical copies for workshop use.

Image Resolution:

Expected high-resolution images and diagrams suitable for clarity.

Binding:

Not applicable (digital download)

Paper:

Not applicable (digital download)

⚙️ Engine Specifications

Engine Family:

Evolution (Evo) V-twin

Engine Displacement Cc:

Commonly 1449cc (88 cubic inches)

Engine Configuration:

Air-cooled, 45-degree V-twin

Bore X Stroke Mm:

Typically 3.75 in x 4.00 in (95.25 mm x 101.6 mm)

Compression Ratio:

Around 8.8:1 to 9.0:1

Valvetrain:

Overhead valve (OHV), two valves per cylinder

Horsepower Hp:

Approximately 65-70 HP (estimated, varies by specific model and tune)

Torque Ft Lbs:

Approximately 70-75 ft-lbs @ 3000-3500 RPM (estimated, varies by specific model and tune)

Fuel Delivery:

Carbureted, typically Keihin CV (Constant Velocity) 40mm

Fuel Type:

Unleaded gasoline, 91 octane (AKI) or higher recommended.

Ignition Type:

Electronic Ignition, Distributorless (coil-over-plug or similar era technology)

🔧 Transmission

Type:

5-speed Manual Constant Mesh

Gear Ratios:

Specific ratios vary but are designed for cruising torque and highway capability.

Type:

N/A (5-speed manual was standard)

Primary Drive:

Multi-plate, wet clutch, chain driven

Secondary Drive:

Carbon fiber reinforced belt drive

Transmission Fluid:

Harley-Davidson recommends specific transmission fluids; consult manual for exact specifications (e.g., SAE 75W-90 or 75W-140 gear oil, or dedicated Harley transmission fluid).

📐 Dimensions

Wheelbase Mm:

Varies by model, typically around 63.7 inches (1618 mm) for models like the Low Rider.

Seat Height Mm:

Varies by model, generally low for a cruiser.

Ground Clearance Mm:

Varies, designed for lean angle clearance.

Dry Weight Kg:

Typically in the range of 270-300 kg (595-660 lbs) depending on model.

Gross Vehicle Weight Rating Kg:

Consult specific model data; typically around 450-500 kg.

🛡️ Safety Features

Safety Standards:

Motorcycle safety standards of the era.

Braking System Type:

Dual-piston front caliper, single-piston rear caliper, hydraulic disc brakes front and rear.

Tire Specifications:

Front: typically 100/90-19, Rear: typically 150/80-16 (varies by model).

Lighting:

Halogen headlamp, taillight, brake light, turn signals.

Instrumentation:

Speedometer, tachometer (on some models), fuel gauge, indicator lights.

💡 Technology Features

Audio System:

Optional, dealer-installed radio/audio systems were available for some Dyna models.

Display Technology:

Analog gauges for speedometer and tachometer, basic indicator lights.

ABS:

Anti-lock Braking System (ABS) was not a standard or widely available option on Dyna models in 2002.

Bluetooth Usb:

Not applicable for the 2002 model year; no built-in connectivity features.

🔧 Maintenance

Initial Service:

Typically around 1,000 miles (1,600 km) or 1 month.

Subsequent Service:

Generally every 5,000 miles (8,000 km) or 6 months for routine checks and oil changes. More in-depth service at higher intervals.

Engine Oil:

Harley-Davidson 20W-50 motorcycle oil (or equivalent API SG, JASO MA/MA2 approved) - Consult manual for specific Harley part number.

Primary Chain Case Oil:

Harley-Davidson primary lubricant or SAE 20W-50 motorcycle oil.

Transmission Oil:

SAE 75W-90 or 75W-140 gear oil (specific Harley-Davidson fluid recommended).

Brake Fluid:

DOT 4, meeting Harley-Davidson specifications.

Coolant:

Not applicable (air-cooled engine).

Cam Chain Tensioners:

Hydraulic tensioners on earlier Twin Cam engines (prior to 2007) are known to wear and require replacement. The 2002 Dyna uses an Evolution engine, not a Twin Cam, so this is not applicable.

Carburetor Tuning:

The Keihin CV carburetor may require periodic adjustments or cleaning for optimal performance.

Rear Brake Wear:

Rear brake pads and rotors can wear as expected with typical cruiser usage.

Electrical Connections:

Corrosion or loose connections in electrical connectors can sometimes cause intermittent issues, especially in older bikes.

📚 Vehicle History

Brand Legacy:

Harley-Davidson, founded in 1903, with a long-standing reputation for V-twin motorcycles and American industrial culture.

Dyna Introduction:

The Dyna line was introduced in 1991, evolving from earlier models, and characterized by its traditional V-twin engine and chassis design.

2002 Model Year:

The 2002 models featured the 1449cc (88ci) Evolution engine and continued the Dyna lineage, known for a blend of classic styling and modern performance for the time.

Manufacturing Location:

United States

🏆 Awards & Recognition

Model Recognition:

The Dyna platform has consistently been a popular choice for riders seeking a classic Harley-Davidson experience, often lauded for its handling characteristics relative to other Harley models of the era.