🏷️ Basic Information

Make:

Harley-Davidson

Model:

Dyna

Year:

2010

Model Series:

Dyna Family (including models like Street Bob, Super Glide, Fat Bob, Low Rider, Switchback)

👋 Introduction

Brand Heritage:

Harley-Davidson is an iconic American motorcycle manufacturer with a rich history of building cruisers and touring bikes known for their distinctive V-twin engines and custom styling.

Model Line Positioning:

The Dyna line represented Harley-Davidson's mid-weight cruiser platform, offering a blend of classic styling, comfortable ergonomics, and performance suitable for everyday riding and longer trips. It was positioned as a more accessible alternative to the larger Touring and Softail models.

Competitors:

Key competitors in this segment included Indian Motorcycles, Triumph Bonneville series, and various Japanese cruisers from Honda (Shadow series), Yamaha (V-Star series), Kawasaki (Vulcan series), and Suzuki (Boulevard series).

Engine Configuration:

Typically powered by Harley-Davidson's Twin Cam 96 V-twin engine, known for its torque delivery.

Frame Design:

Features a robust steel frame and dual rear shock absorbers, contributing to its characteristic ride and handling.

Customization Potential:

Dyna models are highly sought after for customization, with a vast aftermarket for parts and accessories.

📋 Manual Details

Manual Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

Downloadable PDF

Coverage Scope:

Comprehensive for all 2010 Harley-Davidson Dyna models

📖 Manual Coverage

Engine Management:

Fuel injection, ignition system, ECU diagnostics, sensors (MAP, IAT, O2, TP), throttle body

Engine Mechanical:

Engine disassembly/assembly, cylinder heads, pistons, crankshaft, camshafts, timing, oil pump, lubrication system

Transmission Drivetrain:

Clutch operation, primary drive, transmission disassembly/assembly, final drive belt, chain maintenance

Fuel System:

Fuel tank, fuel pump, fuel filter, fuel lines, injectors

Electrical System:

Battery, charging system (stator, regulator/rectifier), starting system, lighting, ignition switch, security system, wiring diagrams, fuses, relays

Brakes:

Hydraulic brake systems (front and rear), brake calipers, master cylinders, brake lines, brake pads, brake discs, bleeding procedures

Suspension:

Front forks (telescopic, cartridge types), rear shock absorbers, fork oil specifications, seal replacement

Chassis Frame:

Frame inspection, steering head bearing maintenance, wheel bearings, swingarm pivot

Bodywork Trim:

Fenders, fuel tank removal/installation, seat, handlebars, controls, mirrors

Maintenance:

Regular service intervals, oil changes, filter replacements, spark plug replacement, belt tension adjustment, brake fluid flush, tire pressure checks

Diagnostics Troubleshooting:

Step-by-step troubleshooting guides for common and complex issues, diagnostic trouble codes (DTCs), electrical testing procedures

Repair Rebuild:

Detailed instructions for component disassembly, inspection, repair, and reassembly for all major systems

Inspection:

Pre-ride inspections, chassis checks, brake system inspections, electrical system checks

Depth Level:

Expert/Professional level, covering complete overhaul and advanced diagnostics

Diagnostic Tools:

Information on using Harley-Davidson specific diagnostic tools (e.g., Digital Technician Lite/Pro)

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchability:

Searchable text for quick information retrieval

Printability:

Printable pages for on-hand reference

Resolution:

High-resolution for clear diagrams and images

Binding:

Not applicable (Downloadable PDF)

Paper Quality:

Not applicable (Downloadable PDF)

⚙️ Engine Specifications

Engine Type:

Four-stroke, air-cooled, Twin Cam 96 V-twin

Displacement:

1584 cc (96 cubic inches)

Bore X Stroke:

3.75 in. x 4.48 in. (95.25 mm x 113.03 mm)

Compression Ratio:

9.2:1

Valve Train:

Pushrod-actuated, overhead valves with 2 valves per cylinder

Ignition System:

Electronic, spark ignition with knock sensor

Horsepower:

Approximately 75-80 HP (estimated, varies by model and tuning)

Torque:

Approximately 92-96 ft-lbs @ 3200 RPM (estimated, varies by model and tuning)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Unleaded gasoline, minimum 91 octane recommended

Oil Type:

Harley-Davidson Genuine V-Twin 20W-50 Synthetic or equivalent (check manual for specific part numbers)

Oil Capacity:

Approximately 3.0-3.5 US quarts (2.8-3.3 liters) with filter change (refer to specific model for exact capacity)

🔧 Transmission

Transmission Type:

6-speed constant mesh

Clutch Type:

Clutched, wet, multi-plate

Primary Drive:

46/30 (1.53:1) chain, enclosed in oil bath

Final Drive:

32/46 (1.44:1) belt

Gear Ratios:

1st: 9.312, 2nd: 6.650, 3rd: 4.948, 4th: 4.321, 5th: 3.776, 6th: 3.292

Transmission Fluid:

Harley-Davidson Genuine Formula+ Transmission & Primary Chaincase Lubricant or equivalent (check manual for specific part numbers)

📐 Dimensions

Length:

Varies by specific Dyna model (e.g., Street Bob ~91.0 in., Low Rider ~92.3 in.)

Width:

Varies by specific Dyna model (e.g., handlebar width ~32.0 in.)

Height:

Varies by specific Dyna model (e.g., seat height ~26.7 in.)

Dry Weight:

Varies by specific Dyna model (e.g., Street Bob ~596 lbs, Fat Bob ~602 lbs)

Gvwr:

Not typically published for motorcycles, but payload is determined by gross vehicle weight rating minus dry weight plus rider and cargo.

Fuel Capacity:

Varies by specific Dyna model (e.g., 4.9 US gallons / 18.5 L for most models)

Front Wheel Size:

Typically 19 inch (e.g., 19 x 3.00)

Rear Wheel Size:

Typically 16 inch (e.g., 16 x 3.00)

Front Tire Size:

e.g., MT90B19 70V (Dunlop D402 or similar)

Rear Tire Size:

e.g., MU85B16 77H (Dunlop D402 or similar)

Wheelbase:

Varies by specific Dyna model (e.g., 63.4 in. for many models)

🛡️ Safety Features

Crash Testing:

Motorcycles are not subject to standardized crash testing like automobiles.

Braking System:

Dual-piston front and rear calipers with hydraulic actuation. ABS (Anti-lock Braking System) was optional on some 2010 models.

Lighting:

Halogen headlight, LED taillight, amber incandescent turn signals.

Frame Construction:

Steel cradle frame designed for stability and rider feedback.

Security System:

Factory-installed H-D Smart Security System with proximity-based, hands-free fob.

💡 Technology Features

Audio System:

Optional audio systems (e.g., radio with CD player, MP3 input) were available on some higher-trim Dyna models. The manual covers basic system diagnostics and component location.

ABS:

Anti-lock Braking System (ABS) was an optional feature on many 2010 Dyna models, providing enhanced stopping safety. The manual details ABS system operation and troubleshooting.

Cruise Control:

Electronic cruise control was available as an option on many 2010 Dyna models, enhancing long-distance comfort. The manual covers its operation and maintenance.

Diagnostics Port:

Features a 4-pin diagnostic connector for accessing vehicle data and error codes using Harley-Davidson diagnostic tools.

🔧 Maintenance

Initial Service:

First service typically at 1,000 miles (1,600 km) or 12 months, whichever comes first.

Regular Oil Change:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first (engine oil and filter).

Transmission Primary Fluid:

Recommended service every 10,000 miles (16,000 km) or 24 months.

Spark Plugs:

Inspect at 10,000 miles (16,000 km), replace as needed.

Brake Fluid Flush:

Recommended every 24 months regardless of mileage.

Drive Belt Tension:

Check and adjust at every 5,000 mile service.

Engine Oil:

Harley-Davidson Genuine V-Twin 20W-50 Synthetic or equivalent (e.g., Screamin' Eagle SYN3).

Transmission Primary Fluid:

Harley-Davidson Genuine Formula+ Transmission & Primary Chaincase Lubricant or equivalent.

Brake Fluid:

DOT 4 low-moisture synthetic brake fluid.

Fork Oil:

Refer to specific model variant for viscosity and type (e.g., Harley-Davidson Factory Formula, Spectro Heavy-Duty 10W fork oil).

Cam Chain Tensioners:

Early Twin Cam models (pre-2007) had hydraulic cam chain tensioners that could wear prematurely. 2010 models with the Twin Cam 96 generally use upgraded tensioners, but inspection is still prudent. The manual details inspection and replacement procedures.

Rear Cylinder Overheating:

Air-cooled V-twins can experience higher rear cylinder temperatures, especially in hot weather or stop-and-go traffic. Proper maintenance and oil viscosity are crucial. The manual provides diagnostic steps.

Starter Solenoid Issues:

While not specific to all 2010 Dynas, starter solenoid failures can occur. The manual covers starter system troubleshooting.

Cruise Control Reliability:

On models equipped with cruise control, occasional issues with the system or its components can arise. The manual assists in diagnosing these problems.

📚 Vehicle History

Founding:

Founded in 1903 in Milwaukee, Wisconsin.

Iconic Engines:

Known for its V-twin engine designs, particularly the Panhead, Shovelhead, Evolution, and Twin Cam eras.

Dyna Introduction:

The Dyna line was introduced in 1991 as a replacement for the previous FXR series, featuring a rubber-mounted engine to reduce vibration and improve rider comfort.

2010 Updates:

The 2010 model year saw continued refinement of the Twin Cam 96 engine and enhancements across various Dyna models, including updated styling and features depending on the specific variant (e.g., Street Bob, Fat Bob, Low Rider, Super Glide Custom, Switchback).

Discontinuation:

The Harley-Davidson Dyna line was discontinued after the 2017 model year, with its platform and design philosophies largely integrated into the new Softail chassis.

Manufacturing Location:

Primarily manufactured at Harley-Davidson's facilities in York, Pennsylvania, and Milwaukee, Wisconsin, USA.

🏆 Awards & Recognition

Industry Perception:

The Dyna line, including the 2010 models, has consistently been praised for its performance, customizability, and authentic V-twin character, making it a favored choice among riders who appreciate classic American motorcycle aesthetics and a visceral riding experience.