Motorcycle Segment:
Cruiser, Sportster family.
Target Demographic:
Riders seeking a classic American V-twin experience, customizable platform.
Key Competitors Segment:
Indian Scout, some Japanese cruisers (e.g., Yamaha Bolt, Honda Shadow) depending on specific features and pricing.
Engine Type:
Air-cooled Evolution V-twin engine.
Drivetrain:
Belt drive to rear wheel.
Design Philosophy:
Iconic Harley-Davidson styling with a focus on performance and customization.
Powertrain:
Engine assembly, disassembly, tuning, lubrication, cooling system, fuel system, exhaust system, ignition system.
Transmission:
Transmission assembly, disassembly, clutch, gear shift mechanism, primary drive.
Chassis Suspension:
Frame, front fork assembly, rear suspension, swingarm, bearings.
Brakes:
Front and rear brake system, hydraulic lines, calipers, master cylinders, brake fluid.
Electrical System:
Wiring diagrams, battery, charging system, ignition system, lighting, starter motor, instrument cluster, electronic control module (ECM).
Wheels Tires:
Wheel removal and installation, tire service, wheel balancing.
Bodywork Fittings:
Body panels, fuel tank, seat, fenders, handlebars, controls.
Routine Maintenance:
Oil changes, filter replacement, chain adjustment, spark plug replacement, brake fluid flush, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, fault codes, testing electrical components.
Engine Repair:
Top-end overhaul (cylinder head, valves), bottom-end overhaul (crankshaft, connecting rods), piston and ring replacement.
Transmission Repair:
Clutch replacement, transmission gear inspection and replacement, primary drive maintenance.
Electrical Diagnostics:
Testing alternators, starters, ignition coils, sensors, wiring harness repair.
Fork Suspension Service:
Fork seal replacement, oil changes, damper rod inspection.
Brake System Service:
Brake pad replacement, caliper overhaul, master cylinder rebuild, bleeding procedures.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including detailed electrical diagnostics and specifications.
Engine Code:
Evolution (often referred to as 'Evo').
Engine Type:
Air-cooled, 45-degree V-twin.
Displacement:
1200 cc (73.4 cubic inches).
Bore X Stroke:
3.500 in. x 3.812 in. (88.9 mm x 96.8 mm)
Compression Ratio:
Typically around 9.7:1 (may vary slightly by specific model variant).
Valvetrain:
Overhead valves (OHV), 2 valves per cylinder, pushrod actuated.
Horsepower:
Approximately 65-70 HP at 5,000-5,500 RPM (estimated, factory figures may vary).
Torque:
Approximately 70-75 ft-lbs at 3,500-4,000 RPM (estimated, factory figures may vary).
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI).
Fuel Type:
Unleaded gasoline, minimum 91 octane (Research Octane Number).
Ignition Type:
Electronic, spark ignition, ignition timing controlled by ECM.
Oil Type:
Harley-Davidson Genuine V-Twin Motor Oil SAE 20W50 (or equivalent specified by Harley-Davidson).
Oil Capacity:
Approximately 3 quarts (2.8 liters) with filter change.
Cooling Method:
Air-cooled.
Transmission Type:
5-speed constant mesh.
Primary Drive:
Duplex chain, 1.373:1 ratio.
Final Drive:
Belt drive, 3.15:1 ratio.
Clutch Type:
Wet, multi-plate, diaphragm spring.
Transmission Oil Type:
Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant (or equivalent specified by Harley-Davidson).
Transmission Oil Capacity:
Approximately 24-26 fl oz (0.71-0.77 L) for primary/transmission.
Overall Length:
Approximately 88.8 inches (2255 mm) - varies slightly by model variant.
Seat Height:
Approximately 26.0 inches (660 mm) - unladen.
Ground Clearance:
Approximately 4.5 inches (114 mm).
Dry Weight:
Approximately 540 lbs (245 kg) - varies by model variant.
Gvwr:
Not typically specified in the same manner as cars, but refers to maximum permissible gross vehicle weight.
Fuel Capacity:
Approximately 3.5 gallons (13.2 liters).
Crash Testing:
Motorcycles are not subject to the same standardized crash testing (e.g., NHTSA, IIHS) as automobiles.
Braking System:
Dual-action, four-piston front caliper; dual-action, two-piston rear caliper with optional ABS on some models.
Lighting:
Halogen headlight, LED tail light and brake light, front and rear turn signals.
Frame Construction:
Steel frame and swingarm designed for stability and handling.
Tire Design:
Tires designed for roadholding and stability.
Infotainment System:
Base models typically feature a simple analog speedometer with a small LCD display for odometer and trip meter. Higher trim levels or optional accessories might include radio systems or more advanced displays.
Electronic Features:
Electronic Sequential Port Fuel Injection (ESPFI), electronic ignition, optional Anti-lock Braking System (ABS) on some variants.
Connectivity Options:
Limited on base models. Primarily concerned with diagnostic port connectivity for service tools.
Initial Service:
First service typically at 1,000 miles (1,600 km), including oil change, filter change, primary chaincase lubrication check, and general inspection.
Subsequent Services:
Subsequent services typically every 5,000 miles (8,000 km) for oil changes and inspections. More detailed checks (e.g., spark plugs, transmission fluid, brake fluid) usually every 10,000 miles (16,000 km) or annually.
Engine Oil Specification:
Harley-Davidson Genuine V-Twin Motor Oil SAE 20W50 (or equivalent).
Transmission Fluid Specification:
Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant (or equivalent).
Brake Fluid Specification:
DOT 4 hydraulic fluid.
Primary Chaincase Oil Capacity:
Approximately 24-26 fl oz (0.71-0.77 L) for primary/transmission.
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, fork seals are common wear items requiring regular inspection and replacement.
Potential Problems 2009:
Some owners have reported issues with the charging system (stator/regulator), fuel pump reliability, and occasional electrical gremlins, especially on higher mileage units. Regular inspection of the primary chain tensioner is also recommended.
Specific Procedures:
The manual will detail specific torque values for critical fasteners, proper assembly sequences, and diagnostic routines for fuel injection and ignition systems.
Brand Origin:
Founded in Milwaukee, Wisconsin, in 1903, Harley-Davidson is one of the oldest motorcycle manufacturers in the world.
Sportster Lineage:
The Sportster line was introduced in 1957 as a lighter, sportier alternative to Harley's larger Big Twin models. It has evolved significantly over the decades, but retains its core identity.
2009 Updates:
The 2009 Sportster models, including the 1200 variants, featured updated styling, improved ergonomics, and continued refinement of the Evolution engine. Fuel injection was standard on all models.
Manufacturing Location:
Typically manufactured in the United States.
Awards:
Harley-Davidson motorcycles, including the Sportster line, are recognized for their iconic styling and cultural impact rather than specific performance awards in automotive journalism.
Owner Satisfaction:
Generally high owner satisfaction for the riding experience and customization potential, though mechanical reliability can be a point of discussion compared to some competitors.
Emissions:
Meets EPA and California Air Resources Board (CARB) emissions standards for the model year.