Market Segment:
Cruiser motorcycle segment, targeting riders seeking classic styling and V-twin performance.
Key Competitors 2009:
Indian Chief, Triumph Bonneville, Yamaha V-Star, Kawasaki Vulcan, Honda Shadow.
Engine Layout:
Iconic air-cooled Evolution V-Twin engine, known for its torque and distinctive sound.
Chassis Design:
Classic Sportster rigid frame, contributing to its agile handling and iconic silhouette.
Customization Potential:
High degree of customization inherent in the Harley-Davidson platform, appealing to riders who personalize their bikes.
Engine System:
V-Twin Evolution engine, including disassembly, assembly, diagnosis, and repair of all internal and external components.
Fuel System:
Fuel injection (EFI) system, throttle body, fuel pump, injectors, pressure regulator, and troubleshooting.
Ignition System:
Electronic ignition system, ignition coils, spark plugs, and diagnostic procedures.
Transmission System:
5-speed constant mesh gearbox, clutch assembly, primary drive, troubleshooting, and repair.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator), starting system (starter motor, solenoid), lighting, instrumentation, and accessories.
Braking System:
Hydraulic brake systems (front and rear), brake calipers, master cylinders, brake lines, pads, rotors, and bleeding procedures.
Suspension System:
Front fork (telescopic), rear shock absorbers, swingarm, troubleshooting, and adjustment.
Steering System:
Handlebars, triple clamps, steering head bearings, and troubleshooting.
Frame And Bodywork:
Frame inspection, mounting points, body panels, fenders, fuel tank, seat, and associated hardware.
Scheduled Maintenance:
Detailed procedures for all routine maintenance tasks including oil changes, filter replacements, chain adjustments, and lubrication.
Engine Repair:
Complete engine rebuild procedures, piston replacement, valve adjustments, cylinder head service, and gasket replacement.
Transmission Repair:
Gearbox disassembly and reassembly, clutch service, and troubleshooting of shifting issues.
Electrical Diagnostics:
Step-by-step diagnostic routines for electrical faults, including use of multimeters and wiring diagrams.
Brake Service:
Detailed instructions for brake pad replacement, caliper service, master cylinder overhaul, and brake line maintenance.
Suspension Overhaul:
Front fork seal replacement, rear shock absorber replacement, and steering head bearing service.
Fuel System Diagnosis:
Troubleshooting of fuel delivery issues, sensor diagnostics (e.g., TPS, MAP), and idle speed adjustment.
Troubleshooting Guides:
Extensive troubleshooting sections covering common problems with symptoms and suggested solutions for all major systems.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance and fluid checks to complete engine and transmission overhauls, electrical system diagnostics, and chassis component repairs.
Diagnostic Procedures:
Detailed diagnostic flowcharts and procedures for identifying and resolving mechanical and electrical issues.
Special Tool Requirements:
Lists and descriptions of special tools required for specific repair procedures, often including Harley-Davidson OEM tool numbers.
Engine Type:
Air-cooled, Evolution V-Twin
Displacement:
1200cc (73.3 cubic inches)
Bore X Stroke:
3.496 in. x 3.811 in. (88.8 mm x 96.8 mm)
Valvetrain:
OHV, 2 valves per cylinder, pushrod actuated
Carburetion Injection:
Electronic Sequential Port Fuel Injection (ESPFI)
Horsepower:
Approximately 65-70 HP (est. at crank, varies by model and tuning)
Torque:
Approximately 70-75 ft-lbs @ 3500 RPM (est. at crank, varies by model)
Fuel Type:
Unleaded gasoline, minimum 91 octane (AKI)
Fuel Tank Capacity:
3.1 gallons (11.7 L) or 4.5 gallons (17.0 L) depending on model variant (e.g., XL1200C)
First Service Mileage:
1,000 miles (1,600 km)
Subsequent Service Interval:
Every 5,000 miles (8,000 km)
Oil Change Interval:
Every 5,000 miles (8,000 km) or annually, whichever comes first.
Transmission Fluid Change Interval:
Every 10,000 miles (16,000 km)
Primary Chain Case Fluid Change Interval:
Every 10,000 miles (16,000 km)
Engine Oil Spec:
Harley-Davidson 20W-50 SYN3 (or equivalent SAE 20W-50 API SG or higher)
Engine Oil Capacity:
3.0 US qt (2.8 L) (with filter change)
Primary Chain Case Oil Spec:
Harley-Davidson Primary Chain Lubricant (or equivalent SAE 80W-90 API GL-4)
Primary Chain Case Oil Capacity:
28 US fl oz (828 ml)
Ignition Module Failures:
Early models of the Evolution engine could experience ignition module failures, though often addressed by this era.
Carburetor Issues:
While this model is fuel-injected, earlier carburetors could have tuning issues; EFI systems can have sensor or injector problems.
Charging System Reliability:
Stator or regulator failures can occur over time, impacting battery charging.
Harley Davidson Founding:
Founded in 1903 in Milwaukee, Wisconsin, Harley-Davidson is an iconic American motorcycle manufacturer with a rich heritage in performance and customization.
Sportster Introduction:
The Sportster line was first introduced in 1957, evolving significantly over decades from its ironhead engine origins to the Evolution engine platform.
Evolution Engine Introduction:
The Evolution engine, often referred to as the 'Blockhead', was introduced in 1984 for Big Twin models and later adapted for Sportsters.
Manufacturing Location:
USA