Segment:
Cruiser motorcycle segment, specifically a custom-styled variant within the Sportster line
Competitors:
Indian Scout, Triumph Bonneville, Yamaha Bolt, Ducati Diavel (in terms of styling and market niche)
Styling:
Blacked-out components, low-profile seat, chopped fenders, unique front fork rake, black exhaust
Engine:
Evolution V-Twin, known for its torque and character
Handling:
Lowered stance and suspension contribute to a distinct ride feel
Powertrain:
Engine, transmission, clutch, drive belt
Chassis:
Frame, suspension (front fork, rear shocks), steering, wheels, tires
Brakes:
Front and rear hydraulic brakes, ABS (if equipped)
Electrical:
Ignition, charging system, lighting, instrumentation, starting system, EFI system, sensors
Fuel System:
Fuel tank, fuel pump, fuel injectors, electronic fuel injection (EFI) calibration
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if equipped)
Bodywork:
Fenders, fuel tank, seat, handlebars, controls, mirrors
Routine Maintenance:
Oil changes, filter replacements, spark plug service, drive belt inspection and adjustment, brake fluid flush
Diagnostic Procedures:
Troubleshooting common issues, fault code interpretation, diagnostic connector usage
Repair Procedures:
Engine disassembly and reassembly, transmission overhaul, suspension fork rebuild, brake caliper replacement, electrical component testing and replacement
Assembly Disassembly:
Step-by-step instructions for component removal and installation
Wiring Diagrams:
Detailed electrical schematics for all systems
Depth:
In-depth diagnostic and repair procedures suitable for professional technicians and experienced DIY mechanics
Engine Type:
Air-cooled, Evolution V-twin
Displacement:
1200 cc (73.4 cu in)
Bore X Stroke:
3.5 in x 3.8125 in (88.9 mm x 96.8 mm)
Valve Train:
Overhead valves (OHV), 2 valves per cylinder
Cooling System:
Air-cooled
Horsepower:
Approx. 65-70 HP (Varies based on specific tuning and dyno)
Torque:
Approx. 70-75 lb-ft @ 3500-4000 RPM
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
91 octane (or higher) unleaded gasoline
Transmission Type:
5-speed constant mesh, helical close-ratio
Primary Drive:
Clutch and chain drive to transmission
Final Drive:
Carbon fiber reinforced belt, 140-tooth, 20mm pitch
Clutch Type:
Clutch, wet, multi-plate
ABS:
Optional on some models/markets
Brakes:
Dual-piston front caliper with 300mm disc, single-piston rear caliper with 260mm disc
Lighting:
Halogen headlamp, LED tail lamp and brake lamp
Frame:
Steel, tubular, cradle frame
Suspension:
Sportster classic profile, often with lowered rear suspension for custom look
Display:
Analog speedometer with integrated LCD display for odometer, trip meter, clock, and gear indicator
Audio:
Not standard; aftermarket audio systems are common
ABS:
Optional on some configurations
Diagnostics:
Diagnostic connector for accessing fault codes and system data
Engine Oil Change:
Every 5,000 miles (8,000 km) or 12 months
Primary Chain Case Oil:
Check and change as needed, typically every 10,000 miles (16,000 km) or as per manual.
Drive Belt Tension:
Check every 5,000 miles (8,000 km), adjust if necessary.
Spark Plugs:
Inspect every 5,000 miles (8,000 km), replace as needed.
Engine Oil Type:
Harley-Davidson Genuine V-Twin Motor Oil 20W-50 or equivalent API SG or higher
Engine Oil Capacity:
3.0 US qt (2.8 L) with filter change
Primary Chain Case Oil Type:
Harley-Davidson Genuine Formula + or equivalent
Primary Chain Case Oil Capacity:
2.7 US qt (2.5 L)
Brake Fluid Type:
DOT 4, FMVSS 116
Transmission Oil Type:
Harley-Davidson Genuine Formula + or equivalent
Transmission Oil Capacity:
2.7 US qt (2.5 L)
Common Issues:
Potential for clutch slave cylinder leaks, rear brake sensitivity, idle speed fluctuations on early EFI models, drive belt wear.
Recall Information:
Refer to official Harley-Davidson recall database for specific VIN checks.
Heritage:
Harley-Davidson, established 1903, renowned for V-twin engines and American motorcycle culture.
Sportster Lineage:
The Sportster line, first introduced in 1957, is one of the longest-running motorcycle platforms in continuous production.
Nightster Introduction:
The Nightster variant was introduced to offer a darker, more modern aesthetic to the Sportster platform, typically featuring blacked-out components and a more aggressive stance.
Manufacturing Location:
USA (Kansas City, Missouri or York, Pennsylvania)
