Segment:
Cruiser Motorcycle
Target Audience:
Riders seeking a classic Harley-Davidson experience with a lower seat height and accessible handling.
Competitors:
Indian Scout, Triumph Bonneville, Yamaha Bolt, Honda Shadow.
Design Philosophy:
Emphasizes a relaxed riding posture, accessible power delivery, and traditional Harley-Davidson styling.
Distinguishing Features:
Lowered suspension, shorter front fork, mid-mount controls, iconic Evolution engine.
Engine:
Inspection, disassembly, assembly, tuning, troubleshooting of 883cc Evolution V-Twin engine.
Fuel System:
Carburetor (Keihin CV 40mm) or fuel injection (EFI) system diagnosis and repair, fuel pump, lines, tank.
Ignition System:
Ignition module, spark plugs, coils, wiring diagnosis and replacement.
Transmission:
5-speed constant mesh gearbox, clutch assembly, primary drive, chain, final drive belt inspection and repair.
Brakes:
Hydraulic brake systems (front and rear), caliper, master cylinder, brake lines, pads, rotors, bleeding procedures.
Electrical System:
Wiring diagrams, lighting, battery, charging system (stator, regulator/rectifier), starter motor, fuses, relays, diagnostic codes.
Suspension:
Front fork (telescopic, 39mm), rear shock absorbers, spring preload adjustment, fluid replacement.
Frame And Bodywork:
Frame inspection, body panel removal/installation, fenders, seat, fuel tank, handlebars, controls.
Wheels And Tires:
Wheel bearing service, tire removal/installation, balancing, spoke tensioning (if applicable).
Exhaust System:
Muffler and pipe inspection, gasket replacement.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication/adjustment, brake inspection, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common starting, running, and electrical issues with fault code interpretation.
Repair And Rebuild:
Detailed step-by-step instructions for component disassembly, overhaul, and reassembly.
Specifications And Measurements:
Torque specifications, clearances, fluid capacities, electrical resistance values.
Wiring Diagrams:
Comprehensive electrical schematics for all systems.
Depth:
Comprehensive, suitable for professional technicians and experienced DIY mechanics.
Engine Type:
Air-cooled, Evolution V-twin
Displacement:
883 cc (53.9 cubic inches)
Bore X Stroke:
76.2 mm x 96.8 mm (3.00 in x 3.81 in)
Valve Train:
Overhead valves (OHV), 2 valves per cylinder
Horsepower Est:
Approx. 50-55 hp @ 6000 rpm (subject to tuning and conditions)
Torque Est:
Approx. 55-60 ft-lbs @ 3500 rpm (subject to tuning and conditions)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) or Keihin CV 40mm Carburetor (depending on market/specific variant within the model year).
Fuel Type:
Unleaded gasoline, 91 octane (R+M)/2 or higher recommended.
Oil Type:
Harley-Davidson Genuine V-Twin Oil, SAE 20W-50 (or equivalent meeting Harley-Davidson specifications).
Oil Capacity:
Approx. 2.5 US quarts (2.4 liters) with filter change.
Cooling Method:
Air-cooled
Type:
5-speed constant mesh
Primary Drive:
Duplex chain, 1.658 ratio
Final Drive:
Carbon fiber belt, 32/66 tooth ratio (2.06:1)
Clutch Type:
Wet, multi-plate, diaphragm spring
Clutch Fluid:
Harley-Davidson primary chaincase lubricant (or equivalent).
Transmission Fluid:
Harley-Davidson Syn 3 (or equivalent meeting Harley-Davidson specifications), SAE 75W-90
Crash Test Ratings:
Motorcycles are not typically rated by organizations like NHTSA or IIHS in the same manner as passenger cars.
Braking System:
Dual-piston front caliper with 292mm disc, dual-piston rear caliper with 260mm disc.
Lighting:
Halogen headlamp, LED taillight/stoplight, amber incandescent front and rear turn signals.
Frame Construction:
Steel, 2-piece, stamped and welded backbone; forged, cast, and stamped steel sections.
First Service:
1,000 miles (1,600 km) or 6 months, whichever comes first.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Engine Oil:
Harley-Davidson Genuine V-Twin Oil SAE 20W-50 (P/N 62600003 or equivalent).
Primary Chaincase Oil:
Harley-Davidson primary chaincase lubricant (P/N 99824-03 or equivalent).
Transmission Oil:
Harley-Davidson Syn 3 (P/N 99890-05 or equivalent), SAE 75W-90.
Fork Oil:
Refer to manual for specific weight and type (typically SAE 15W).
Common Wear Items:
Clutch friction plates, belt drive, spark plugs, brake pads, fork seals, wheel bearings.
Electrical Points:
Potential for regulator/rectifier failure or stator issues; wiring harness connections can degrade over time.
Engine Performance:
Carburetor tuning sensitivity, potential for oil leaks from primary cover or pushrod tubes.
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser-style motorcycles.
Sportster Lineage:
The Sportster platform dates back to 1957, evolving through various engine sizes and styling cues. The 'Low' variant was introduced to broaden appeal to riders seeking a more accessible riding position.
Manufacturing Location:
United States (primarily Milwaukee, Wisconsin, and York, Pennsylvania).
