Engine:
Twin Cam 88B (including teardown, assembly, diagnosis, tuning)
Fuel System:
Carburetion (Keihin CV type), Fuel Pump, Fuel Tank, Fuel Lines
Ignition System:
Electronic Ignition, Spark Plugs, Ignition Coils
Transmission:
5-Speed Cruise Drive (teardown, assembly, troubleshooting, lubrication)
Drivetrain:
Primary Drive, Belt Drive, Clutch Operation and Service
Chassis Frame:
Frame Inspection, Fork Components, Swingarm, Suspension
Wheel Suspension Steering:
Front Fork (Teardown, Seals, Oil), Rear Shocks, Wheel Bearings, Steering Head Bearings
Brakes:
Front and Rear Hydraulic Brakes, Caliper Service, Master Cylinder, Brake Lines, Bleeding Procedures
Electrical System:
Battery, Charging System (Stator, Regulator/Rectifier), Starting System (Starter Motor, Solenoid), Lighting, Gauges, Horn, Wiring Diagrams
Bodywork Fittings:
Fenders, Fuel Tank, Seat, Handlebars, Control Levers, Mirrors, Footpegs, Exhaust System
Diagnostics Troubleshooting:
System-specific diagnostic flowcharts and common issue resolutions
Routine Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Chain/Belt Adjustment, Brake Pad Replacement, Air Filter Cleaning/Replacement
Engine Overhaul:
Complete engine disassembly, inspection, part replacement, and reassembly
Transmission Service:
Gearbox disassembly, inspection, bearing replacement, clutch adjustment
Suspension Service:
Front fork seal replacement, fork oil changes, rear shock absorber inspection/replacement
Brake System Service:
Brake caliper overhaul, master cylinder service, brake bleeding procedures
Electrical Diagnostics:
Wiring harness troubleshooting, component testing, charging system analysis
Fuel System Cleaning:
Carburetor cleaning and adjustment, fuel line inspection
Wheel Tire Service:
Wheel bearing replacement, tire mounting/balancing, spoke tension adjustment (if applicable)
Steering Head Service:
Steering head bearing adjustment and replacement
Depth:
Comprehensive (suitable for professional technicians and advanced DIY mechanics)
Detail Level:
Detailed torque specifications, tolerances, diagnostic procedures, and step-by-step instructions with illustrations
Engine Family:
Harley-Davidson Twin Cam 88B
Engine Configuration:
45-degree V-twin
Displacement:
1450 cc (88 cubic inches)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Valve Train:
Overhead Valves (OHV), 2 valves per cylinder
Horsepower Estimate:
Approximately 60-65 HP (at crank, manufacturer figures vary)
Torque Estimate:
Approximately 75-80 lb-ft (at crank, manufacturer figures vary)
Carburetor Type:
Keihin CV (Constant Velocity) 40mm
Fuel Type:
Unleaded Gasoline, Minimum 87 Octane
Engine Oil Type:
Harley-Davidson 20W-50 or equivalent (meeting Harley-Davidson specification)
Engine Oil Capacity:
3.0 US quarts (2.8 liters) with filter change
Primary Chain Case Oil Type:
Harley-Davidson Primary Chain Lubricant or equivalent
Primary Chain Case Oil Capacity:
1 US quart (0.95 liters)
First Service:
Typically 1,000 miles (1,600 km) or 6 months
Subsequent Services:
Every 5,000 miles (8,000 km) or 12 months for regular maintenance (oil, filter, inspection).
Major Service Intervals:
Refer to manual for specific intervals for transmission fluid, brake fluid, and internal engine component checks.
Brake Fluid Type:
DOT 5 Silicone Fluid (check manual for exact specification and replacement interval)
Fork Oil Type:
Harley-Davidson Spectro HD fork oil or equivalent (viscosity typically 10W, check manual for precise specification)
Common Wear Items:
Clutch friction plates, brake pads, tires, fork seals, primary drive belt, wheel bearings.
Potential Problems 2001:
While generally robust, common areas for inspection and potential maintenance include the charging system (stator/regulator), fuel line integrity, and carburetor tuning for optimal performance.
Brand Legacy:
Harley-Davidson boasts a long and storied history in motorcycle manufacturing, dating back to 1903, with a focus on creating iconic V-twin engines and distinctive cruiser styling.
Fat Boy Introduction:
The Fat Boy model was introduced in 1990 and quickly became a flagship model, known for its retro-futuristic styling and substantial presence.
Twin Cam Introduction:
The Twin Cam 88 engine, which powers this 2001 model, was introduced in 1999, replacing the Evolution (Evo) engine and offering increased displacement and power.
Manufacturing Location:
United States (primarily York, Pennsylvania)
Flstfi Specifics:
The 'FI' in FLSTFI denotes Fuel Injection, however, the 2001 model year FLSTFI Fat Boy typically utilized a carburetor. This manual likely covers the carbureted version common for this year.