Engine:
Twin Cam 88, Twin Cam 96 (if applicable for 2006 model year updates or common swaps), engine disassembly, assembly, diagnostics, performance tuning.
Fuel System:
Carburetor (Keihin CV type) or Fuel Injection (EFI - Delphi/MPI system), fuel pump, injectors, throttle body, fuel tank, fuel lines, fuel filter.
Ignition System:
Electronic ignition, spark plugs, ignition coils, crank position sensor, ignition module.
Transmission:
5-speed Cruise Drive transmission, clutch assembly, primary drive, final drive, gear shift mechanism.
Electrical System:
Battery, charging system (alternator/stator, regulator/rectifier), starting system (starter motor, solenoid), lighting (headlight, taillight, turn signals, accessory lights), instrumentation, wiring diagrams, fuses, relays, electrical troubleshooting.
Brakes:
Hydraulic disc brakes (front and rear), brake calipers, master cylinders, brake lines, brake pads, brake fluid specifications, bleeding procedures, ABS (if equipped).
Suspension:
Front fork (telescopic), rear shock absorbers, swingarm, suspension adjustments, fork oil specifications and replacement, seal replacement.
Steering:
Handlebar assembly, steering head bearings, fork tubes, steering stem.
Frame And Body:
Frame construction, body panels, fairing, saddlebags, seat assembly, fenders, mounting hardware, removal and installation procedures.
Cooling System:
Air-cooled engine specifications, cylinder head cooling fins, oil cooler (if equipped).
Exhaust System:
Exhaust pipes, mufflers, exhaust gaskets, emission control systems (if applicable).
Routine Maintenance:
Oil changes, filter replacements, chain adjustment (if applicable), tire pressure checks, brake inspections, battery maintenance, scheduled service intervals.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting, common problem identification and resolution.
Engine Repair:
Top-end rebuilds, bottom-end overhauls, piston and ring replacement, valve adjustments, cam timing, crankshaft inspection and repair.
Transmission Repair:
Clutch adjustment and replacement, gear inspection, bearing replacement, transmission fluid change and checks.
Electrical Diagnostics:
Wiring diagram interpretation, voltage checks, continuity testing, component testing (e.g., charging system, ignition).
Brake Service:
Brake pad replacement, caliper servicing, master cylinder rebuilding, brake fluid flush and replacement, bleeding procedures.
Suspension Servicing:
Fork seal replacement, fork oil change, shock absorber inspection and replacement.
Bodywork And Trim:
Fairing removal and installation, saddlebag mounting, fender removal, trim piece replacement.
Tire And Wheel:
Tire replacement, wheel balancing, spoke tensioning (if applicable).
Depth:
Comprehensive, covering from basic maintenance and diagnostics to complete engine and transmission rebuilds.
Detail Level:
Step-by-step instructions with detailed diagrams, torque specifications, and special tool requirements.
Engine Family:
Harley-Davidson Twin Cam
Engine Configuration:
45-degree V-twin, pushrod-actuated overhead valves
Displacement Cc:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Compression Ratio:
8.8:1 (typical for Twin Cam 88)
Cooling System:
Air-cooled
Horsepower Est:
Approx. 65-70 HP (at crankshaft, manufacturer claims may vary)
Torque Est:
Approx. 85-90 lb-ft (at crankshaft, manufacturer claims may vary)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) or Keihin CV Carburetor, depending on specific sub-model or market.
Fuel Type:
Unleaded gasoline, 91 octane (R+M)/2 minimum recommended.
Fuel Tank Capacity:
5.0 US gallons (18.9 L)
Oil Type:
Harley-Davidson 20W-50 Synthetic (or equivalent API CG-4 rated diesel engine oil for V-twins).
Oil Capacity:
4.0 US quarts (3.8 L) with filter change.
Initial Service:
1,000 miles (1600 km) or 6 months, whichever comes first.
Subsequent Oil Change:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first.
Air Filter Inspection:
Inspect every 10,000 miles (16,000 km).
Spark Plug Replacement:
Replace every 20,000 miles (32,000 km).
Brake Fluid Flush:
Recommended every 2 years, regardless of mileage.
Engine Oil:
Harley-Davidson 20W-50 Synthetic (or equivalent API CG-4).
Transmission Primary Lubricant:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent SAE 80W-90 GL-5).
Brake Fluid:
DOT 4 (for ABS models, check manual for specific requirements).
Primary Drive Clutch Wear:
Clutch plates and basket can wear over time, especially with aggressive riding. Clutch adjustment is a common maintenance task.
Starter Solenoid Failure:
Starter solenoids can be a point of failure, leading to no-crank issues. Relocation or upgraded solenoids are common modifications.
Cam Chain Tensioner Wear:
Early Twin Cam models (prior to 2007) used plastic cam chain tensioners that could wear and require replacement with hydraulic units to prevent engine damage.
Regulator Rectifier Overheating:
The charging system's regulator/rectifier can sometimes overheat, leading to charging issues. Improved cooling solutions or aftermarket units are available.
Legacy:
Harley-Davidson, founded in 1903, has a long-standing tradition of producing iconic V-twin motorcycles known for their distinctive sound, character, and comfort.
Electra Glide Lineage:
The Electra Glide line dates back to the 1960s, evolving from the Duo-Glide. The FLHT designation signifies a fairing-equipped, full-dress touring motorcycle within the Harley-Davidson lineup.
Twin Cam Introduction:
The Twin Cam engine platform was introduced in 1999, replacing the Evolution engine, and quickly became the standard for Harley-Davidson's Big Twin models.
Manufacturing Location:
United States (York, Pennsylvania and Milwaukee, Wisconsin are primary manufacturing facilities).
Market Segment Dominance:
Harley-Davidson has historically dominated the large-displacement cruiser and touring market in North America.