Vehicle Segment:
Cruiser Motorcycle
Target Audience:
Riders seeking a classic-styled, comfortable touring and cruising motorcycle.
Key Competitors 2006:
Indian Chief Vintage, Victory Kingpin Tour, various custom choppers.
Styling:
Retro styling reminiscent of 1950s Harley-Davidsons, with extensive chrome, wide whitewall tires, and a classic silhouette.
Comfort:
Low seat height, forward-mounted foot controls, and swept-back handlebars for a relaxed riding position.
Engine Technology:
Harley-Davidson's proven Twin Cam 88B V-twin engine with counter-balancing for reduced vibration.
Engine:
Comprehensive coverage of the Twin Cam 88B engine, including disassembly, assembly, inspection, and repair of all internal components.
Fuel System:
Detailed information on fuel injection (EFI) system, fuel pump, fuel filter, injectors, and related sensors. Includes troubleshooting and diagnostics for fuel delivery issues.
Ignition System:
Coverage of the electronic ignition system, ignition coils, spark plugs, and related sensors. Includes timing adjustments and troubleshooting.
Transmission:
Complete service and repair procedures for the 5-speed Cruise Drive transmission, including clutch, gear sets, shift mechanism, and lubrication.
Electrical System:
Extensive coverage of the motorcycle's electrical system, including battery, charging system (alternator, regulator), lighting, starter system, and accessory wiring.
Lighting System:
Detailed diagrams and troubleshooting for headlights, taillights, turn signals, and instrument cluster illumination.
Braking System:
Service and repair for front and rear hydraulic disc brakes, including caliper overhaul, pad replacement, fluid flush, and bleeding procedures.
Suspension:
Information on front fork (telescopic) and rear swingarm suspension, including fork seal replacement, oil changes, and shock absorber service.
Chassis And Frame:
Details on frame inspection, disassembly, and assembly of chassis components.
Wheels And Tires:
Specifications and procedures for tire replacement, wheel balancing, and bearing maintenance.
Bodywork And Trim:
Instructions for the removal, installation, and repair of fenders, fuel tank, seat, handlebars, and other cosmetic components.
Diagnostics:
Troubleshooting charts, symptom-based diagnostics, and diagnostic trouble codes (DTCs) for various systems.
Routine Maintenance:
Step-by-step guides for oil changes, filter replacements, spark plug service, air filter cleaning/replacement, and lubrication.
Engine Overhaul:
Complete rebuild procedures for the Twin Cam 88B engine, including piston ring installation, valve adjustments, and gasket replacement.
Transmission Rebuild:
Detailed instructions for disassembling, inspecting, and reassembling the transmission, including replacement of worn components.
Brake System Repair:
Procedures for brake pad replacement, rotor inspection, caliper service, and hydraulic system bleeding.
Electrical Troubleshooting:
Systematic diagnostic steps for resolving electrical issues, including wiring diagrams and component testing.
Fuel System Diagnostics:
Troubleshooting EFI system faults, checking fuel pressure, and diagnosing sensor issues.
Suspension Service:
Fork seal replacement, fork oil changes, and rear shock absorber service.
Clutch Adjustment And Replacement:
Instructions for clutch adjustment, clutch pack inspection, and replacement.
Tire And Wheel Service:
Tire mounting and dismounting, wheel balancing, and spoke adjustment (if applicable).
Bodywork Repair:
Instructions for removing and installing body panels, fenders, and fuel tank.
Depth Of Coverage:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
Diagnostic Capability:
Advanced diagnostic information, including symptom analysis and specific testing procedures for electrical and mechanical components.
Repair Level:
Suitable for professional technicians and experienced DIY mechanics.
Engine Family:
Twin Cam 88B
Engine Type:
Air-cooled, 45-degree V-twin
Displacement:
1449 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), pushrod actuated, 2 valves per cylinder
Fueling:
Electronic Sequential Port Fuel Injection (ESPFI)
Horsepower Approximate:
65 HP (at crank, estimated)
Torque Approximate:
86 ft-lbs @ 3200 RPM (estimated)
Fuel Type:
Unleaded gasoline, 91 octane (R+M)/2 recommended
Fuel Tank Capacity:
5.0 gallons (18.9 L)
First Service:
1,000 miles (1,600 km) or 6 months
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months thereafter
Engine Oil Change:
Every 5,000 miles (8,000 km) or annually
Primary Chain Tensioner:
Inspect at 10,000 miles (16,000 km); replace if necessary (often recommended for Twin Cam engines).
Engine Oil Type:
Harley-Davidson SYN3 Full Synthetic Motorcycle Oil (20W-50) or equivalent API CI-4 rated oil.
Engine Oil Capacity:
3.0 US quarts (2.8 L) with filter change
Transmission Oil Type:
Harley-Davidson Formula+ (or equivalent API GL-4, SAE 80W-90)
Transmission Oil Capacity:
2.7 US quarts (2.5 L)
Primary Chain Case Oil Type:
Harley-Davidson Formula+ (or equivalent API GL-4, SAE 80W-90)
Primary Chain Case Oil Capacity:
1.0 US quart (0.95 L)
Fork Oil Type:
Harley-Davidson Genuine Motorcycle Fork Oil (e.g., Heavy) or equivalent
Twin Cam 88B Primary Chain Tensioner:
Known to wear prematurely, potentially leading to chain damage. Early replacement is often recommended.
Cam Chain Tensioner Shoes:
Similar to the primary tensioner, these can wear, requiring inspection and replacement, particularly on higher mileage engines.
Crankshaft Position Sensor:
Can fail, leading to starting issues or stalling.
Fuel Pump Reliability:
Some earlier Twin Cam models experienced fuel pump issues, though less common on later revisions.
Brand Founding:
1903, Milwaukee, Wisconsin
Brand Philosophy:
American iron, freedom, individual expression, long-distance touring.
Softail Platform Introduction:
The Softail concept, featuring hidden rear suspension to mimic a hardtail look, was introduced in 1983.
Deluxe Introduction:
The 'Deluxe' model, emphasizing vintage styling, was introduced in the early 2000s.
Flstni Specifics 2006:
The 2006 FLSTNI Softail Deluxe featured the Twin Cam 88B engine, electronic fuel injection, and a prominent retro aesthetic.
Manufacturing Location:
USA