Positioning:
The Harley-Davidson FLSTSCI Springer Softail Classic EFI represents a premium cruiser offering with a distinctive retro aesthetic and modern fuel injection technology, targeting riders who appreciate classic styling and reliable performance.
Competitors:
Competes with other large-displacement V-twin cruisers from brands like Indian Motorcycle, Victory Motorcycles (now defunct), and some custom builder motorcycles that emphasize classic styling and a relaxed riding experience.
Heritage Styling:
Iconic Springer front fork, classic tank styling, and comfortable riding posture.
Efi Technology:
Electronic Sequential Port Fuel Injection for improved throttle response, fuel efficiency, and emissions compliance.
Engine Performance:
Harley-Davidson's proven Twin Cam 88B engine provides robust torque for cruising.
Value:
This service manual is an essential tool for owners and independent mechanics to maintain, repair, and diagnose the FLSTSCI Springer Softail Classic EFI, ensuring its longevity and optimal performance.
Engine Performance:
Comprehensive coverage of Twin Cam 88B engine performance tuning, diagnostics, and repair.
Fuel Injection System:
Detailed diagnostics and repair procedures for the Electronic Sequential Port Fuel Injection (ESPFI) system, including sensors, injectors, and ECU.
Ignition System:
In-depth information on the ignition module, spark plugs, coils, and timing adjustments.
Transmission Operation:
Coverage of the 5-speed Cruise Drive transmission, including clutch operation, gear shifting mechanisms, and internal components.
Primary Drive System:
Detailed explanation of the primary drive system, including the chain, clutch, and compensator sprocket.
Final Drive Belt:
Maintenance, adjustment, and replacement procedures for the final drive belt and pulleys.
Springer Front End:
Specific instructions for the iconic Harley-Davidson Springer front end, including fork lubrication, shock absorber servicing, and bearing maintenance.
Rear Suspension:
Procedures for servicing and adjusting the rear shock absorbers.
Braking Components:
Detailed overhaul and bleeding procedures for the front and rear hydraulic brake systems, including caliper, master cylinder, and line servicing.
Electrical Charging System:
Diagnosis and repair of the stator, rotor, voltage regulator, and battery charging circuit.
Lighting And Accessories:
Wiring and troubleshooting for headlights, taillights, turn signals, horn, and accessory circuits.
Instrumentation:
Servicing and calibration of the speedometer, tachometer, and indicator lights.
Bodywork And Trim:
Disassembly, installation, and repair procedures for fenders, fuel tank, seat, and other cosmetic components.
Wheel And Tire Service:
Tire changing, balancing, and wheel bearing maintenance.
Engine Disassembly Reassembly:
Complete step-by-step guides for major engine overhauls, including top-end and bottom-end rebuilds.
Efi Component Testing:
Procedures for testing fuel pressure, injector pulse width, and sensor readings using diagnostic tools.
Clutch Adjustment And Replacement:
Detailed instructions for clutch cable adjustment, friction plate replacement, and diaphragm spring servicing.
Transmission Gearbox Service:
Overhaul procedures for the transmission, including gear set inspection and bearing replacement.
Springer Fork Overhaul:
Comprehensive guide to disassembling, cleaning, lubricating, and reassembling the Springer front fork assembly.
Brake System Bleeding:
Proper procedures for bleeding the hydraulic brake system to ensure optimal performance.
Electrical Troubleshooting Charts:
Diagnostic flowcharts and symptom-based troubleshooting for common electrical issues.
Routine Maintenance Tasks:
Step-by-step instructions for oil changes, filter replacements, spark plug changes, and drive belt tension checks.
Wheel Bearing Replacement:
Procedures for replacing front and rear wheel bearings.
Diagnostic Code Interpretation:
Explanation of diagnostic trouble codes (DTCs) and how to retrieve and interpret them.
Depth:
Comprehensive, covering basic maintenance to full engine and transmission rebuilds, with detailed electrical diagnostics and troubleshooting.
Engine Type:
Air-cooled, Twin Cam 88B 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), pushrod actuated, 2 valves per cylinder
Horsepower Est:
Approx. 65-70 HP (Engine output varies)
Torque Est:
Approx. 85-90 ft-lbs @ 3200 RPM (Engine output varies)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Ignition System:
Electronic ignition module, dual spark plugs per cylinder
Type:
5-speed constant mesh, helical gears
Gear Ratios:
1st: 9.312, 2nd: 6.407, 3rd: 4.724, 4th: 3.750, 5th: 3.150
Primary Drive:
Plated chain, 34/46 ratio
Final Drive:
Belt, 32/65 ratio (2.03:1)
Transmission Oil Capacity:
2.7 quarts (2.55 liters)
Transmission Oil Type:
Harley-Davidson Formula+ Transmission Fluid (or equivalent API GL-5, SAE 75W-90 gear oil)
Engine Oil Change:
Every 5,000 miles (8,000 km) or 12 months, whichever comes first. (Check manual for specific recommendation based on use).
Transmission Oil Change:
Every 10,000 miles (16,000 km) or 24 months.
Primary Chain Case Oil Change:
Every 10,000 miles (16,000 km) or 24 months.
Drive Belt Tension Check:
Every 5,000 miles (8,000 km) or 12 months.
Spark Plug Replacement:
Every 10,000 miles (16,000 km) or 24 months. (Refer to manual for correct plug type and gap).
Engine Oil Type:
Harley-Davidson SYN3 (Synthetic) 20W-50, or H-D 360 20W-50 motor oil. (Check manual for specific viscosity and API rating).
Engine Oil Capacity:
3.0 US quarts (2.8 Liters) with filter change.
Brake Fluid Type:
DOT 4 hydraulic fluid.
Cam Chain Tensioner:
Early Twin Cam 88 engines are known for their cam chain tensioner wear. While the 88B has a different setup, it's a common area of interest for upgrades. This manual will guide on inspection.
Springer Fork Lube:
Regular lubrication of the Springer fork is critical to prevent wear and maintain smooth operation.
Efi System Diagnostics:
While generally reliable, EFI systems can develop issues with sensors or fuel delivery. The manual's diagnostic section is invaluable.
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich history of producing V-twin engines and classic cruiser motorcycles.
Softail Lineage:
The Softail platform, introduced in 1984, features concealed rear suspension to mimic the look of a hardtail frame. The Springer variant, with its distinctive mechanical front fork, pays homage to early motorcycle designs.
Twin Cam 88B Introduction:
The Twin Cam 88B engine was introduced in 1999, offering increased displacement and a counter-balanced design for smoother operation compared to earlier Evolution Big Twin engines.
Production Years Flstsci:
The FLSTSCI Springer Softail Classic EFI was produced for a limited period, typically from the mid-2000s, representing a specific styling and technology iteration.