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Harley Davidson Softail Service Repair Manual 1991-1992 Download PDF

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Basic Information Identification Make: Harley-Davidson Model: Softail Production Years Covered: 1991-1992 Applicable Variants: FX, FL, FLSTC/F, FXSTS Codes Engine Family: Evolution (Evo) Introduction Market Position Target Audience: Harley-Davidson Softail owners,...
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Type: Motorcycle
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Sku: 35990
Harley Davidson Softail Service Repair Manual 1991-1992 Download PDF
Basic Information
Identification
Make: Harley-Davidson
Model: Softail
Production Years Covered: 1991-1992
Applicable Variants: FX, FL, FLSTC/F, FXSTS
Codes
Engine Family: Evolution (Evo)
Introduction
Market Position
Target Audience: Harley-Davidson Softail owners, DIY mechanics, independent repair shops
Value Proposition: Cost savings through self-repair, empowering owners with professional-level knowledge
Competitive Analysis
Advantage: Instant download, comprehensive coverage, professional-grade information
Key Features
Visual Aids: Numerous pictures and diagrams
Instruction Style: Easy-to-follow, step-by-step instructions
Accessibility: Printable pages for on-site use
Cost Savings: Empowers owners to perform their own repairs, leading to significant cost savings compared to dealership service.
Manual Details
Coverage Areas
Primary Focus: Repair and Maintenance
Diagnostic Scope: Comprehensive diagnostics and troubleshooting
Additional Sections: Includes sections on troubleshooting, regular maintenance, and torque values, providing a holistic approach to vehicle care.
Page Count
Total Pages: 347
Manual Type
Type: Service Repair Manual
Language
Language: English
Format
Digital Format: PDF Download
Compatibility: Windows & Mac
Software Requirement: Adobe PDF Reader
Manual Coverage
Systems Covered
Engine Mechanical: Engine stripping for repair, cylinder head, cylinder and piston, valves, tapets and guides, gear case cover, timing gears, crankcase, flywheels
Fuel System: Carburetor, fuel supply valve, fuel tank, air cleaner
Exhaust System: Exhaust system
Drivetrain: Primary chain, drive belt and sprocket, transmission sprocket, clutch, primary chain case, transmission, shifter cam assembly, transmission side cover, shifter forks, main shafts and counter shafts, transmission case
Braking System: Brakes, front and rear brake master cylinder
Suspension Steering: Front fork adjustments
Electrical System: Ignition system, spark plugs, charging system, wiring diagrams
Frame And Body: While not explicitly detailed in the provided list, service manuals of this scope often include basic frame inspection and bodywork repair procedures.
Procedures Included
Maintenance: Regular maintenance intervals
Troubleshooting: Troubleshooting procedures
Torque Specifications: Torque values for various components
Rebuild Procedures: Engine repair, transmission rebuild, brake system overhaul
Electrical Diagnostics: Detailed troubleshooting and repair of ignition, charging, lighting, and starter systems.
Clutch Adjustment: Procedures for clutch adjustment and replacement.
Transmission Overhaul: Complete disassembly, inspection, and reassembly of the 5-speed transmission.
Technical Depth
Depth: Comprehensive (from routine maintenance to complete engine and transmission rebuilds)
Professional Level: Equivalent to professional technician/mechanic manuals
Diagram Detail: High-resolution illustrations and diagrams for clear component identification and assembly/disassembly guidance.
Manual Specifications
File Format
File Type: PDF
Searchability: Likely text-searchable PDF
Download Method: Instant download via secure payment processor.
Print Quality
Printability: All pages printable
Binding Type
Binding: Digital download (no physical binding)
Paper Type
Paper Type Equivalent: Standard repair manual paper
Engine Specifications
Primary Engine
Engine Type: Harley-Davidson Evolution (Evo) V-Twin
Engine Configuration: Air-cooled, 45-degree V-twin
Performance
Typical Displacement: 80 cubic inches (1339cc) - common for this era, specific displacement may vary by sub-model
Bore Stroke Typical: 3.50 in. x 4.25 in. (88.9 mm x 108 mm) - typical for 80ci Evo
Fuel System
Carburetor Typical: Keihin CV (Constant Velocity) 40mm
Fuel Delivery: Carbureted
Ignition System
Ignition Type: Electronic Ignition (CDI or similar)
Transmission
Standard
Transmission Type: 5-speed manual
Drive Type: Belt Drive (primary), Chain Drive (secondary)
Features
Clutch Type: Wet, multi-plate, diaphragm spring clutch
Dimensions
Exterior
Wheelbase Typical: Varies by sub-model (e.g., FXSTS approx. 64.3 inches)
Weights
Dry Weight Typical: Approx. 600-650 lbs (272-295 kg) depending on model
Safety Features
Ratings
Safety Standards: Adheres to relevant motorcycle safety regulations of the era
Active Features
Braking Features: Hydraulic front and rear disc brakes
Passive Features
Frame Construction: Steel tube frame
Technology Features
Infotainment
Infotainment System: Not applicable for this era; basic analog gauges (speedometer, tachometer optional, oil pressure, volt meter)
Driver Assistance
Driver Assistance Features: None
Connectivity
Connectivity Features: None
Maintenance
Service Intervals
Oil Change Interval: Refer to manual for specific intervals, typically 3,000-5,000 miles or annually
Primary Fluid Change: Refer to manual for specific intervals
Fluid Specifications
Engine Oil Type Typical: Harley-Davidson proprietary V-Twin oil or equivalent API SG or higher, SAE 20W50
Primary Chain Case Fluid Typical: Formula+ Transmission & Primary Chain Case Lubricant or equivalent
Transmission Fluid Typical: Harley-Davidson Genuine Transmission Fluid or equivalent SAE 80W-90
Brake Fluid Type: DOT 4 (refer to manual for specific recommendations)
Known Issues
Carburetor Tuning: Potential need for carburetor adjustment and maintenance, especially after long periods of disuse
Cam Chain Tensioner: Evolution engines use a cam chain tensioner that can wear over time; early models had less durable tensioners that may require upgraded replacements (covered in advanced diagnostics/rebuild sections).
Gasket Leaks: Typical for motorcycles of this age, potential for oil leaks at various gasket points (e.g., primary cover, transmission).
Charging System: Stator or voltage regulator issues can occur; diagnostic procedures are key.
Vehicle History
Brand Heritage
Brand Identity: Iconic American motorcycle manufacturer with a long history of V-twin engines and cruiser styling
Model Evolution
Softail Design: Softail chassis designed to mimic the look of a hardtail frame with hidden rear suspension components
1990S Era: Represents a key period for the Evolution engine and continued refinement of the Softail platform
Production
Manufacturing Location: USA (Milwaukee, Wisconsin and other Harley-Davidson facilities)
Awards & Recognition
Recognitions
Model Recognition: Harley-Davidson Softail models are consistently recognized for their classic styling and V-twin performance, cementing their status as iconic cruisers.
Ratings
Consumer Satisfaction: Generally high consumer satisfaction for the Softail platform, known for its ride quality and enduring appeal.
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