1984-1999 Harley-Davidson 1340 cc Softail Motor Service Repair Manual

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🏷️ Basic Information Identification Make: Harley-Davidson Model: Softail Engine Displacement: 1340 cc Model Years Covered: 1984-1999 Codes Engine Code Designation: Evolution (Evo) 👋 Introduction Market Position Segment: Cruiser Motorcycle Target...

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类型: Motorcycle

斯库: 603266

标签: 1340 cc Softail 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Harley Davidson Motorcycle Motorcycles Softail

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Description

🏷️ Basic Information

Identification

Make:

Harley-Davidson

Model:

Softail

Engine Displacement:

1340 cc

Model Years Covered:

1984-1999

Codes

Engine Code Designation:

Evolution (Evo)

👋 Introduction

Market Position

Segment:

Cruiser Motorcycle

Target Audience:

Harley-Davidson Softail owners, mechanics, and enthusiasts performing their own maintenance and repairs

Competitive Analysis

Key Competitors Era:

Various cruiser motorcycles from brands like Honda (Shadow), Yamaha (Virago), Kawasaki (Vulcan), Indian

Key Features

Motor Design:

Iconic Harley-Davidson Evolution V-Twin engine, known for its torque and distinctive sound

Chassis Design:

Softail frame with hidden rear suspension, mimicking a hardtail look while providing ride comfort

📋 Manual Details

Coverage Areas

Primary Focus:

Motorcycle Service and Repair

Component Coverage:

Engine, Transmission, Chassis, Electrical, Suspension, Brakes, Fuel System, Exhaust

Page Count

Estimated Pages:

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Internals:

Cylinder Head, Piston, Connecting Rod, Crankshaft, Camshaft, Valve Train

Fuel System:

Carburetor (CV, Keihin), Fuel Tank, Fuel Lines, Fuel Pump (if applicable)

Ignition System:

Points, Condenser, Ignition Module, Spark Plugs, Wiring

Transmission And Drivetrain:

Primary Drive, Clutch, Gearbox, Belt Drive/Chain Drive (final drive)

Electrical System:

Battery, Charging System (Stator, Regulator/Rectifier), Lighting, Ignition Switches, Starter Motor

Suspension And Steering:

Front Fork (Showa, Marzocchi), Rear Shocks, Swingarm, Steering Headset

Braking System:

Front and Rear Brakes (Calipers, Rotors, Master Cylinders, Lines, Fluid)

Chassis And Frame:

Frame, Mounts, Bodywork (Fenders, Tank, Seat)

Procedures Included

Routine Maintenance:

Oil Changes, Filter Replacements, Spark Plug Replacement, Chain Adjustment, Brake Pad Inspection

Engine Rebuild:

Top-end rebuild, Full engine disassembly and reassembly, Piston ring replacement, Valve seal replacement

Transmission Repair:

Clutch adjustment and replacement, Gearbox internal inspection and repair, Bearing replacement

Carburetor Overhaul:

Disassembly, cleaning, reassembly, jetting adjustments

Electrical Troubleshooting:

Wiring diagram interpretation, diagnosing charging system faults, starter circuit issues

Suspension Service:

Fork seal replacement, Shock absorber replacement, Swingarm bearing maintenance

Brake System Service:

Brake fluid flush and replacement, Caliper rebuild, Pad replacement

Technical Depth

Diagnostic Capabilities:

Detailed troubleshooting guides, common fault diagnosis, wiring diagrams for electrical systems

Repair Instructions:

Step-by-step procedures with torque specifications and special tool requirements

Special Tools:

Identification of Harley-Davidson specific tools and their usage

📊 Manual Specifications

File Format

Digital Format Notes:

N/A (Print Manual)

Print Quality

Print Type:

High-quality offset printing

Binding Type

Binding:

Saddle-stitched or perfect bound

Paper Type

Paper Quality:

Durable, often coated paper for longevity in a workshop environment

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, 45-degree V-twin, OHV (Overhead Valve)

Bore X Stroke:

3.50 in x 4.25 in (88.9 mm x 107.95 mm)

Compression Ratio:

Approx. 8.5:1 to 9.1:1 (varies slightly by year/model)

Valves Per Cylinder:

Performance

Horsepower Estimate:

Approx. 55-65 HP (varies by year and tuning)

Torque Estimate:

Approx. 70-80 ft-lbs (95-108 Nm) (varies by year and tuning)

Fuel System

Carburetor Type:

Keihin CV (Constant Velocity) 40mm

Fuel Type:

Unleaded Gasoline, minimum 91 Octane (AKI)

🔧 Transmission

Standard

Transmission Type:

5-speed Manual (Trapezoidal Gearbox)

Primary Drive:

Multi-plate Wet Clutch, Chain Driven

Final Drive:

Belt Drive (typically 132-tooth, 1.5 inch wide)

Features

Clutch Operation:

Cable-actuated

📐 Dimensions

Exterior

Wheelbase:

Approx. 63.5 inches (1613 mm) (varies by model)

Seat Height:

Approx. 27.5 inches (698.5 mm) (unladen, varies by model)

Weights

Dry Weight:

Approx. 575-620 lbs (261-281 kg) (varies by model)

Fuel Capacity:

Approx. 3.5 - 5.0 gallons (13.2 - 18.9 L) (varies by model)

🛡️ Safety Features

Ratings

Motorcycle Safety Standards:

Adheres to applicable DOT and industry safety standards for motorcycles.

Active Features

Braking System:

Dual Disc Front, Single Disc Rear (hydraulic actuation)

Passive Features

Lighting:

Headlight, Taillight, Brake Light, Turn Signals

💡 Technology Features

Infotainment

Infotainment Systems:

Typically limited to analog gauges (speedometer, tachometer, oil pressure), not applicable for modern infotainment.

Driver Assistance

Driver Assistance Features:

None; this era of motorcycles focused on mechanical systems.

Connectivity

Connectivity Options:

None.

🔧 Maintenance

Service Intervals

Initial Service:

First service typically at 1,000 miles (1,600 km) or 1 month.

Oil Change Interval:

Every 2,500 - 5,000 miles (4,000 - 8,000 km) or annually, depending on usage and oil type.

Transmission Oil Change:

Every 5,000 - 10,000 miles (8,000 - 16,000 km).

Fluid Specifications

Engine Oil Type:

Harley-Davidson Genuine V-Twin Oil 20W50, or equivalent API SG or higher specification.

Engine Oil Capacity:

Approx. 3 quarts (2.8 Liters) with filter change.

Transmission Oil Type:

Harley-Davidson Formula +, or equivalent SAE 85W-140 gear oil.

Transmission Oil Capacity:

Approx. 1 quart (0.95 Liters).

Primary Chain Case Oil Type:

Harley-Davidson Formula +, or equivalent SAE 85W-140 gear oil.

Primary Chain Case Oil Capacity:

Approx. 24 oz (0.7 L).

Brake Fluid Type:

DOT 4 or DOT 5.1 (depending on caliper type/original spec, check specific model year manual).

Known Issues

Cam Chain Tensioners:

Early models (pre-2002) had less robust cam chain tensioners that could wear prematurely, potentially leading to noise or damage. Many owners upgrade to hydraulic tensioners.

Carburetor Tuning:

CV carburetor can sometimes require tuning adjustments due to altitude, temperature, or modifications.

Oil Leaks:

Common leak points include the pushrod tubes, rocker box gaskets, and primary cover gasket due to age and material degradation.

Ignition System Reliability:

Points ignition systems require periodic adjustment. Later models with electronic ignition are generally more reliable.

📚 Vehicle History

Brand Heritage

Brand Foundation:

Harley-Davidson, founded in 1903, is an American manufacturer of custom, cruiser, and touring motorcycles.

Model Evolution

Softail Introduction:

The Softail platform was introduced in 1984, featuring a revolutionary frame design that concealed the rear shock absorbers, mimicking the look of a rigid 'hardtail' frame while offering improved ride comfort.

Engine Evolution:

The 1340cc Evolution engine, introduced in 1984 for Big Twin models including the Softail, replaced the Shovelhead engine. It was a more modern, reliable, and air-cooled V-twin design.

Production

Manufacturing Location:

Primarily manufactured in the United States by Harley-Davidson.

🏆 Awards & Recognition

Recognitions

Model Significance:

The 1340cc Evolution engine and Softail chassis design are considered iconic and a cornerstone of Harley-Davidson's product line for many years, contributing to the brand's enduring popularity.