Model Segment:
Cruiser / Custom Motorcycle
Target Audience:
Harley-Davidson owners and independent repair shops seeking authoritative service information.
Alternatives In Era:
Competed with models from brands like Indian, Yamaha (Virago), Suzuki (Intruder), and Kawasaki (Vulcan) in the cruiser segment.
Motorcycle Platform:
Dyna platform, known for its balance of handling and classic Harley-Davidson feel.
Design Philosophy:
Emphasized a low-slung riding position and custom styling characteristic of the Low Rider designation.
Engine:
Detailed diagrams, specifications, troubleshooting, disassembly, assembly, and overhaul for the Harley-Davidson Evolution V-Twin engine.
Transmission:
Service and repair of the 5-speed transmission, including clutch, primary drive, and gear shifting mechanisms.
Electrical System:
Comprehensive wiring diagrams, ignition system (including electronic ignition), lighting, starting system, charging system, and accessory circuits.
Chassis And Suspension:
Front forks (including fork seal replacement), rear shock absorbers, swingarm, wheel bearings, and steering head bearings.
Brakes:
Front and rear brake system maintenance, including hydraulic brake lines, calipers, master cylinders, and brake pad replacement.
Fuel System:
Carburetor (likely Keihin CV) service, tuning, and overhaul. Fuel tank, fuel lines, and fuel filter maintenance.
Exhaust System:
Information on the exhaust system components and potential service related to mufflers and pipes.
Bodywork And Trim:
Installation and removal of fenders, fuel tank, seat, handlebars, and other cosmetic components.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, spark plug replacement, chain adjustment (if applicable), and lubrication schedules.
Troubleshooting:
Diagnostic procedures for common issues and electrical system faults, often with flowcharts and symptom-based solutions.
Repair:
Detailed step-by-step instructions for component disassembly, repair, and reassembly for all major motorcycle systems.
Diagnostics:
Guidance on identifying and rectifying mechanical and electrical problems.
Torque Specifications:
Essential torque values for critical fasteners throughout the motorcycle.
Depth Of Coverage:
Comprehensive factory-level detail covering everything from basic scheduled maintenance to complete engine and transmission rebuilds.
Diagnostic Capabilities:
Advanced diagnostic procedures for identifying and resolving complex issues, including electrical troubleshooting with specific test procedures.
Engine Type:
Harley-Davidson Evolution V-Twin (Big Twin)
Engine Displacement:
80 cubic inches (1340cc)
Bore X Stroke:
3.50 in x 4.25 in (88.9 mm x 108.0 mm)
Compression Ratio:
8.5:1 (typical for this era)
Valvetrain:
Overhead Valve (OHV), 2 valves per cylinder
Cooling System:
Air-cooled
Horsepower:
Approx. 65-70 HP (estimate, actual figures vary)
Torque:
Approx. 75-80 lb-ft (estimate, actual figures vary)
Carburetor:
Keihin CV (Constant Velocity) 40mm
Fuel Type:
Unleaded Gasoline, minimum 87 octane
Ignition Type:
Electronic Ignition (CDI)
Transmission Type:
5-speed Manual Constant Mesh
Primary Drive:
Duplex Chain (e.g., 1.37:1 ratio)
Final Drive:
Belt Drive (e.g., 32/66 tooth ratio)
Clutch Type:
Wet, multi-plate
Transmission Fluid Spec:
Harley-Davidson Formula+ Transmission & Primary Chaincase Lubricant (or equivalent API GL-4, SAE 80W-90 gear oil).
Wheelbase:
Approx. 63.0 inches (1600.2 mm)
Length:
Approx. 91.0 inches (2311.4 mm)
Width:
Approx. 37.0 inches (939.8 mm)
Height:
Approx. 47.0 inches (1193.8 mm)
Seat Height:
Approx. 26.5 inches (673.1 mm)
Dry Weight:
Approx. 576 lbs (261.3 kg)
Gross Vehicle Weight Rating:
Not explicitly stated, but rider and cargo capacity are defined.
Fuel Capacity:
4.0 US gallons (15.1 liters)
Safety Certification:
Meets DOT and EPA standards for motorcycles of its era.
Braking System:
Dual-piston caliper front and rear disc brakes.
Lighting:
Halogen headlamp, taillight, brake light, and turn signals.
Frame Construction:
Steel tube frame, engineered for stability and handling.
Oil Change Interval:
Every 2,500 miles or 4 months (typical for this era, check manual for specifics).
Primary Chain Adjustment:
Check and adjust as needed, typically every 5,000 miles.
Spark Plug Replacement:
Every 10,000 miles or annually.
Engine Oil Type:
Harley-Davidson 20W-50 SYN3 (or equivalent API SG, SAE 20W-50 motorcycle oil).
Engine Oil Capacity:
Approx. 3.0 US quarts (2.8 liters) with filter change.
Brake Fluid Type:
DOT 4 Hydraulic Fluid.
Fork Oil Type:
Harley-Davidson Type E (or equivalent SAE 15W fork oil).
Carburetor Tuning:
Keihin CV carburetors can sometimes require adjustment for optimal performance due to altitude or modifications.
Cam Chain Tensioners:
Early Evolution engines (prior to revised tensioners) can experience wear; the manual provides inspection and replacement procedures.
Electrical Connections:
Corrosion in electrical connectors can lead to intermittent issues; the manual details troubleshooting steps.
Maintenance Manual Utility
Value Proposition:
Essential resource for maintaining the longevity and performance of a classic Harley-Davidson Dyna Low Rider, enabling DIY repairs and diagnostics.
Brand History:
Harley-Davidson, an iconic American motorcycle manufacturer with a legacy dating back to 1903.
Dyna Series Introduction:
The Dyna platform was introduced in 1991, marking a significant evolution in Harley-Davidson's cruiser offerings with its rubber-mounted engine for reduced vibration.
Low Rider Concept:
The Low Rider model has a history dating back to the 1970s, characterized by its low seat height and relaxed ergonomics.
Production Period:
1991-1998 for the FXDL Dyna Low Rider model within the Dyna family.
Model Recognition:
The Dyna Low Rider is a popular model among Harley-Davidson enthusiasts, recognized for its blend of classic styling and improved handling over earlier Big Twin models.
Reliability Rating:
Reliability is generally considered good for the era, with proper maintenance being key. The manual is critical for addressing potential issues.
Emissions Compliance:
Compliant with EPA and California Air Resources Board (CARB) emissions standards for the model years.
