Positioning:
Essential resource for owners and technicians maintaining the iconic 1978 Harley-Davidson Super Glide FX.
Comparison:
Distinguished from generic repair guides by its factory-specific data, ensuring accuracy for the Super Glide FX model.
Features:
Detailed exploded views, torque specifications, troubleshooting flowcharts, and step-by-step repair instructions.
Engine:
Shovelhead V-Twin, Carburetion, Ignition, Lubrication, Cooling (Air)
Transmission:
4-speed Constant Mesh, Clutch, Drivetrain
Chassis And Frame:
Frame, Swingarm, Forks, Suspension (Front & Rear), Wheels, Tires, Bearings
Brakes:
Front Disc Brake System, Rear Drum Brake System, Hydraulic Lines, Master Cylinders
Electrical System:
Ignition System (Points & Condenser), Charging System (Generator/Alternator), Lighting, Switches, Battery, Wiring Diagrams
Fuel System:
Fuel Tank, Fuel Lines, Carburetor (e.g., Keihin, Linkert, Bing - specific model dependent), Fuel Petcock
Bodywork And Trim:
Fenders, Gas Tank, Seat, Handlebars, Controls, Exhaust System
Disassembly And Assembly:
Complete engine, transmission, and component rebuild procedures
Maintenance:
Routine checks, lubrication, filter replacement, tune-ups
Troubleshooting:
Diagnostic charts, common problems and solutions
Adjustments:
Carburetor tuning, ignition timing, clutch and brake adjustments, suspension setup
Special Tools:
Identification of specific Harley-Davidson tools required for certain procedures
Depth:
Comprehensive, covering from basic maintenance to full engine and transmission overhauls. Suitable for professional mechanics and experienced DIYers.
File Type:
Likely printed book, potentially available as PDF
Quality:
Factory specification, typically clear diagrams and text
Binding:
Stapled, perfect bound, or hardbound depending on original publication
Paper:
Durable paper stock suitable for workshop use
Scope:
Comprehensive factory service manual covering all major mechanical and electrical systems.
Engine Type:
Air-cooled, 45-degree V-twin, four-stroke
Engine Displacement:
74 cubic inches (1200cc)
Bore X Stroke:
3.4375 in x 4.00 in (87.3 mm x 101.6 mm)
Compression Ratio:
Approx. 8.0:1 (stock)
Horsepower:
Approx. 60-65 HP @ 5000 RPM (estimated)
Torque:
Approx. 70-75 ft-lbs @ 3200 RPM (estimated)
Carburetor:
Single Carburetor (e.g., Keihin Butterfly, Linkert, or Bing depending on specific production run)
Fuel Type:
Unleaded gasoline (higher octane recommended for optimal performance)
Fuel Capacity:
Approx. 4.0 US gallons (15.1 L)
Transmission Type:
4-speed Constant Mesh
Clutch Type:
Wet multi-plate
Drive Type:
Belt Drive to primary, Chain Drive to rear wheel
Transmission Oil Type:
Harley-Davidson primary chaincase lubricant or equivalent (refer to manual for specific viscosity)
Transmission Oil Capacity:
Approx. 1 US quart (0.95 L)
Safety Standards:
N/A (Motorcycle safety standards as understood for the era)
Braking System:
Front: Hydraulic disc brake with single caliper. Rear: Mechanical drum brake.
Lighting:
Headlight, taillight, brake light, turn signals (may vary by market)
Oil Change:
Every 2,000-3,000 miles or annually (refer to manual for precise intervals)
Primary Chain Adjustment:
Check and adjust as needed (typically every 5,000 miles)
Spark Plugs:
Inspect and clean/replace every 5,000-10,000 miles
Ignition Timing:
Check and adjust at major service intervals or as performance dictates
Engine Oil Type:
Motorcycle-specific V-Twin oil, SAE 20W50 or 10W40 (refer to manual for exact specification and viscosity based on temperature)
Engine Oil Capacity:
Approx. 4 US quarts (3.8 L) with filter change
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid (check caliper/master cylinder markings)
Carburetion Tuning:
Carburetors (especially older ones) can be finicky and require frequent adjustment for optimal performance and fuel mixture.
Ignition System:
Points, condenser, and ignition coil can wear out and require periodic replacement or adjustment for reliable starting and running.
Oil Leaks:
Common across many vintage motorcycles due to aged gaskets and seals; requires vigilant inspection and potential replacement.
Electrical Connections:
Corrosion and loose connections in the older electrical system can lead to intermittent issues.
Heritage:
Harley-Davidson, established 1903, renowned for its V-twin engines and American motorcycle culture.
Super Glide Fx Evolution:
The FX designation represented Harley-Davidson's attempt to compete in the chopper and custom motorcycle market. The 1978 model continued the evolution of this platform.
Production Period:
The FX Super Glide was introduced in 1971, with ongoing evolution through the late 1970s and beyond.
