Positioning:
Essential guide for owners and mechanics of the iconic 1970 Harley-Davidson Super Glide FX, catering to the burgeoning classic motorcycle restoration and maintenance market.
Competition:
Direct competitor to other factory service manuals for American V-twin motorcycles of the era. Offers specific factory-documented procedures.
Features:
Authoritative, factory-backed repair information, detailed diagrams, sequential repair steps, and troubleshooting guidance.
Coverage:
Complete service, repair, and maintenance information for the 1970 Harley-Davidson Super Glide FX.
Pages:
N/A (Specific page count not provided in product description, typically hundreds for this era).
Type:
Service Manual / Repair Manual
Format:
Print (implied by 'handy, easy to read reference book')
Engine:
Disassembly, assembly, inspection, repair, and adjustment of the Shovelhead engine.
Transmission:
Service and repair of the 4-speed constant mesh transmission.
Electrical System:
Wiring diagrams, ignition system, lighting, charging system, and battery maintenance.
Fuel System:
Carburetor (likely Linkert or early Keihin butterfly) disassembly, cleaning, adjustment, and troubleshooting.
Chassis:
Frame, front fork (often FLH style leading-link or similar), rear suspension, and steering head.
Brakes:
Drum brake service and adjustment (front and rear).
Wheels And Tires:
Wheel bearing service, tire mounting, and spoke tensioning (if applicable).
Bodywork:
Fender, fuel tank, seat, and other body component removal and installation.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, lubrication points, spark plug service.
Troubleshooting:
Diagnosis of common performance issues and component failures.
Repair Procedures:
Step-by-step instructions for component disassembly, reassembly, and repair.
Adjustment Procedures:
Carburetor tuning, ignition timing, clutch and brake adjustments.
Installation Procedures:
Installation of new components and replacement parts.
Engine Rebuild:
Includes complete disassembly, inspection, machining specifications, and reassembly of the Shovelhead engine.
Depth:
Comprehensive, covering from basic adjustments to complete engine and transmission rebuilds.
Special Tools:
Likely lists required special tools for specific engine and transmission tasks.
Digital Format:
N/A (Sold as printed, potential for aftermarket PDF conversion).
Print Quality:
Likely black and white line drawings and text; quality depends on original printing.
Binding:
Likely bound or staple-bound for workshop use.
Paper Type:
Standard workshop paper, designed for durability in a garage environment.
Completeness:
Factory Service Manual, designed to be comprehensive for repair and maintenance.
Engine Type:
45-degree V-twin, air-cooled OHV (Shovelhead).
Displacement:
74 cubic inches (1200cc).
Bore X Stroke:
3.4375 in. x 4.25 in. (87.3 mm x 108 mm).
Compression Ratio:
Approximately 8:1 (varies slightly by variant).
Horsepower:
Approx. 58-60 HP @ 5000 RPM (estimated, official figures can vary).
Torque:
Approx. 65-70 ft-lbs @ 3000 RPM (estimated).
Carburetor:
Typically a Linkert M-series or early Keihin butterfly carburetor (specific model depends on exact build).
Fuel Type:
Unleaded gasoline (octane rating appropriate for the era, e.g., 90-92 octane).
Ignition Type:
Battery and coil, breaker point ignition.
Oil System:
Dry sump lubrication system with a frame-mounted oil tank.
Cooling Method:
Air-cooled.
Transmission Type:
4-speed constant mesh, foot shift, hand clutch.
Optional Transmissions:
N/A for this specific model year and variant.
Clutch Type:
Dry multi-plate clutch, operated by hand lever.
Gear Ratios:
Specific ratios will be detailed in the manual, typically geared for low-end torque.
Final Drive:
Belt drive to the rear wheel.
Safety Ratings:
N/A (Pre-dates modern vehicle safety rating systems).
Braking System:
Dual leading shoe front drum brake, single leading shoe rear drum brake.
Lighting:
Headlight, taillight, brake light, turn signals (if equipped).
Oil Change:
Typically every 1,000-1,500 miles or as specified in the manual.
Engine Tune Up:
Spark plugs, ignition timing, and carburetor adjustments recommended annually or every 3,000-5,000 miles.
Primary Chain Tension:
Check and adjust periodically as per manual recommendations.
Engine Oil:
Typically SAE 50 or SAE 20W-50 motorcycle-specific oil (e.g., Harley-Davidson Genuine Motor Oil, Valvoline VR1 20W-50).
Transmission Oil:
Harley-Davidson recommended transmission lubricant or equivalent SAE 80W-90 gear oil.
Primary Chain Case Oil:
Harley-Davidson primary chain lubricant or SAE 50 oil.
Carburetor Wear:
Linkert carburetors can be prone to wear in the throttle shaft, requiring rebuilds or replacement with aftermarket units.
Oil Leaks:
Common for vintage Harleys; requires attention to gasket sealing and breather systems.
Electrical Reliability:
Older wiring and components can degrade, necessitating inspection and potential upgrades or repairs.
Brake Performance:
Drum brakes are less powerful than modern disc brakes; require careful adjustment and maintenance for optimal performance.
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer with a rich history of V-twin engines and classic styling.
Evolution:
The Super Glide FX was introduced in 1971 as a factory custom, combining elements of the FLH Electra Glide and the Sportster XLH. The 1970 model year is the immediate predecessor and shares much of the platform that led to the FX model designation.
Production Era:
The FX series, including the Super Glide, was produced throughout the 1970s and evolved significantly over the decades.
