Segment:
Classic American V-twin cruiser motorcycle.
Target Customer:
Enthusiasts and owners of the 1973 Harley-Davidson Super Glide FXE requiring detailed technical information.
Value Proposition:
Provides the definitive factory-authorized repair information, essential for preserving the originality and functionality of a vintage Harley-Davidson.
Originality:
Authentic factory service manual, ensuring accuracy and adherence to original specifications.
Comprehensiveness:
Covers all aspects of repair and maintenance for the specified model year.
Usability:
Designed for both professional mechanics and amateur enthusiasts with clear, sequential instructions.
Primary Focus:
Repair, adjustments, maintenance, troubleshooting
Intended Audience:
Mechanics, DIY persons
Estimated Pages:
Varies by original factory publication, typically 300-500 pages for this era of service manual
Type:
Service Repair Manual
Format:
Printed (as implied by description, though digital versions may exist)
Engine:
Detailed disassembly, assembly, inspection, and repair of the Shovelhead engine.
Transmission:
Service and repair procedures for the 4-speed transmission.
Electrical System:
Wiring diagrams, component testing, ignition system, charging system, lighting.
Fuel System:
Carburetor (likely Linkert or early Keihin butterfly) overhaul and adjustment, fuel lines, fuel tank.
Brakes:
Front and rear brake system maintenance, adjustment, and component replacement.
Suspension:
Front fork (likely leading-axle) and rear shock absorber service.
Frame And Body:
Frame inspection, bodywork, fenders, seat, controls.
Wheels And Tires:
Wheel bearing service, tire inspection and replacement.
Maintenance:
Routine checks, lubrication, fluid changes, filter replacement.
Repair:
Step-by-step repair instructions for all major mechanical and electrical components.
Disassembly Assembly:
Comprehensive guides for taking apart and reassembling all systems.
Troubleshooting:
Diagnostic procedures for common problems and symptoms.
Adjustments:
Specific instructions for adjusting ignition timing, carburetor settings, clutch, brakes, etc.
Depth:
Covers procedures from basic adjustments and maintenance to full engine and transmission rebuilds.
Digital Format:
Likely available in PDF format for digital distribution, offering searchability and ease of access.
Print Quality:
High-quality reproductions of original factory manuals, ensuring clear diagrams and text.
Binding:
Professionally bound for durability and ease of use in a workshop environment.
Paper Quality:
Durable paper stock suitable for shop use, resisting grease and dirt.
Engine Type:
Air-cooled, 45-degree V-twin, OHV (Overhead Valve)
Engine Family:
Shovelhead
Displacement:
74 cubic inches (1213 cc)
Bore X Stroke:
3.4375 in x 4.25 in (87.3 mm x 108 mm)
Compression Ratio:
Approximately 8.0:1 (can vary slightly)
Cylinder Heads:
Cast iron
Crankshaft:
Timken bearing on drive side, common bearing on generator side
Horsepower:
Estimated 60-65 HP (at the crankshaft, depends on tuning and exact configuration)
Torque:
Estimated 70-75 ft-lbs (at the crankshaft, depends on tuning and exact configuration)
Carburetor Type:
Likely Harley-Davidson Linkert, or an early Keihin butterfly (BD or BK series), or S&S Super E/B (aftermarket fitment common)
Fuel Octane Rating:
91-93 octane (or leaded equivalent if original) recommended for optimal performance and to prevent pre-ignition.
Ignition Type:
Battery and coil, points-type distributor (often a Delco-Remy unit).
Oil System:
Dry sump system with oil tank separate from the crankcase.
Transmission Type:
4-speed constant mesh, foot shift, hand clutch
Gear Ratios:
Gear ratios are specific to the 4-speed gearbox; manual will detail these, e.g., 1st: ~10.28:1, 2nd: ~7.39:1, 3rd: ~5.33:1, 4th: ~4.00:1 (typical for this era, exact values in manual).
Clutch Type:
Wet, multi-plate, operated by hand lever.
Primary Drive:
Duplex chain drive from crankshaft to transmission input shaft.
Wheelbase:
Approximately 62 inches (1575 mm)
Length:
Approximately 90 inches (2286 mm)
Dry Weight:
Approximately 530 lbs (240 kg)
Gross Vehicle Weight Rating:
Not typically specified for motorcycles in the same way as cars; refers to combined weight of rider, passenger, and cargo.
Safety Standards:
As per 1970s motorcycle safety regulations; no modern NCAP or NHTSA ratings apply.
Braking System:
Front: Hydraulic disc brake (early adoption for Harley-Davidson FX models). Rear: Drum brake.
Lighting:
Headlight, taillight, brake light, turn signals (depending on market and original configuration).
Oil Change:
Every 2,000-3,000 miles or annually, whichever comes first (refer to manual for exact specification).
Engine Top End Inspection:
Periodic inspection of cylinder heads, valves, and pushrods is recommended by the manual.
Transmission Fluid Change:
Recommended every 6,000-10,000 miles (consult manual for specific interval and fluid type).
Spark Plug Replacement:
Typically every 10,000-15,000 miles (refer to manual for specific plug type and gap).
Engine Oil Type:
For this era, HD 360 20W50 motorcycle oil (or equivalent API SG/SH or higher) is often recommended. The manual will specify the exact type and viscosity. Mineral-based oils are generally preferred.
Transmission Oil Type:
HD Transmission Lubricant (or equivalent SAE 80W-90 gear oil). The manual will specify the correct fluid for the 4-speed gearbox.
Primary Chain Case Oil:
Harley-Davidson primary chain lubricate or similar; typically 3-4 pints. The manual will detail the specific fluid and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid for the front disc brake. Manual will specify.
Shovelhead Engine:
Potential for oil leaks (especially from the rocker boxes and crankcase seals), valve guide wear, and carburetor adjustment sensitivity.
Transmission:
Occasionally, issues with the shifting mechanism or worn bearings. Clutch adjustment is crucial.
Electrical System:
Aging wiring harnesses can lead to intermittent electrical faults. Generator charging output can be a concern.
Carburetion:
Linkert carburetors require precise adjustment; older Keihin butterfly carbs can also require tuning.
Suspension:
Front forks may require seals and fluid replacement; rear shocks can lose damping over time.
Brand History:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser style.
Fx Series Introduction:
The FX series was introduced in 1971, blending the Sportster frame with the larger Shovelhead engine, creating the 'Super Glide' as the first factory-custom cruiser. The FXE was an electric start version.
Manufacturing Location:
Milwaukee, Wisconsin, USA
Production Era:
1973 marked an important point in the development of the Shovelhead engine and the FX platform.