Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson FXS Low Rider owners, independent motorcycle mechanics, restoration enthusiasts.
Value Proposition:
Provides essential factory-backed information for maintaining and repairing the iconic 1984 FXS Low Rider, ensuring authenticity and proper function.
Manual Features:
Official factory content, comprehensive coverage, detailed diagrams, step-by-step procedures, troubleshooting guidance.
Engine Systems:
Engine disassembly, assembly, inspection, tuning, troubleshooting, oil system, cooling system (air-cooled), lubrication.
Transmission Systems:
Clutch, gearbox, primary drive, final drive, lubrication, adjustment, repair.
Fuel System:
Carburetor (e.g., Keihin Butterfly), fuel pump, fuel lines, fuel tank, troubleshooting.
Ignition System:
Ignition timing, coil, spark plugs, wiring, troubleshooting.
Electrical System:
Charging system (alternator, regulator), starting system (starter motor, solenoid), battery, lighting, switches, wiring diagrams, troubleshooting.
Braking System:
Front and rear brake caliper service, master cylinder overhaul, brake fluid specifications, bleeding procedures, troubleshooting.
Suspension System:
Front fork service (e.g., Showa or similar), rear shock absorber inspection and replacement, troubleshooting.
Wheel And Tire System:
Wheel bearing inspection and replacement, tire pressure recommendations, wheel balancing, troubleshooting.
Frame And Bodywork:
Frame inspection, body panel removal and installation, seat, fenders, handlebar, control cables.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, tightening specifications.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain adjustment, brake adjustments, lubrication points.
Diagnostic Procedures:
Troubleshooting guides for common and uncommon issues, symptom-based diagnostics, electrical testing, engine performance testing.
Repair Procedures:
Detailed step-by-step instructions for component removal, overhaul, and reassembly.
Overhaul Procedures:
Complete engine rebuild, transmission rebuild, carburetor overhaul, fork seal replacement.
Wiring Diagrams:
Comprehensive electrical schematics for all systems.
Depth Level:
Comprehensive factory-level detail for both routine maintenance and major overhaul and repair.
Special Tools:
Identification and usage of specialized tools required for specific procedures.
Engine Type:
Air-cooled, four-stroke, V-twin
Engine Displacement:
1339.6 cc (81.8 cubic inches)
Bore X Stroke:
3.44 in x 4.25 in (87.3 mm x 108.0 mm)
Compression Ratio:
8.0:1 (typical for Shovelhead)
Valve Train:
OHV, 2 valves per cylinder
Horsepower:
Approximately 65-70 HP (estimated, varies with tuning)
Torque:
Approximately 70-75 ft-lbs (estimated, varies with tuning)
Carburetor Type:
Keihin Butterfly (common for this era)
Fuel Delivery:
Gravity feed or mechanical fuel pump (depending on specific FXS configuration)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Oil Change Interval:
Typically every 2,000-3,000 miles or annually, whichever comes first.
Primary Chain Tension Adjustment:
Check and adjust as needed, typically every 5,000 miles or when slack is excessive.
Spark Plug Replacement:
Every 10,000-15,000 miles (refer to manual for specific type).
Belt Drive Inspection:
Check for wear and tension at regular intervals, adjust as needed.
Engine Oil Type:
Harley-Davidson 20W50 motorcycle oil or equivalent (e.g., SYN3, V-Twin specific)
Engine Oil Capacity:
Approx. 3 quarts (2.8 liters) with filter change.
Brake Fluid Type:
DOT 4 (check manual for specific recommendation for the era)
Common Wear Items:
Clutch plates, primary chain, front fork seals, exhaust gaskets, carburetor diaphragms/jets, electrical connections.
Shovlehead Specifics:
Potential for oil leaks (pushrod tubes, base gaskets), valve guide wear, carburetor tuning sensitivity.
Belt Drive Maintenance:
Requires correct tensioning to prevent premature wear or slippage.
Brand Legacy:
Harley-Davidson, established in 1903, renowned for its American cruiser motorcycles and distinctive V-twin engines.
Fxs Lineage:
The FXS Low Rider is part of Harley-Davidson's FX (Factory Experimental) lineup, known for its blend of classic styling and custom features. Introduced in the late 1970s, it evolved through the Shovelhead era and into the early Evolution models.
1984 Significance:
1984 marked a transitional year for Harley-Davidson, with the Shovelhead engine still prevalent but the upcoming introduction of the Evolution (Softail) engine. The FXS models of this year represent the final iterations of the Shovelhead-powered custom cruisers.
Production Period:
Shovelhead engines were produced from 1966 to 1984.
