Positioning:
Flagship touring motorcycles, designed for long-distance comfort and performance
Competitors:
Other large-displacement V-twin touring motorcycles from American and European manufacturers
Road King Features:
Classic styling, removable windscreen, saddlebags, large displacement V-twin engine, comfortable seating
Road Glide Features:
Frame-mounted fairing with dual headlights, integrated audio system (optional), saddlebags, aerodynamic comfort
Value Proposition:
Essential resource for owners and independent mechanics to maintain and repair these iconic Harley-Davidson touring models, saving on dealership service costs.
Engine:
Twin Cam 88, Twin Cam 88B (carbureted), including disassembly, assembly, diagnosis, and tuning
Fuel System:
Carburetor systems (Keihin CV40), fuel delivery, fuel tank, fuel lines, troubleshooting
Ignition System:
Ignition modules, spark plugs, wiring, timing, troubleshooting
Transmission:
5-speed Cruise Drive transmission, clutch, gearbox, primary drive, troubleshooting, repair
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starting system, lighting, instruments, switches, fuse blocks, accessory wiring
Chassis And Suspension:
Frame, front forks (telescopic), rear suspension (shocks, swingarm), steering head bearings, wheel bearings, alignment
Braking System:
Front and rear hydraulic disc brakes, master cylinders, calipers, brake lines, pads, rotor specifications, bleeding procedures
Cooling System:
Air-cooled engine cooling, oil cooler (if equipped), oil flow
Bodywork And Trim:
Fairings (Road Glide), windshields, fuel tanks, fenders, seat mounting, saddlebags, basic body panel removal and installation
Exhaust System:
Exhaust pipes, mufflers, mounting hardware, gasket replacement
Maintenance:
Regular scheduled maintenance, oil changes, filter replacement, chain adjustment (if applicable to specific sub-models), cable lubrication, tire pressure checks
Troubleshooting:
Diagnostic flowcharts, common problem identification, electrical gremlins, engine performance issues
Repair:
Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly
Diagnostics:
Detailed diagnostic procedures for various systems, fault code interpretation (where applicable, though these are pre-OBD II)
Specifications:
Torque values, clearances, fluid capacities, electrical resistance values, measurements
Depth:
Comprehensive, covering routine maintenance to major overhauls and component rebuilding
Engine Type:
Harley-Davidson Twin Cam 88
Engine Configuration:
45-degree V-twin, air-cooled
Displacement:
1449 cc (88 cubic inches)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Compression Ratio:
8.8:1 (approx.)
Horsepower:
Approx. 70-75 HP (at crankshaft, depending on model/tuning)
Torque:
Approx. 85-90 lb-ft (at crankshaft, depending on model/tuning)
Fuel Delivery:
Carburetor (Keihin CV40)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Oil Type:
Harley-Davidson SYN3 Synthetic Motorcycle Oil or equivalent (SAE 20W-50)
Oil Capacity:
Approx. 4 US quarts (3.8 liters) with filter change
Wheelbase:
Approx. 63.5 inches (1613 mm)
Overall Length:
Approx. 93.3 inches (2370 mm)
Seat Height:
Approx. 28.2 inches (716 mm)
Dry Weight:
Approx. 700-750 lbs (317-340 kg)
Gross Vehicle Weight Rating:
Approx. 1160 lbs (526 kg)
Saddlebag Capacity:
Approx. 2.2 cu ft total
Front Tire Size:
130/90-16
Rear Tire Size:
130/90-16
Wheel Type:
Cast aluminum or laced spoked wheels
Wheel Bolt Pattern:
N/A (Hub-mounted, not lug nuts)
Crash Safety:
Motorcycles are not subjected to standardized crash testing like automobiles. Safety relies on rider skill and adherence to maintenance.
Braking System:
Dual-disc front, single-disc rear hydraulic brakes provide effective stopping power.
Lighting:
Halogen headlights, tail lights, and turn signals for visibility.
Frame Construction:
Robust steel frame for stability and rider protection.
Fuel Tank Placement:
Frame-mounted fuel tank contributes to overall chassis integrity.
First Service:
1000 miles (1600 km) or 6 months
Subsequent Services:
Every 5000 miles (8000 km) or 12 months, whichever comes first (typically includes oil change, filter, and inspections)
Spark Plug Replacement:
Every 10,000 miles (16,000 km)
Belt Drive Tension:
Check and adjust as needed, typically at 5000-mile intervals
Engine Oil:
Harley-Davidson SYN3 20W-50 or equivalent
Transmission Primary Fluid:
Harley-Davidson Formula+ or equivalent SAE 50
Brake Fluid:
DOT 4 Hydraulic Fluid
Fork Oil:
Refer to manual for specific weight and type (e.g., Harley-Davidson Type E or equivalent)
Oil Leaks:
Potential for leaks from primary cover, rocker boxes, or crankcase seals; regular inspection is key.
Cam Chain Tensioners:
Early Twin Cam models (pre-2007) had issues with cam chain tensioner pads wearing out. Manual will detail inspection and replacement.
Carburetor Tuning:
Keihin CV40 requires periodic adjustment and cleaning for optimal performance.
Electrical Connector Issues:
Corrosion or loose connections in lighting and accessory wiring can occur over time.
Heritage:
Harley-Davidson has a long-standing legacy in producing iconic American motorcycles, particularly in the touring segment.
Introduction Of Twin Cam:
The Twin Cam 88 engine, introduced in 1999, represented a significant evolution for Harley-Davidson's V-twin technology, offering increased displacement and improved performance.
Road King Positioning:
The Road King established itself as a versatile touring machine, combining classic styling with modern amenities.
Road Glide Positioning:
The Road Glide offered a more integrated, aerodynamic touring experience with its distinctive frame-mounted fairing.
Manufacturing Location:
United States (primarily York, Pennsylvania and Milwaukee, Wisconsin)
Production Period:
1999-2005 for the specific models and engine generation covered by this manual.