Target Audience:
Harley-Davidson owners, mechanics, enthusiasts seeking in-depth maintenance and repair knowledge.
Positioning:
The XL 1200C Custom represents Harley-Davidson's popular cruiser line, known for its classic styling and V-twin performance. This manual is essential for maintaining its iconic character.
Manual Value:
Provides factory-level service information, enabling owners to perform complex repairs and maintenance, saving on dealership costs.
Model Significance:
The 1998 XL 1200C Custom was a significant model, offering a balance of classic Sportster charm with custom features like spoke wheels and a teardrop tank.
Engine:
Comprehensive engine overhaul, diagnostics, timing, lubrication, cooling (air-cooled specific).
Fuel System:
Carburetor (Keihin CV) disassembly, cleaning, adjustment, fuel pump, fuel lines, fuel tank maintenance.
Ignition System:
Ignition module, coils, spark plugs, wiring, timing adjustments.
Transmission:
5-speed gearbox (4-speed on some earlier Sportsters, but 1998 XL1200C is 5-speed), clutch, primary drive, chain, final drive.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator), starter motor, lighting, switches, gauges.
Brakes:
Front and rear brake systems, hydraulic lines, master cylinders, calipers, brake pads, rotors, bleeding procedures.
Suspension:
Front fork (including damper rod and cartridge types), rear shock absorbers, adjustment and overhaul.
Wheels And Tires:
Wheel bearing inspection and replacement, tire mounting and balancing, spoke adjustment (if applicable).
Frame And Bodywork:
Frame inspection, body panel removal and installation, fenders, fuel tank, seat assembly.
Controls:
Handlebar controls, throttle, clutch lever, brake lever operation and adjustment.
Exhaust System:
Exhaust pipe removal, installation, muffler servicing.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, lubrication points, belt tension checks.
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly.
Rebuilds:
Detailed procedures for engine and transmission rebuilds.
Adjustments:
Carburetor, clutch, brake, ignition timing adjustments.
Diagnostics:
Electrical system diagnostics, engine performance troubleshooting.
Depth:
Comprehensive from basic owner maintenance to full engine and transmission rebuilds.
Detail Level:
Includes torque specifications, clearances, tolerances, and critical measurements.
Engine Type:
Evolution (Evo) V-twin, air-cooled
Displacement:
73.4 cubic inches (1202 cc)
Bore X Stroke:
3.50 in x 3.81 in (88.9 mm x 96.8 mm)
Cylinder Heads:
Aluminum alloy with cast iron cylinders
Valve Train:
Overhead valves (OHV), two valves per cylinder
Horsepower:
Approximately 60-65 HP (estimated, subject to tune and exhaust)
Torque:
Approximately 67-70 ft-lbs (estimated)
Carburetor:
Keihin CV (Constant Velocity) 40mm
Fuel Capacity:
3.5 US gallons (13.2 L)
Fuel Type:
Unleaded gasoline, 87-91 octane recommended
Oil Capacity:
2.7 US quarts (2.55 L) (with filter change)
Oil Type:
Harley-Davidson SAE 20W-50 (or equivalent motorcycle-specific oil)
Oil Filter Part Number:
63805-80A (may vary, check specific application)
Initial Service:
First service typically at 1,000 miles (1,600 km)
Subsequent Service:
Every 5,000 miles (8,000 km) or annually, whichever comes first, for oil changes and inspections.
Belt Tension Check:
Check every 5,000 miles (8,000 km)
Spark Plug Replacement:
Approximately every 10,000 miles (16,000 km)
Engine Oil Viscosity:
SAE 20W-50
Transmission Oil Type:
75W-90 GL-4 gear oil or HD Formula +
Primary Chain Case Oil:
Harley-Davidson Primary Chaincase Lubricant or equivalent
Brake Fluid:
DOT 4 (or DOT 5 if specified for specific components, but DOT 4 is common for this era)
Carburetor:
CV carburetor can sometimes require idle speed and mixture adjustments; potential for plugged jets with age and fuel contamination.
Charging System:
Voltage regulator or stator failure can occur over time, affecting battery charging.
Clutch:
Clutch cable adjustment or clutch plate wear can affect engagement.
Suspension:
Front fork seals can leak; rear shocks may lose damping over high mileage.
Manufacturer:
Harley-Davidson Motor Company, founded in 1903, Milwaukee, Wisconsin, USA.
Sportster Lineage:
The XL series, including the 1200C, traces its roots back to the original Sportster models of the 1950s, evolving with technological advancements while retaining classic styling cues.
Xl 1200C Introduction:
The 'C' designation signifies the Custom model, which often featured upgraded styling, wheels, and comfort features compared to base XL models.
Manufacturing Location:
USA