1986 Harley Davidson FXR Manual

The 1986 Harley Davidson FXR is a classic touring motorcycle featuring the Evolution V-twin engine, five-speed transmission, rubber-mounted engine for reduced vibration, dual disc front brakes, and advanced frame design for improved handling. This manual covers maintenance procedures, specifications, troubleshooting, and repair guidelines for the 1986 FXR model. Below are key sections for features, maintenance, specifications, controls, and troubleshooting.

1. Features at a Glance 2. Maintenance Schedule 3. Specifications 4. Controls and Instruments 5. Engine Maintenance 6. Electrical System 7. Brake System 8. Troubleshooting 9. Safety Information

Features at a Glance

Key components: Evolution 1340cc V-twin engine, five-speed transmission, rubber engine mounting, dual front disc brakes, touring frame design.

FeatureDescription
EngineEvolution 1340cc V-twin, air-cooled
Transmission5-speed constant mesh
FrameDual downtube with rubber engine mounts
Front BrakesDual hydraulic disc
Rear BrakeSingle hydraulic disc
Fuel Capacity5 gallons
Seat Height27.5 inches
WeightApprox 650 lbs
IgnitionElectronic breakerless
Primary DriveChain

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

  1. Oil Change: Every 2,500 miles or 3 months
  2. Air Filter: Clean every 5,000 miles, replace as needed
  3. Spark Plugs: Replace every 7,500 miles
  4. Brake Fluid: Check monthly, replace every 2 years
  5. Chain Adjustment: Every 500 miles
  6. Tire Pressure: Check weekly

WARNING! Always use Harley Davidson recommended fluids and parts. Wear protective gear during maintenance.

Specifications

Controls and Instruments

Handlebar controls: Left side - clutch lever, turn signals, horn, headlight dimmer. Right side - front brake lever, throttle, engine kill switch, starter button.

Instrument Cluster: Speedometer, odometer, trip meter, neutral indicator, high beam indicator, turn signal indicators, oil pressure warning light.

Adjustments: Handlebar position, clutch and brake lever reach, mirror positioning. Regular inspection of control cables recommended.

Engine Maintenance

Evolution engine requires regular maintenance for optimal performance.

  1. Oil Change: Drain old oil, replace filter, refill with 3.5 quarts HD360
  2. Valve Adjustment: Check every 10,000 miles
  3. Carburetor: Clean and adjust every 5,000 miles
  4. Spark Plugs: Gap at 0.038-0.043 inches
  5. Air Filter: Clean with compressed air, replace if damaged
  6. Cooling: Ensure proper airflow, clean cooling fins

CAUTION! Engine components become extremely hot during operation.

Electrical System

12-volt system with battery, alternator, regulator/rectifier.

  1. Battery: Check electrolyte level monthly, maintain proper charge
  2. Charging System: Output 19 amps at 2000 RPM
  3. Lights: Headlight 60/55W, tail/brake light 8/27W
  4. Fuses: Main 30A, accessory 10A
  5. Wiring: Inspect regularly for damage or corrosion

Tip: Keep battery terminals clean and tight.

Brake System

Hydraulic disc brakes front and rear.

  1. Front Brakes: Dual piston calipers, 11.5" rotors
  2. Rear Brake: Single piston caliper, 11.5" rotor
  3. Brake Fluid: DOT 4, check level monthly
  4. Pad Wear: Inspect every 5,000 miles
  5. Bleeding: Required when fluid appears dark or contaminated

WARNING! Test brakes after service before riding.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery, fuel, sparkCheck battery charge, fuel level, spark plugs
Poor performanceCarburetor, air filterClean carburetor, replace air filter
Electrical issuesBattery, connectionsTest battery, check all connections
Brake problemsFluid, padsCheck fluid level, inspect brake pads
Transmission noiseOil level, clutchCheck oil level, adjust clutch

Service: Contact authorized Harley Davidson dealer for complex issues.

Safety Information

Always wear DOT-approved helmet, eye protection, and protective clothing. Never operate under influence of alcohol or drugs. Follow all traffic laws. Regular maintenance is essential for safe operation.

CAUTION! Motorcycles offer less protection than cars in a collision. Ride defensively.

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