1988 Yamaha Virago 1100 Manual

The 1988 Yamaha Virago 1100 is a classic V-twin cruiser motorcycle featuring a 1063cc air-cooled 75-degree V-twin engine, shaft drive, dual exhaust, and distinctive cruiser styling. This manual covers maintenance procedures, specifications, troubleshooting, and operational guidelines for proper care and operation of your motorcycle.

1. Features at a Glance 2. Installation & Assembly 3. First-Time Setup 4. Specifications 5. Controls and Operation 6. Maintenance Procedures 7. Riding Instructions 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 1063cc V-twin engine, 5-speed transmission, shaft final drive, dual disc front brakes, single disc rear brake, electronic ignition, and cruiser-style seating.

Feature	Description
Engine Type	1063cc air-cooled 4-stroke 75° V-twin
Bore x Stroke	95.0 x 75.0 mm
Compression Ratio	8.3:1
Fuel System	Mikuni BS34SS carburetors
Ignition System	Transistorized electronic
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Telescopic fork
Rear Suspension	Dual shocks adjustable preload
Front Brakes	Dual hydraulic disc

Installation & Assembly

Unpack and inspect all components. Ensure proper assembly before operation.

Handlebar installation: Align handlebar with top triple clamp and tighten bolts to specification.
Mirror attachment: Screw mirrors into handlebar ends and adjust for proper visibility.
Battery connection: Connect positive terminal first, then negative terminal.
Fluid checks: Verify engine oil, brake fluid, and coolant levels.

WARNING! Motorcycle is heavy; use proper lifting techniques. Ensure all fasteners are tightened to specified torque values.

First-Time Setup

Complete pre-ride inspection and adjustments before initial operation.

Fuel system: Fill with premium unleaded gasoline (87 octane minimum).
Tire pressure: Check and adjust to recommended pressures (front: 28 psi, rear: 32 psi).
Chain adjustment: Check drive shaft fluid level and condition.
Control operation: Verify throttle, clutch, and brake operation.
Lighting check: Test all lights and indicators.

CAUTION! Always perform pre-ride inspection. Wear appropriate protective gear.

Specifications

Engine: 1063cc air-cooled 4-stroke V-twin
Power Output: 62 hp @ 5,500 rpm
Torque: 65 lb-ft @ 3,500 rpm
Fuel Capacity: 3.7 gallons
Seat Height: 28.3 inches
Wheelbase: 62.2 inches
Dry Weight: 529 lbs
Front Tire: 100/90-19
Rear Tire: 140/90-15
Brakes: Dual front disc, single rear disc

Controls and Operation

Familiarize yourself with all controls before riding.

Right Handlebar: Throttle control, front brake lever, engine kill switch, start button.

Left Handlebar: Clutch lever, turn signal switch, headlight dimmer, horn button.

Instrument Panel: Speedometer, odometer, trip meter, neutral indicator, high beam indicator, turn signal indicators.

Foot Controls: Gear shift lever (left), rear brake pedal (right).

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

Oil change: Every 3,000 miles or 6 months with 10W-40 motorcycle oil
Spark plugs: Replace every 8,000 miles (NGK D8EA)
Air filter: Clean every 3,000 miles, replace every 12,000 miles
Brake pads: Inspect every 5,000 miles, replace when worn to limit
Tire inspection: Check pressure weekly, inspect for wear/damage
Chain maintenance: Check shaft drive fluid level every oil change

Tip: Keep maintenance records for warranty and resale value.

Riding Instructions

Proper riding techniques ensure safety and enjoyment.

Starting procedure: Turn key ON, set choke, pull clutch, press start button.
Shifting: Use clutch smoothly, shift at appropriate RPM ranges.
Braking: Use both brakes together, front brake provides 70% stopping power.
Cornering: Look through turns, maintain steady throttle through curves.
Highway riding: Maintain safe following distance, use mirrors frequently.

WARNING! Always wear helmet and protective gear. Never operate under influence of alcohol or drugs.

Safety Features

Standard safety equipment includes dual front disc brakes, rear disc brake, turn signals, brake light, and horn. Always verify proper operation before riding.

Care & Cleaning

Regular cleaning preserves appearance and prevents corrosion.

Use mild soap and water for general cleaning. Apply motorcycle-specific wax for paint protection. Use chrome polish for exhaust and chrome parts. Lubricate control cables periodically.

CAUTION! Avoid high-pressure washers near seals and bearings. Do not use harsh chemicals on painted surfaces.

Regulatory Information

Complies with DOT and EPA regulations for street use in the United States. Meets noise and emission standards for 1988 model year. Always obey local traffic laws and regulations. Yamaha Motor Corporation U.S.A. Copyright © 1988. For support, contact Yamaha customer service or authorized dealers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, or battery	Check fuel level, spark plugs, battery charge, and kill switch position.
Poor performance	Carburetion or ignition	Clean carburetors, check spark plugs, verify timing.
Electrical issues	Battery or connections	Test battery voltage, check ground connections, inspect wiring.
Brake problems	Fluid or pads	Check brake fluid level, inspect pad wear, bleed system if needed.
Transmission issues	Clutch or gear linkage	Adjust clutch cable, check shift linkage, inspect transmission fluid.

Service: Contact authorized Yamaha dealer for complex repairs. Use genuine Yamaha parts for replacement.