The 1988 Yamaha Virago 750 is a classic cruiser motorcycle featuring a 749cc V-twin engine, shaft drive system, air-cooled cooling, and distinctive cruiser styling. This manual covers essential information for maintenance, operation, troubleshooting, and specifications to ensure proper care and optimal performance of your motorcycle.
Key components: V-twin engine configuration, shaft final drive, cruiser styling, comprehensive instrumentation.
| Feature | Description |
|---|---|
| Engine Type | 749cc air-cooled 4-stroke V-twin |
| Bore x Stroke | 83.0 x 69.2mm |
| Compression Ratio | 9.0:1 |
| Fuel System | Mikuni BS34SS carburetors |
| Ignition System | Transistorized coil ignition |
| Transmission | 5-speed constant mesh |
| Final Drive | Shaft drive |
| Frame Type | Double cradle steel frame |
| Suspension Front | Telescopic fork |
| Suspension Rear | Dual shocks adjustable preload |
Always perform pre-ride inspection for safety and reliability.
WARNING! Never operate motorcycle without proper pre-ride inspection. Failure to inspect may result in accident or injury.
Starting procedure and basic riding instructions.
CAUTION! Always wear proper protective gear including helmet, gloves, and protective clothing.
Understanding motorcycle controls and instrument panel functions.
Right Handlebar: Front brake lever, starter button, engine kill switch, throttle grip.
Left Handlebar: Clutch lever, turn signal switch, headlight dimmer switch, horn button.
Instrument Panel: Speedometer, tachometer, odometer, trip meter, neutral indicator, high beam indicator, turn signal indicators, oil pressure warning light.
Foot Controls: Gear shift lever (left), rear brake pedal (right).
Regular maintenance intervals for optimal performance and longevity.
Tip: Keep detailed maintenance records for reference and resale value.
Basic engine maintenance procedures.
WARNING! Engine components become extremely hot during operation. Allow sufficient cooling time before performing maintenance.
Electrical components and maintenance.
Battery: 12V 14Ah, maintain proper fluid levels, keep terminals clean.
Charging System: Three-phase AC generator with solid-state voltage regulator.
Lighting: 60/55W headlight, LED tail light, incandescent turn signals.
Proper storage procedures for seasonal or long-term storage.
Add fuel stabilizer, run engine to circulate treated fuel, disconnect battery, inflate tires to maximum pressure, store in dry location covered with breathable cover.
CAUTION! Do not store with fuel in carburetors without stabilizer. Ethanol fuel can damage components during storage.
Always wear DOT-approved helmet, eye protection, gloves, long pants, sturdy boots, and reflective clothing. Never operate under influence of alcohol or drugs. Obey all traffic laws. Complete motorcycle safety course recommended.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Fuel, spark, or compression issue | Check fuel level, spark plugs, battery charge, kill switch position. |
| Poor idle | Carburetor issues | Clean carburetors, check for vacuum leaks, adjust idle mixture. |
| Electrical failure | Battery or charging system | Test battery voltage, check connections, test stator output. |
| Brake problems | Fluid or pad issues | Check brake fluid level, inspect pads for wear, bleed system if spongy. |
| Transmission issues | Clutch or gear problems | Adjust clutch cable, check transmission oil level. |
Service: Contact authorized Yamaha dealer for complex repairs.
Parts: Use genuine Yamaha parts for optimal performance and reliability.