Motorcycle Segment:
Cruiser motorcycle, known for its V-twin engine and comfortable riding position.
Target Audience:
Riders seeking a reliable, stylish cruiser with a classic aesthetic and American-inspired styling, often appealing to touring and cruising enthusiasts.
Key Competitors Era:
Honda Shadow, Suzuki Intruder, Kawasaki Vulcan, Harley-Davidson Sportster models of the same period.
Engine Configuration:
Air-cooled, 4-stroke, V-twin
Design Philosophy:
Emphasized comfortable ergonomics, distinctive styling, and reliable Japanese engineering.
Applicable Model Years:
1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
Specific Models Covered:
XV750 Virago
Estimated Page Count:
300-500 (Estimate based on typical factory service manuals for this era and scope)
Manual Type:
Factory Service Manual / Repair Manual
Engine Systems:
Engine overhaul, disassembly, assembly, valve adjustment, carburetor tuning and overhaul, ignition system diagnostics and repair, cooling system, lubrication system, engine specifications.
Transmission And Drivetrain:
Clutch operation and adjustment, gearbox disassembly and assembly, final drive (shaft drive) inspection and maintenance, transmission fluid specifications.
Chassis And Suspension:
Front fork service and overhaul (including fluid replacement and seal replacement), rear shock absorber inspection and replacement, swingarm and bearing maintenance, steering head bearing adjustment and replacement.
Braking System:
Front and rear brake system diagnostics, caliper overhaul, brake pad replacement, brake fluid bleeding and replacement, master cylinder service.
Electrical System:
Wiring diagrams, battery maintenance and testing, charging system (stator, regulator/rectifier), lighting system, starter system, ignition system troubleshooting, instrument cluster diagnostics, fault finding procedures.
Fuel System:
Fuel tank removal and cleaning, fuel petcock service, fuel filter replacement, carburetor synchronized operation, float bowl adjustment.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement.
Bodywork And Trim:
Body panel removal and installation, seat removal, fairing components (if applicable).
Maintenance Procedures:
Routine maintenance checks, oil changes, filter replacements, lubrication points, spark plug replacement, chain adjustment (if applicable, though XV750 is shaft drive), tire pressure checks.
Troubleshooting:
Diagnostic trees for common starting issues, running problems, electrical faults, and braking system anomalies.
Repair Procedures:
Step-by-step guides for component disassembly, repair, and reassembly for all major motorcycle systems.
Adjustment Procedures:
Carburetor synchronization, idle speed adjustment, throttle cable free play, clutch lever free play, brake lever free play.
Torque Specifications:
Crucial torque values for engine components, chassis fasteners, brake caliper mounting bolts, etc.
Depth Of Coverage:
Comprehensive, covering basic maintenance to complete engine and component overhauls.
Diagnostic Capabilities:
Detailed troubleshooting sections and symptom-based diagnostics.
Special Tool Requirements:
Identification and usage of specialized tools required for specific repair procedures.
Engine Type:
Air-cooled, 4-stroke, V-twin
Displacement:
748 cc (750cc class)
Bore X Stroke:
83.0 mm x 69.2 mm
Compression Ratio:
8.5:1 (Typical)
Valve Mechanism:
SOHC, 2 valves per cylinder
Horsepower:
Approx. 45-50 HP (Varies slightly by year/tuning)
Torque:
Approx. 58-62 Nm (Varies slightly by year/tuning)
Fuel Delivery:
Dual Mikuni carburetors (e.g., Mikuni BS36)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 14 liters (3.7 US gal)
Instrumentation:
Analog speedometer, tachometer, fuel gauge, odometer, trip meter, indicator lights. Usually housed in a classic styled instrument cluster.
ABS:
Anti-lock Braking System (ABS) was not a standard or common option for this model during its production run.
Charging Ports:
No factory-installed USB or 12V charging ports; these would be aftermarket additions.
Oil Change Interval:
Typically every 3,000-5,000 km (1,800-3,000 miles) or 6-12 months, refer to manual for exact intervals.
Valve Clearance Check:
Every 10,000-15,000 km (6,000-9,000 miles), crucial for performance and longevity.
Spark Plug Replacement:
Every 10,000-15,000 km (6,000-9,000 miles), or as needed based on condition.
Brake Fluid Flush:
Every 2 years, or as per manual recommendations.
Engine Oil Type:
Yamaha recommended 4-stroke motorcycle oil, API SG or higher, JASO MA certified, viscosity 10W-40 or 20W-50 depending on climate.
Engine Oil Capacity:
Approx. 2.7 liters (2.9 US qt) with filter change.
Fork Oil Type:
Yamaha fork oil (e.g., SAE 10W) or equivalent.
Brake Fluid Type:
DOT 4 brake fluid.
Carburetor Issues:
Carburetors can be prone to gumming up if the fuel is not drained or stabilized during storage, leading to poor running conditions. Synchronization is critical.
Electrical Connections:
Corrosion on electrical connectors, especially ground points, can lead to intermittent electrical issues.
Starter Clutch:
Some models may experience wear in the starter clutch mechanism, leading to a grinding noise during starting.
Fuel Petcock:
Leaking or failing fuel petcocks can be a common maintenance item.
Yamaha Motorcycles:
Yamaha Motor Company, established in 1955, is renowned for its innovation in motorcycles, musical instruments, and other powered products.
Virago Lineage:
The XV750 Virago was a cornerstone of Yamaha's cruiser line, introduced to compete with American V-twin motorcycles, offering a blend of Japanese reliability with classic cruiser styling.
Updates During Production:
Minor cosmetic updates and potentially some internal engine refinements occurred over its 13-year production run.
Manufacturing Location:
Primarily Japan.
Production Period:
1981-1994