Yamaha XV750 XV750SE Special 1981 1982 1983 Service Manual

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This workshop service manual provides comprehensive guidance for the XV750SE Special, also known as the Virago 750, produced between 1981 and 1983. This model, part of the first generation of...

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Tipo: Motorcycle

Proveedor:

SKU: 66405

Etiquetas: 1981 1982 1983 Marine Motorcycle Outboard Engines V6 Special XV750 XV750SE Special Yamaha

Variantes de producto

Descripción

This workshop service manual provides comprehensive guidance for the XV750SE Special, also known as the Virago 750, produced between 1981 and 1983. This model, part of the first generation of XV series, exemplifies early 1980s Japanese V-twin cruiser design, blending American-inspired styling with renowned Japanese engineering reliability. Featuring an air-cooled V-twin engine and shaft drive, the XV750SE Special was a significant contender in its market segment, competing with models like the Honda Shadow 750 and Kawasaki Vulcan 750. Its robust construction and distinctive aesthetic contributed to the Virago line's enduring popularity. This 358-page English-language manual is intended for mechanics and experienced technicians, offering in-depth coverage of all major systems. It details maintenance procedures, troubleshooting diagnostics, and step-by-step repair instructions for the engine, transmission, chassis, brakes, and electrical systems. Specific sections cover carburetor tuning, suspension servicing, and bodywork, along with critical torque specifications and adjustment procedures. By providing detailed technical information and rebuild procedures, this manual serves as an essential resource for maintaining and restoring the XV750SE Special to optimal operational condition.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

XV750SE Special

Model Nickname:

Virago 750

Model Variant:

XV750SE

Generation

Generation Designation:

First Generation (XV Series)

Codes

Chassis Code:

👋 Introduction

Market Position

Market Segment:

Cruiser Motorcycle

Early 1980s Japanese V-twin cruiser

Competitive Analysis

Competitors:

Honda Shadow 750, Kawasaki Vulcan 750, Suzuki Intruder 700/750

Key Features

Engine Configuration:

V-twin, air-cooled

Drivetrain:

Shaft drive

Design Philosophy:

American-inspired cruiser styling with Japanese engineering reliability.

📋 Manual Details

Coverage Areas

Applicable Years:

1981, 1982, 1983

Page Count

Total Pages:

Manual Type

Type:

Workshop Service Manual

Purpose:

Primary use by mechanics and experienced technicians for repair and maintenance.

Language

Language:

English

Format

Digital Format:

PDF (Downloadable)

📖 Manual Coverage

Systems Covered

Engine:

Complete overhaul, troubleshooting, ignition system, carburetor tuning, cooling system.

Transmission:

Gearbox inspection, clutch service, shift mechanism, lubrication.

Chassis:

Frame inspection, suspension (front fork, rear shock absorber), steering system, wheels, bearings.

Brakes:

Front and rear brake system servicing, hydraulic components, pad/shoe replacement.

Electrical:

Wiring diagrams, lighting system, ignition, charging system (alternator, regulator/rectifier), starter motor, battery.

Fuel System:

Fuel tank, fuel lines, fuel pump, carburetor servicing (Mikuni BDST34).

Exhaust System:

Exhaust pipes and mufflers.

Bodywork:

Body panels, fenders, seat, fuel tank removal and installation.

Procedures Included

Maintenance:

Regular servicing, oil changes, filter replacements, spark plug checks, lubrication points.

Troubleshooting:

Diagnostic procedures for common and uncommon issues across all systems.

Repair:

Detailed step-by-step repair instructions for major and minor components.

Disassembly Reassembly:

Comprehensive guide for component removal and reinstallation.

Torque Specifications:

Precise torque values for all critical fasteners.

Adjustments:

Carburetor synchronization, valve clearance adjustment, brake lever adjustment.

Technical Depth

Depth Level:

Comprehensive and in-depth, suitable for professional mechanical work.

Diagnostic Coverage:

Advanced diagnostics, electrical circuit tracing, component testing.

Rebuild Procedures:

Detailed procedures for engine and transmission rebuilds.

📊 Manual Specifications

File Format

Format:

Print Quality

Readability:

High resolution scans ensuring clear text and diagrams.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Searchability

Text Search:

Likely text-searchable PDF (depending on original scan quality).

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, four-stroke, SOHC, V-twin

Displacement:

748 cc (45.6 cu. in.)

Bore X Stroke:

83.0 mm x 69.2 mm (3.27 in x 2.72 in)

Compression Ratio:

8.4:1

Valve Actuation:

SOHC, 2 valves per cylinder

Firing Order:

270-degree crankpin spacing (typical for this era V-twin)

Performance

Horsepower:

Approx. 60 HP @ 6500 RPM (estimated, actual may vary)

Torque:

Approx. 58 lb-ft @ 4500 RPM (estimated, actual may vary)

Fuel System

Carburetor Type:

Dual Mikuni BDST34

Fuel Capacity:

14 L (3.7 US gal)

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Lubrication

Oil Capacity:

3.0 L (3.2 US qt) with filter change

Oil Type:

API SE, SF, SG, or SH, SAE 10W-40 or 20W-40 motorcycle oil recommended by Yamaha.

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh

Clutch Type:

Wet, multiple-disc

Final Drive:

Shaft Drive

Features

Gear Ratios:

Specific gear ratios will be detailed in the manual for optimal performance tuning.

Transmission Oil:

Refer to manual for specific type and capacity, typically SAE 80 or 90 hypoid gear oil.

📐 Dimensions

Exterior

Length:

Approx. 2235 mm (88.0 in)

Width:

Approx. 840 mm (33.1 in)

Height:

Approx. 1180 mm (46.5 in)

Weights

Dry Weight:

Approx. 204 kg (450 lbs)

Wet Weight:

Approx. 223 kg (492 lbs) (with all fluids)

Wheelbase

Wheelbase:

Approx. 1540 mm (60.6 in)

Ground Clearance

Ground Clearance:

Approx. 135 mm (5.3 in)

🛡️ Safety Features

Ratings

Safety Features:

N/A (Motorcycle safety ratings vary; focus is on mechanical integrity and rider control).

Active Features

Braking System:

Dual Front Disc Brakes, Rear Drum Brake (or Disc depending on specific sub-model/region).

Suspension:

Telescopic front fork, Monocross rear suspension (single shock).

Passive Features

Lighting:

Halogen headlight, taillight, turn signals.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Classic motorcycle, no electronic infotainment).

Driver Assistance

Rider Assistance:

N/A (No electronic rider assistance systems).

Connectivity

Connectivity Features:

N/A (No electronic connectivity features).

Instrumentation

Dashboard:

Analog speedometer, tachometer, indicator lights (turn signals, neutral, oil pressure, high beam).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Recommended every 4,000 km (2,500 miles) or annually, whichever comes first.

Filter Replacement Interval:

Replace oil filter with every oil change.

Valve Clearance Interval:

Check and adjust every 8,000 km (5,000 miles).

Spark Plug Interval:

Inspect every 4,000 km (2,500 miles), replace as needed.

Fluid Specifications

Engine Oil Grade:

SAE 10W-40 or 20W-40 motorcycle oil (API SE/SF/SG/SH)

Brake Fluid Type:

DOT 3 or DOT 4 (refer to manual for exact specification).

Coolant Type:

N/A (Air-cooled engine)

Known Issues

Common Wear Items:

Carburetor diaphragms, aging electrical connectors, brake system components, suspension seals.

Performance Degradation:

Potential for carburetors to become gummed up if not run regularly; ignition system components can degrade over time.

Specific Procedures

Carb Sync:

Crucial for smooth running, requires proper tools and vacuum gauges as detailed in the manual.

📚 Vehicle History

Brand Heritage

Brand History:

Yamaha's rich history in motorcycle manufacturing, known for innovation and performance since the 1950s.

Model Evolution

Virago Lineage:

Part of the iconic Yamaha Virago line, known for its V-twin engines and cruiser styling. The XV750 was a significant model in establishing the Virago's popularity.

Production

Production Period:

1981-1983 for the XV750SE Special; Virago line continued with various displacements and updates.

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Model Acclaim:

The Yamaha Virago line was critically acclaimed for its styling and performance, contributing to the rise of Japanese cruisers in the global market.

Ratings

Reliability Perception:

Generally considered reliable with proper maintenance, characteristic of Yamaha engineering.

Certifications

Manual Certification:

Official Yamaha factory service manual documentation standards.