🏷️ Basic Information

Make:

Suzuki

Model:

GS750

Year:

1976

Engine Code:

GS750 (likely to be documented within the manual)

👋 Introduction

Market Position:

The Suzuki GS750 was a landmark motorcycle in the late 1970s, challenging established Japanese and European manufacturers in the popular 750cc sportbike and standard motorcycle segment. It offered a sophisticated inline-four engine and a capable chassis.

Competitive Analysis:

Competed directly with models like the Kawasaki Z750, Honda CB750, and Yamaha XS750. The GS750 was lauded for its smooth engine, good handling, and reliable performance.

Key Features:

DOHC, air-cooled inline-four engine, sophisticated suspension for its time, comfortable ergonomics, strong braking performance.

📋 Manual Details

Coverage Areas:

Comprehensive service and repair for the 1976 Suzuki GS750 motorcycle

Page Count:

Estimated 300-400 pages (typical for a factory service manual of this era)

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Likely a printed manual, often available as a PDF scan in modern sales

📖 Manual Coverage

Systems Covered:

Engine (top-end, bottom-end, lubrication, cooling), Fuel System (carburetors, fuel lines, tank), Ignition System (CDI, spark plugs), Exhaust System, Drivetrain (clutch, transmission, final drive), Frame, Suspension (front forks, rear shocks), Brakes (front and rear), Wheels and Tires, Electrical System (charging, lighting, wiring diagrams), Bodywork and Trim

Procedures Included:

Scheduled maintenance, routine inspections, disassembly and reassembly of all major components, troubleshooting guides, diagnostic procedures, repair techniques, torque specifications, overhaul procedures, electrical system diagnostics, carburetor tuning and rebuilding

Technical Depth:

Comprehensive, covering everything from basic adjustments and fluid changes to complete engine rebuilds and electrical system troubleshooting. Designed for certified technicians and advanced DIY mechanics.

📊 Manual Specifications

File Format:

PDF (if digital), Printed Paper (if physical)

Print Quality:

High-quality reproduction of original factory manual; clear diagrams and text (for PDF scans)

Binding Type:

Perfect bound or spiral bound (for printed copies); digitally navigable (for PDFs)

Paper Type:

Durable paper stock resistant to shop fluids (for printed copies)

⚙️ Engine Specifications

Primary Engine:

748cc, DOHC, air-cooled, inline-four cylinder

Horsepower:

Approx. 70-75 HP at the crankshaft (factory figures)

Torque:

Approx. 45-50 lb-ft (factory figures)

Fuel System:

Multiple Mikuni VM-series carburetors (typically 26mm or 28mm, configuration varies by market)

Ignition System:

CDI (Capacitor Discharge Ignition) system

Cooling System:

Air-cooled

Bore Stroke:

65.0 mm x 56.4 mm (typical, to be confirmed in manual)

🔧 Transmission

Transmission Type:

5-speed constant mesh, sequential return type

Optional Transmissions:

None offered (standard 5-speed)

Clutch Type:

Wet, multi-plate, cable-actuated

Final Drive:

Chain drive

📐 Dimensions

Overall Length:

Approx. 2220 mm (87.4 in) (typical, to be confirmed in manual)

Overall Width:

Approx. 800 mm (31.5 in) (typical, to be confirmed in manual)

Overall Height:

Approx. 1220 mm (48.0 in) (typical, to be confirmed in manual)

Dry Weight:

Approx. 215 kg (474 lbs) (typical, to be confirmed in manual)

Fuel Tank Capacity:

Approx. 17.5 liters (4.6 US gal) (typical, to be confirmed in manual)

🛡️ Safety Features

Safety Ratings:

N/A (motorcycles of this era were not subject to formal crash testing and ratings as passenger cars are)

Active Features:

Effective front disc brake, capable rear drum brake, balanced chassis for stable handling.

Passive Features:

Robust frame construction, rider-centric ergonomics for control.

💡 Technology Features

Infotainment Features:

N/A (This is a 1976 motorcycle, technology focused on mechanical function and rider control).

Electrical System Type:

12-volt electrical system, alternator for charging, CDI ignition.

Wiring Diagrams:

Detailed wiring diagrams are a critical component of this manual, essential for troubleshooting electrical issues.

🔧 Maintenance

Service Intervals:

Refer to the manual for specific intervals, but typically: Oil changes every 3,000-5,000 miles or annually. Valve clearance checks every 6,000-12,000 miles. Chain lubrication/adjustment as needed. Carburetor synchronization periodically. Brake fluid flush every 2 years.

Engine Oil Type:

API SE, SF, or SG classification, SAE 10W-40 or 20W-50 (check manual for precise recommendation based on temperature). Capacity approx. 3.4 liters with filter change.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid (check manual for specific type)

Transmission Oil Type:

Gear oil (typically GL-4 or GL-5, viscosity to be confirmed in manual)

Coolant Type:

Not applicable (Air-cooled engine)

Common Issues:

Age-related wear on rubber components (hoses, seals), potential for carburetor gumming if not used regularly, electrical connections can corrode, cam chain tensioner wear. Manual will detail diagnostics and repair.

Maintenance Tasks:

Spark plug replacement, air filter cleaning/replacement, chain adjustment, brake pad inspection/replacement, tire pressure checks, general lubrication, electrical system checks.

📚 Vehicle History

Brand Heritage:

Suzuki has a long history of producing reliable and innovative motorcycles, from smaller displacement machines to powerful sportbikes and cruisers. The GS series marked a significant step into the larger displacement market.

Model Evolution:

The GS750 was part of Suzuki's pioneering 'GS' series, which introduced their advanced DOHC inline-four engines to the world. It was followed by further iterations and improvements, including the GS1000 and the fuel-injected GSX models.

Production Years:

1977-1980 (with variations and updates, the 1976 manual likely covers the initial release models).

Manufacturing Location:

Japan

🏆 Awards & Recognition

Industry Recognition:

The GS750 was critically acclaimed upon its release for its engineering and performance, solidifying Suzuki's reputation in the large-displacement motorcycle market. It was a highly influential model.