Market Segment:
High-performance sport-touring motorcycle.
Competitors:
Yamaha FJ1100, Kawasaki GPz1100, Honda CB1100F.
Features:
Powerful DOHC inline-four engine, shaft drive (on some models), comfortable ergonomics for long-distance riding, excellent performance for its era.
Target Audience:
Mechanics, motorcycle technicians, and DIY enthusiasts seeking to maintain, repair, or restore their 1984 Suzuki GS1150.
Engine:
Engine disassembly, assembly, tuning, troubleshooting, lubrication system, cooling system (air-cooled), ignition system, fuel system (carburetors), exhaust system.
Transmission:
Clutch system, gearbox operation, disassembly, assembly, lubrication, troubleshooting.
Frame And Suspension:
Frame inspection, front fork (telescopic), rear shock absorbers, swingarm, wheel bearing maintenance, steering head bearing adjustment.
Brakes:
Front disc brake system (calipers, master cylinder, lines), rear drum brake system, brake fluid specifications, bleeding procedures.
Electrical System:
Wiring diagrams, lighting system (headlight, taillight, indicators), charging system (alternator, rectifier/regulator), battery maintenance, starting system (starter motor, solenoid), ignition coil testing, fuse identification.
Fuel And Exhaust:
Carburetor identification, adjustment, cleaning, synchronization, jetting information, fuel tank maintenance, fuel line inspection, exhaust system component identification and torque specifications.
Bodywork And Trim:
Body panel removal and installation, seat, fuel tank mounting, fairing (if applicable), decals, and minor trim components.
Maintenance:
Oil change procedures, filter replacement, spark plug replacement, air filter cleaning/replacement, chain adjustment and lubrication, brake system checks and adjustments, tire pressure checks, battery inspection.
Disassembly Assembly:
Complete engine teardown and reassembly, transmission gear set replacement, suspension component replacement, brake caliper and master cylinder rebuild, carburetor overhaul.
Troubleshooting:
Diagnostic charts for common starting, running, and electrical issues; symptom-based problem identification.
Adjustments:
Carburetor synchronization, valve clearance adjustment, ignition timing check and adjustment, steering head bearing pre-load, brake lever and pedal free play.
Depth:
Comprehensive, covering everything from basic fluid changes to complete engine and transmission rebuilds, including detailed torque specifications and diagnostic procedures.
Digital Format:
PDF (likely, if digitally sourced; otherwise, printed).
Print Quality:
High-resolution scans or original print quality (assumed for factory manuals).
Binding Type:
Stapled, perfect bound, or spiral bound (typical for service manuals).
Paper Type:
Durable paper stock, often glossy for diagrams and photos.
Engine Type:
Air-cooled, four-stroke, DOHC, inline-four cylinder.
Bore X Stroke:
74.0 mm x 64.2 mm
Valve Train:
DOHC, 2 valves per cylinder
Horsepower:
Approx. 110-120 hp @ 8500 rpm (depending on market tuning)
Torque:
Approx. 72-78 lb-ft @ 7000 rpm (depending on market tuning)
Carburetion:
Four Mikuni VM29 or VM32 smoothbore carburetors (depending on specific model variant)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Ignition Type:
Electronic ignition (CDI)
Oil Capacity:
Approx. 3.5 liters (3.7 US quarts) with filter change
Oil Type:
SAE 10W-40, API SG or JASO MA certified motorcycle oil
Type:
5-speed constant mesh manual transmission
Final Drive:
Shaft drive (common for GS1150 models, but some chain drive variants may exist for specific markets or earlier iterations).
Clutch Type:
Wet, multi-plate
Transmission Oil Capacity:
Approx. 1.0 liter (1.1 US quarts) for gearbox and final drive (if shaft drive)
Transmission Oil Type:
SAE 80W-90 GL-4 gear oil for final drive; SAE 10W-40 for gearbox (check manual for exact specification)
Infotainment Systems:
N/A (Motorcycle of this era focused on mechanical and performance technology, not infotainment.)
Driver Assistance Features:
N/A (None present on this model).
Connectivity Features:
N/A (None present on this model).
Engine Control:
Carburetor-based fuel delivery, electronic ignition (CDI).
Suspension Tech:
Telescopic front forks, adjustable rear shock absorbers (pre-load and rebound damping on some variants).
Oil Change Interval:
Every 3,000 miles or 6 months, whichever comes first.
Valve Adjustment Interval:
Every 6,000 miles or 12 months.
Spark Plug Replacement:
Every 12,000 miles or 24 months.
Air Filter Cleaning:
Every 3,000 miles or 6 months.
Chain Lubrication Adjustment:
Every 500 miles or as needed.
Engine Oil Spec:
SAE 10W-40, API SG or JASO MA
Brake Fluid Spec:
DOT 3 or DOT 4 (consult manual for exact specification)
Coolant Type:
N/A (Air-cooled)
Common Wear Items:
Cam chain tensioner wear, carburetor jetting issues, clutch wear, aging electrical components (especially wiring insulation), fork seal leaks.
Typical Maintenance Tasks:
Carburetor cleaning and synchronization, valve adjustment, replacement of aging fuel and vacuum lines, checking electrical connections for corrosion.
