Segment:
Standard Motorcycle / Cruiser Styling
Target Audience:
Owners and technicians of 1979-1980 Suzuki GS1000L motorcycles
Era Competitors:
Honda CB750, Kawasaki KZ1000, Yamaha XS1100
Vehicle Appeal:
Powerful inline-four engine, comfortable riding position, classic styling
Manual Benefit:
Enables owners to perform professional-level maintenance and repairs, saving time and money compared to dealership service.
Engine Mechanical:
Complete overhaul, valve timing, piston/ring replacement, crankshaft inspection, cylinder head service
Fuel System:
Carburetor tuning (Mikuni VM), fuel pump, fuel lines, fuel tank service
Ignition System:
CDI ignition, spark plug specifications, ignition timing, coil testing
Transmission:
Clutch operation and adjustment, gearbox disassembly and reassembly, gear inspection
Electrical System:
Wiring diagrams, lighting system, charging system (alternator, rectifier/regulator), starter motor, battery service
Brakes:
Front and rear brake system maintenance, hydraulic lines, caliper service, master cylinder inspection, brake pad replacement
Suspension And Steering:
Front fork service (oil changes, seal replacement), rear shock absorber adjustment and replacement, steering head bearing service
Cooling System:
Air-cooled engine, cooling fins cleaning and inspection
Exhaust System:
Exhaust pipe inspection, muffler maintenance
Frame And Bodywork:
Chassis inspection, seat removal, fender maintenance, cosmetic component service
Routine Maintenance:
Oil changes, filter replacement, chain adjustment, lubrication points, tire pressure checks
Troubleshooting:
Diagnostic charts for common performance issues, electrical faults, starting problems
Disassembly And Reassembly:
Step-by-step guides for component removal and installation
Adjustments:
Carburetor synchronization, valve clearance adjustment, brake lever play, clutch cable free play
Wiring Diagrams:
Comprehensive electrical schematics for all systems
Torque Specifications:
Precise tightening torques for all critical fasteners
Depth:
Comprehensive (from basic maintenance to full engine rebuilds)
Displacement:
997 cc (60.8 cu in)
Bore X Stroke:
74.0 mm x 58.0 mm (2.91 in x 2.28 in)
Valve Train:
DOHC, 2 valves per cylinder
Cooling System:
Air-cooled
Horsepower Claimed:
82 hp @ 8,000 rpm
Torque Claimed:
77 Nm (57 lb-ft) @ 7,000 rpm
Carburetors:
4 x Mikuni VM26SS
Fuel Capacity:
17.0 L (4.5 US gal)
Oil Capacity With Filter:
3.4 L (3.6 US qt)
Safety Systems:
N/A (Motorcycle specific, primarily mechanical and rider dependent)
Braking System:
Dual front disc brakes, single rear disc brake
Lighting:
Halogen headlight, taillight, turn signals
Oil Change Interval:
Every 4,000 km (2,500 miles) or 6 months
Valve Adjustment Interval:
Every 8,000 km (5,000 miles)
Spark Plug Replacement:
Every 12,000 km (7,500 miles)
Engine Oil Type:
SAE 20W-40 API SE (or equivalent)
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic fluid
Fork Oil Type:
SAE 10W (refer to manual for exact specification and quantity)
Common Wear Items:
Clutch plates, brake pads, fork seals, carburetor diaphragms (if applicable to specific models/years), electrical connectors due to age.
Starting Problems:
Can be related to battery condition, ignition components (coils, plugs), or fuel delivery (carburetor gumming).
Carburetor Issues:
Ethanol degradation of rubber parts, clogging due to fuel varnish, synchronization drift.
Founding:
Suzuki Motor Corporation founded in 1909
Motorcycle Division Start:
Began motorcycle production in 1952
Gs Series Introduction:
Suzuki's GS series of inline-fours introduced in the late 1970s, a significant step into the large-displacement motorcycle market.
Gs1000 Variants:
The GS1000L (Long, representing a slightly longer wheelbase and cruiser-like styling) was a variant of the original GS1000, alongside the GS1000E and GS1000S (Cosmo Sport).
Production Years:
1978-1980 (GS1000 series)
Manufacturing Location:
Japan