Segment:
Naked Sportbike / Sport Touring
Target Audience:
Suzuki GSF600 Bandit and GSF1200 Bandit owners, mechanics, enthusiasts.
Competitors Gsf600:
Honda CB600F Hornet, Yamaha FZ600, Kawasaki ZR-7.
Competitors Gsf1200:
Yamaha FZS1000 Fazer, Kawasaki GTR1000, Honda CB1000R (later models).
Gsf600 Engine Type:
Air-cooled, DOHC, inline-four cylinder.
Gsf1200 Engine Type:
Oil-cooled, DOHC, inline-four cylinder (derived from GSX-R1100).
Gsf600 Power Output:
Approx. 78 hp (58 kW) at 9,500 rpm (may vary by region).
Gsf1200 Power Output:
Approx. 98 hp (73 kW) at 8,000 rpm (may vary by region).
Gsf600 Torque:
Approx. 60 Nm (44 lb-ft) at 7,500 rpm (may vary by region).
Gsf1200 Torque:
Approx. 95 Nm (70 lb-ft) at 6,000 rpm (may vary by region).
Gsf Series Philosophy:
Versatile performance, accessible power, robust construction, and reasonable pricing.
Engine Mechanical:
Engine overhaul, cylinder head, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system.
Fuel System:
Carburetor systems (Mikuni BS32/BS34), fuel pump, fuel lines, fuel tank maintenance and cleaning.
Ignition System:
Ignition timing, spark plugs, ignition coils, electronic ignition unit (CDI), wiring diagrams.
Transmission:
Gearbox disassembly and assembly, clutch operation, shift mechanism, transmission oil specifications.
Drivetrain:
Chain and sprockets maintenance, rear wheel hub, final drive.
Brakes:
Front and rear brake systems (disc brakes), caliper maintenance, master cylinders, brake fluid specifications, bleeding procedures.
Suspension:
Front telescopic forks (including oil change and seal replacement), rear monoshock absorber, linkage maintenance.
Electrical System:
Battery maintenance, charging system (alternator, regulator/rectifier), starter motor, lighting, instrumentation, wiring harnesses.
Chassis And Frame:
Frame inspection, steering head bearings, swingarm maintenance.
Bodywork And Fairings:
Removal and installation of body panels, seats, fuel tank, handlebars.
Routine Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug checks, chain lubrication and adjustment, brake pad checks.
Troubleshooting:
Diagnostic flowcharts for common running issues, electrical faults, and mechanical problems.
Engine Rebuild:
Step-by-step instructions for complete engine disassembly, inspection, repair, and reassembly.
Carburetor Tuning:
Carburetor synchronization, jetting adjustments, idle speed setting.
Suspension Overhaul:
Front fork seal replacement, rear shock absorber service, linkage bearing maintenance.
Electrical Diagnostics:
Testing of ignition system components, charging system troubleshooting, wiring continuity checks.
Brake System Service:
Brake caliper overhaul, master cylinder replacement, brake line bleeding.
Depth:
Comprehensive, from basic checks to full engine and gearbox rebuilds, including electrical system diagnostics.
Gsf600 Engine Displacement:
599 cc (36.6 cu.in.)
Gsf1200 Engine Displacement:
1157 cc (70.6 cu.in.)
Gsf600 Bore X Stroke:
72.0 mm x 73.4 mm (2.83 in x 2.89 in)
Gsf1200 Bore X Stroke:
79.0 mm x 58.0 mm (3.11 in x 2.28 in)
Gsf600 Compression Ratio:
10.4:1
Gsf1200 Compression Ratio:
9.5:1
Gsf600 Top Speed:
Approx. 200 km/h (125 mph) (varies by conditions).
Gsf1200 Top Speed:
Approx. 230 km/h (143 mph) (varies by conditions).
Gsf600 Carburetors:
4 x Mikuni BS34, Constant Velocity (CV) carburetors.
Gsf1200 Carburetors:
4 x Mikuni BST1200 Bandits, Constant Velocity (CV) carburetors.
Fuel Tank Capacity Gsf600:
19 Liters (5.0 US gal)
Fuel Tank Capacity Gsf1200:
20 Liters (5.3 US gal)
Recommended Fuel:
Unleaded gasoline, 91 octane or higher (RON+MON)/2.
Gsf600 Length:
Approx. 2,140 mm (84.3 in)
Gsf1200 Length:
Approx. 2,170 mm (85.4 in)
Gsf600 Width:
Approx. 745 mm (29.3 in)
Gsf1200 Width:
Approx. 770 mm (30.3 in)
Gsf600 Height:
Approx. 1,065 mm (41.9 in)
Gsf1200 Height:
Approx. 1,065 mm (41.9 in)
Gsf600 Dry Weight:
Approx. 193 kg (425 lbs)
Gsf1200 Dry Weight:
Approx. 214 kg (472 lbs)
Gsf600 Wet Weight:
Approx. 213 kg (470 lbs)
Gsf1200 Wet Weight:
Approx. 235 kg (518 lbs)
Wheelbase Gsf600:
Approx. 1,430 mm (56.3 in)
Wheelbase Gsf1200:
Approx. 1,470 mm (57.9 in)
Crash Test Ratings:
N/A (Motorcycle safety ratings were not standardized or widely published for this era).
Braking System:
Hydraulic disc brakes front and rear.
Brake Disc Size Front Gsf600:
290 mm (11.4 in)
Brake Disc Size Front Gsf1200:
310 mm (12.2 in)
Brake Disc Size Rear:
240 mm (9.4 in)
Lighting:
Halogen headlamp, taillight, and turn signals.
Instrumentation:
Analog speedometer and tachometer, fuel gauge, indicator lights.
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months.
Oil Filter Change Interval:
Every 6,000 km (3,700 miles) or with every oil change.
Air Filter Inspection Interval:
Every 6,000 km (3,700 miles), clean or replace as needed.
Spark Plug Inspection Interval:
Every 12,000 km (7,500 miles).
Valve Clearance Check Interval:
Every 18,000 km (11,000 miles).
Chain Lubrication And Adjustment:
Every 1,000 km (600 miles) and after washing/rain.
Engine Oil Type:
API SG, SAE 10W-40 motorcycle oil (verify viscosity for climate).
Engine Oil Capacity Gsf600:
3.4 Liters (3.6 US qt) with filter change.
Engine Oil Capacity Gsf1200:
3.7 Liters (3.9 US qt) with filter change.
Brake Fluid Type:
DOT 3 or DOT 4.
Coolant Type:
Ethylene glycol based antifreeze, 50% mixture with distilled water (for GSF1200 oil cooling system auxiliary, if applicable, otherwise not used).
Cam Chain Tensioner Wear:
Can develop rattle on startup or at idle; often requires replacement.
Carburetor Synchronization:
May drift over time, leading to rough idling or uneven throttle response.
Stator Failure:
Common on many bikes of this era, leading to charging issues.
Fork Seal Leaks:
Wear and tear can lead to oil leaks from front fork seals.
Rear Shock Degradation:
Original rear shocks may lose damping effectiveness over time.
Suzuki Motorcycle Division:
Suzuki has a long-standing reputation for producing reliable, performance-oriented motorcycles across various segments.
Gsf Bandit Origin:
The Bandit series was conceived to offer a balance of sportbike performance with everyday usability and comfort, often utilizing detuned or adapted engines from existing sportbikes.
Gsf600 Engine Source:
The GSF600 utilized an engine derived from the GSX-R600, but retuned for broader power delivery.
Gsf1200 Engine Source:
The GSF1200 shared its core engine architecture with the legendary GSX-R1100, renowned for its torque and power.
Manufacturing Location:
Primarily Japan
Initial Release Year Gsf600:
1995
Initial Release Year Gsf1200:
1996